Core Scientific, Inc. ownership disclosure: a group of affiliated broker‑dealers led by Susquehanna entities reports beneficial ownership of 14,631,891 shares, representing 4.6% of the class. The filing states 315,594,802 Shares outstanding as of March 23, 2026. The reported holdings include option and warrant positions: 12,963,500 options and various warrants and options held across the reporting entities. The filing is a joint Schedule 13G/A by G1 Execution Services, LLC; SIG Brokerage, LP; Susquehanna Investment Group; and Susquehanna Securities, LLC, and includes a joint filing agreement.
Positive
None.
Negative
None.
Insights
Susquehanna-affiliated broker‑dealers report a 4.6% stake via options and warrants.
The filing lists 14,631,891 shares as beneficially owned by the group, equal to 4.6% of the class based on March 23, 2026 outstanding shares. A large portion of the group’s reported position arises from derivative instruments, including 12,963,500 options and other warrants and options disclosed per entity.
The economic footprint depends on exercise/conversion decisions by the reporting entities and on holder coordination; cash‑flow treatment and exercise timing are not disclosed in the excerpt. Subsequent filings would show actual transfers if exercises convert to outstanding shares.
Key Figures
Beneficially owned shares:14,631,891 sharesPercent of class:4.6%Shares outstanding:315,594,802 shares+4 more
7 metrics
Beneficially owned shares14,631,891 sharesAggregate reported by the Susquehanna group
Percent of class4.6%Calculated using outstanding shares as of March 23, 2026
Shares outstanding315,594,802 sharesOutstanding as of <date>March 23, 2026</date> (per proxy statement)
Options (Susquehanna Securities)12,963,500 optionsOptions included in Susquehanna Securities, LLC reported holdings
Warrants (Susquehanna Securities)226,741 warrantsWarrants issuable to Susquehanna Securities, LLC included in reported holdings
Options (SIG Brokerage)170,000 optionsOptions included in SIG Brokerage, LP reported holdings
Warrants (G1 Execution Services)16,608 warrantsWarrants issuable included in G1 Execution Services, LLC reported holdings
Key Terms
Schedule 13G/A, Beneficially owned, Joint Filing Agreement, Sole/Shared Dispositive Power
4 terms
Schedule 13G/Aregulatory
"This statement is filed by the entities listed below, who are collectively referred to herein as "Reporting Persons""
A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.
Beneficially ownedfinancial
"Amount beneficially owned: The information required by this Item 4(a) is set forth in Row 9"
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
Joint Filing Agreementregulatory
"EXHIBIT DESCRIPTION 99 Joint Filing Agreement*"
Sole/Shared Dispositive Powerregulatory
"Sole Dispositive Power 16,641.00 8 | Shared Dispositive Power 14,631,891.00"
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
Core Scientific, Inc.
(Name of Issuer)
Common Stock, $0.00001 par value per share
(Title of Class of Securities)
21874A106
(CUSIP Number)
03/31/2025
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
21874A106
1
Names of Reporting Persons
G1 Execution Services, LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
ILLINOIS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
16,641.00
6
Shared Voting Power
14,631,891.00
7
Sole Dispositive Power
16,641.00
8
Shared Dispositive Power
14,631,891.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
14,631,891.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.6 %
12
Type of Reporting Person (See Instructions)
BD, OO
Comment for Type of Reporting Person: With respect to Row 5 through Row 9 above, G1 Execution Services, LLC, SIG Brokerage, LP, Susquehanna Investment Group and Susquehanna Securities, LLC are affiliated independent broker-dealers, which may be deemed a group. For purposes of this report, we have indicated that each reporting person has sole voting and dispositive power with respect to the shares beneficially owned by it and that the reporting persons have shared voting and dispositive power with respect to all shares beneficially owned by all of the reporting persons. Each of the reporting persons disclaims beneficial ownership of shares owned directly by another reporting person.
SCHEDULE 13G
CUSIP Number(s):
21874A106
1
Names of Reporting Persons
SIG Brokerage, LP
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
247,664.00
6
Shared Voting Power
14,631,891.00
7
Sole Dispositive Power
247,664.00
8
Shared Dispositive Power
14,631,891.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
14,631,891.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.6 %
12
Type of Reporting Person (See Instructions)
BD, PN
Comment for Type of Reporting Person: With respect to Row 5 through Row 9 above, G1 Execution Services, LLC, SIG Brokerage, LP, Susquehanna Investment Group and Susquehanna Securities, LLC are affiliated independent broker-dealers, which may be deemed a group. For purposes of this report, we have indicated that each reporting person has sole voting and dispositive power with respect to the shares beneficially owned by it and that the reporting persons have shared voting and dispositive power with respect to all shares beneficially owned by all of the reporting persons. Each of the reporting persons disclaims beneficial ownership of shares owned directly by another reporting person.
