iBio, Inc. amendment to a Schedule 13G/A reports that Point72 Asset Management, Point72 Capital Advisors Inc., and Steven A. Cohen each beneficially owned 0% of iBio common stock as of the close of business on 03/31/2026. The filing lists the reporting persons' registered business address and CUSIP 451033708, and is signed by an authorized person on 05/15/2026.
Positive
None.
Negative
None.
Insights
Schedule 13G/A shows no beneficial stake by Point72 or Mr. Cohen as of 03/31/2026.
The amendment records that each Reporting Person beneficially owned 0% of iBio common stock at the close of business on 03/31/2026. The filing confirms address and CUSIP information and is signed on 05/15/2026.
Because the disclosed percentage is zero, this filing is administrative in nature; subsequent filings would be needed to show any position build or disposition.
Amendment documents reporting persons and their corporate forms; no change in beneficial ownership reported.
The statement identifies Point72 Asset Management (Delaware LP), Point72 Capital Advisors Inc. (Delaware corp.), and Steven A. Cohen (U.S. citizen) and ties ownership facts to the cover-page rows as of 03/31/2026. Signatures dated 05/15/2026 complete the amendment.
From a disclosure perspective, this is a corrective/confirmatory amendment; it does not itself create cash‑flow or equity changes.
Key Figures
Filing type:Schedule 13G/AOwnership percent:0%CUSIP:451033708+3 more
Ownership percent0%Beneficial ownership as of 03/31/2026
CUSIP451033708iBio common stock identifier
Ownership as of date03/31/2026Close of business date for Item 4 figures
Signature date05/15/2026Date authorized person signed the amendment
Reporting persons' address72 Cummings Point Road, Stamford, CT 06902Principal business office for reporting persons
Key Terms
Schedule 13G/A, beneficially owned, CUSIP
3 terms
Schedule 13G/Aregulatory
"amendment to a Schedule 13G/A reports that Point72 Asset Management"
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 ownedregulatory
"beneficially owned 0% of iBio common stock as of the close of business on 03/31/2026"
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.
CUSIPfinancial
"CUSIP 451033708 for iBio common stock"
A CUSIP is a nine-character alphanumeric code that uniquely identifies a U.S. or Canadian financial security—such as a stock, bond, or fund share—like a Social Security number for an investment. It matters to investors because brokers, exchanges and record-keepers use the CUSIP to match trades, track ownership, settle transactions and pull accurate records, reducing errors and ensuring money and securities go to the right place.
What does the IBIO Schedule 13G/A amendment state?
The amendment states that Point72 Asset Management, Point72 Capital Advisors Inc., and Steven A. Cohen each beneficially owned 0% of iBio common stock as of 03/31/2026. It also lists the reporting persons' address and the CUSIP 451033708.
Does the filing show any shares held by Point72 or Steven A. Cohen in IBIO?
No. The filing reports an ownership percentage of 0% for each reporting person as of the close of business on 03/31/2026. The Item 4 values are incorporated from the cover page referenced in the amendment.
What is the effective date of the ownership information in the IBIO amendment?
Ownership figures are stated as of the close of business on 03/31/2026. The amendment itself is signed by an authorized person on 05/15/2026, which is the filing signature date.
What entities filed the Schedule 13G/A for IBIO and where are they organized?
The Schedule 13G/A was filed by Point72 Asset Management, L.P. (a Delaware limited partnership), Point72 Capital Advisors, Inc. (a Delaware corporation), and Steven A. Cohen (a United States citizen), with principal office at Stamford, CT.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
iBio, Inc.
(Name of Issuer)
Common Stock, par value $0.001 per share
(Title of Class of Securities)
451033708
(CUSIP Number)
03/31/2026
(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):
451033708
1
Names of Reporting Persons
Point72 Asset Management, L.P.
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
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
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)
0 %
12
Type of Reporting Person (See Instructions)
PN
SCHEDULE 13G
CUSIP Number(s):
451033708
1
Names of Reporting Persons
Point72 Capital Advisors, Inc.
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
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
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)
0 %
12
Type of Reporting Person (See Instructions)
CO
SCHEDULE 13G
CUSIP Number(s):
451033708
1
Names of Reporting Persons
Steven A. Cohen
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
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
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)
0 %
12
Type of Reporting Person (See Instructions)
IN
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
iBio, Inc.
(b)
Address of issuer's principal executive offices:
11750 Sorrento Valley Road, Suite 200, San Diego, California 92121
Item 2.
(a)
Name of person filing:
This statement is filed by: (i) Point72 Asset Management, L.P. ("Point72 Asset Management") with respect to the shares of common stock, par value $0.001 per share ("Common Stock"), of iBio, Inc. that were held by an investment fund it manages; (ii) Point72 Capital Advisors, Inc. ("Point72 Capital Advisors Inc.") with respect to the shares of Common Stock that were held by an investment fund managed by Point72 Asset Management; and (iii) Steven A. Cohen ("Mr. Cohen") with respect to the Common Stock that were beneficially owned by Point72 Asset Management and Point72 Capital Advisors Inc.
(b)
Address or principal business office or, if none, residence:
The address of the principal business office of Point72 Asset Management, Point72 Capital Advisors Inc., and Mr. Cohen is 72 Cummings Point Road, Stamford, CT 06902.
(c)
Citizenship:
Point72 Asset Management is a Delaware limited partnership. Point72 Capital Advisors Inc. is a Delaware corporation. Mr. Cohen is a United States citizen.
(d)
Title of class of securities:
Common Stock, par value $0.001 per share
(e)
CUSIP No.:
451033708
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 Item 4(a) is set forth in Row 9 of the cover page for each of the Reporting Persons and is incorporated herein by reference. Such information is as of the close of business on March 31, 2026.
(b)
Percent of class:
0%
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for each of the Reporting Persons and is incorporated herein by reference. Such information is as of the close of business on March 31, 2026.
(ii) Shared power to vote or to direct the vote:
The information required by Item 4(c)(ii) is set forth in Row 6 of the cover page for each of the Reporting Persons and is incorporated herein by reference. Such information is as of the close of business on March 31, 2026.
(iii) Sole power to dispose or to direct the disposition of:
The information required by Item 4(c)(iii) is set forth in Row 7 of the cover page for each of the Reporting Persons and is incorporated herein by reference. Such information is as of the close of business on March 31, 2026.
(iv) Shared power to dispose or to direct the disposition of:
The information required by Item 4(c)(iv) is set forth in Row 8 of the cover page for each of the Reporting Persons and is incorporated herein by reference. Such information is as of the close of business on March 31, 2026.
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 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.