SCHEDULE 13G
CUSIP Number(s):
21874A106
1
Names of Reporting Persons
Susquehanna Investment Group
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
PENNSYLVANIA
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
1,020,800.00
6
Shared Voting Power
14,631,891.00
7
Sole Dispositive Power
1,020,800.00
8
Shared Dispositive Power
14,631,891.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
14,631,891.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.6 %
12
Type of Reporting Person (See Instructions)
BD, PN
Comment for Type of Reporting Person: With respect to Row 5 through Row 9 above, G1 Execution Services, LLC, SIG Brokerage, LP, Susquehanna Investment Group and Susquehanna Securities, LLC are affiliated independent broker-dealers, which may be deemed a group. For purposes of this report, we have indicated that each reporting person has sole voting and dispositive power with respect to the shares beneficially owned by it and that the reporting persons have shared voting and dispositive power with respect to all shares beneficially owned by all of the reporting persons. Each of the reporting persons disclaims beneficial ownership of shares owned directly by another reporting person.
SCHEDULE 13G
CUSIP Number(s):
21874A106
1
Names of Reporting Persons
Susquehanna Securities, LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
13,346,786.00
6
Shared Voting Power
14,631,891.00
7
Sole Dispositive Power
13,346,786.00
8
Shared Dispositive Power
14,631,891.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
14,631,891.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.6 %
12
Type of Reporting Person (See Instructions)
BD, OO
Comment for Type of Reporting Person: With respect to Row 5 through Row 9 above, G1 Execution Services, LLC, SIG Brokerage, LP, Susquehanna Investment Group and Susquehanna Securities, LLC are affiliated independent broker-dealers, which may be deemed a group. For purposes of this report, we have indicated that each reporting person has sole voting and dispositive power with respect to the shares beneficially owned by it and that the reporting persons have shared voting and dispositive power with respect to all shares beneficially owned by all of the reporting persons. Each of the reporting persons disclaims beneficial ownership of shares owned directly by another reporting person.
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Core Scientific, Inc.
(b)
Address of issuer's principal executive offices:
838 Walker Road, Suite 21-2105, Dover, Delaware 19904
Item 2.
(a)
Name of person filing:
This statement is filed by the entities listed below, who are collectively referred to herein as "Reporting Persons" with respect to the shares of Common Stock, $0.00001 par value per share (the "Shares"), of Core Scientific, Inc. (the "Company").
(i) G1 Execution Services, LLC
(ii) SIG Brokerage, LP
(iii) Susquehanna Investment Group
(iv) Susquehanna Securities, LLC
(b)
Address or principal business office or, if none, residence:
The address of the principal business office of G1 Execution Services, LLC is:
175 W. Jackson Blvd.
Suite 1700
Chicago, IL 60604
The address of the principal business office of each of SIG Brokerage, LP, Susquehanna Investment Group and Susquehanna Securities, LLC is:
401 E. City Avenue
Suite 220
Bala Cynwyd, PA 19004
(c)
Citizenship:
Citizenship is set forth in Row 4 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person.
(d)
Title of class of securities:
Common Stock, $0.00001 par value per share
(e)
CUSIP No.:
21874A106
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
The information required by this Item 4(a) is set forth in Row 9 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person.
The number of Shares reported as beneficially owned by G1 Execution Services, LLC includes 16,608 Shares issuable upon the exercise of warrants to purchase Shares. The number of Shares reported as beneficially owned by SIG Brokerage, LP includes options to buy 170,000 Shares. The number of Shares reported as beneficially owned by Susquehanna Investment Group consists of options to buy Shares. The number of Shares reported as beneficially owned by Susquehanna Securities, LLC includes (i) options to buy 12,963,500 Shares, and (ii) 226,741 Shares issuable upon the exercise of warrants to purchase Shares.
The Company's Proxy Statement on Schedule 14A, filed on March 31, 2026, indicates that there were 315,594,802 Shares outstanding as of March 23, 2026.
(b)
Percent of class:
4.6 %
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
The information required by this Item 4(c)(i) is set forth in Row 5 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person.
(ii) Shared power to vote or to direct the vote:
The information required by this Item 4(c)(ii) is set forth in Row 6 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person.
(iii) Sole power to dispose or to direct the disposition of:
The information required by this Item 4(c)(iii) is set forth in Row 7 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person.
(iv) Shared power to dispose or to direct the disposition of:
The information required by this Item 4(c)(iv) is set forth in Row 8 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person.
Item 5.
Ownership of 5 Percent or Less of a Class.
Ownership of 5 percent or less of a class
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
Not Applicable
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
What stake does the Susquehanna group report in Core Scientific (CORZ)?
The filing reports 14,631,891 shares beneficially owned by the reporting group, representing 4.6% of the class. This figure aggregates direct holdings and positions exercisable through options and warrants as disclosed.
How many Core Scientific shares were outstanding for the ownership percentage calculation?
The filing cites 315,594,802 Shares outstanding as of March 23, 2026. The group’s 4.6% percent is calculated using that outstanding share count per the proxy statement referenced.
Do the reported holdings include options or warrants?
Yes. The disclosure states the group’s reported holdings include derivative instruments such as 12,963,500 options (held by Susquehanna Securities, LLC) and additional options and warrants across the reporting persons.
Which entities filed this Schedule 13G/A for CORZ?
The joint filing is made by four affiliated broker‑dealers: G1 Execution Services, LLC, SIG Brokerage, LP, Susquehanna Investment Group, and Susquehanna Securities, LLC, under a joint filing agreement referenced in the exhibit index.
Does the filing state who has voting or dispositive power over the shares?
Yes. Each reporting person lists sole voting and dispositive power over its directly owned shares and shared voting and dispositive power with respect to the group’s aggregated 14,631,891 shares, per the cover‑page rows incorporated by reference.
