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Pine Tree Acquisition Corp. (PAXGU) is the issuer of Class A ordinary shares for which CVI Investments, Inc. reports 800,000 shares, or 7.6%, as beneficially owned. Heights Capital Management, Inc., CVI’s investment manager, reports shared voting and dispositive power over the same shares; each reporting person disclaims beneficial ownership except for its pecuniary interest. The shares are held in units, each comprising one share and a right to receive three-fourths of a share upon consummation of an initial business combination. The prospectus states that 10,540,000 shares were outstanding upon completion of the unit offering.
Key Figures
Reported beneficial ownership:800,000 sharesPercent of class:7.6%Shares outstanding:10,540,000 shares+2 more
5 metrics
Reported beneficial ownership800,000 sharesCVI Investments’ reported position; Heights Capital Management reports shared voting and dispositive power over the same shares.
Percent of class7.6%Reported for the Class A ordinary shares.
Shares outstanding10,540,000 sharesUpon completion of the offering of units, according to the prospectus.
Shares per unit1 shareEach unit consists of one Class A ordinary share and a right.
Shares receivable per right3/4 of one shareUpon consummation of an initial business combination.
Key Terms
beneficial ownership, shared voting power, pecuniary interest, initial business combination
4 terms
beneficial ownershipregulatory
"Shares reported as beneficially owned herein are held as part of units"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
shared voting powerregulatory
"Shared Voting Power 800,000.00"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.
pecuniary interestregulatory
"disclaims any beneficial ownership of any such Shares, except for their pecuniary interest therein"
initial business combinationfinancial
"upon the consummation of an initial business combination"
An initial business combination is the deal in which a special-purpose acquisition company (SPAC) merges with or acquires an operating business to bring that business onto public markets. Think of the SPAC as an empty shell that raises money from investors, then uses that cash to buy a private company—this transaction turns the private company into a public one and often changes its ownership, valuation, and access to capital, so investors should watch for shifts in risk, future growth prospects, and shareholder rights.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
How many Pine Tree Acquisition Corp. (PAXGU) shares does CVI Investments report owning?
CVI Investments, Inc. reported beneficial ownership of 800,000 Class A ordinary shares, equal to 7.6% of the class. Heights Capital Management, Inc. reports shared voting and dispositive power over the same shares as CVI’s investment manager.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
Pine Tree Acquisition Corp.
(Name of Issuer)
Class A Ordinary Shares, $0.0001 par value per share
(Title of Class of Securities)
G7111J128
(CUSIP Number)
10/06/2026
(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):
G7111J128
1
Names of Reporting Persons
CVI Investments, 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
CAYMAN ISLANDS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
800,000.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
800,000.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
800,000.00
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)
7.6 %
12
Type of Reporting Person (See Instructions)
CO
Comment for Type of Reporting Person: With respect to Row 6 and Row 8 above, Heights Capital Management, Inc. is the investment manager to CVI Investments, Inc. and as such may exercise voting and dispositive power over the shares reported as beneficially owned by CVI Investments, Inc. herein.
SCHEDULE 13G
CUSIP Number(s):
G7111J128
1
Names of Reporting Persons
Heights Capital Management, 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
800,000.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
800,000.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
800,000.00
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)
7.6 %
12
Type of Reporting Person (See Instructions)
CO
Comment for Type of Reporting Person: With respect to Row 6 and Row 8 above, Heights Capital Management, Inc. is the investment manager to CVI Investments, Inc. and as such may exercise voting and dispositive power over the shares reported as beneficially owned by CVI Investments, Inc. herein.
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Pine Tree Acquisition Corp.
(b)
Address of issuer's principal executive offices:
418 Broadway, #6538, Albany, NY 12207
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 Class A ordinary shares of Pine Tree Acquisition Corp. (the "Company"), $0.0001 par value per share (the "Shares").
(i) CVI Investments, Inc.
(ii) Heights Capital Management, Inc.
(b)
Address or principal business office or, if none, residence:
The address of the principal business office of CVI Investments, Inc. is:
P.O. Box 309GT
Ugland House
South Church Street
George Town
Grand Cayman
KY1-1104
Cayman Islands
The address of the principal business office of Heights Capital Management, Inc. is:
101 California Street, Suite 3250
San Francisco, California 94111
(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:
Class A Ordinary Shares, $0.0001 par value per share
(e)
CUSIP Number(s):
G7111J128
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 Shares reported as beneficially owned herein are held as part of units. Each unit consists of one Share and one right to receive three-fourths (3/4) of one Share upon the consummation of an initial business combination, as described in more detail in the Company's Prospectus (Registration No. 333-292289), filed on October 6, 2026 (the "Prospectus").
The Prospectus indicates there were 10,540,000 Shares outstanding as of the completion of the offering of the units referred to therein.
(b)
Percent of class:
7.6 %
(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.
Heights Capital Management, Inc., which serves as the investment manager to CVI Investments, Inc., may be deemed to be the beneficial owner of all Shares owned by CVI Investments, Inc. Each of the Reporting Persons hereby disclaims any beneficial ownership of any such Shares, except for their pecuniary interest therein.
(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.
Heights Capital Management, Inc., which serves as the investment manager to CVI Investments, Inc., may be deemed to be the beneficial owner of all Shares owned by CVI Investments, Inc. Each of the Reporting Persons hereby disclaims any beneficial ownership of any such Shares, except for their pecuniary interest therein.
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
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.
CVI Investments, Inc.
Signature:
/s/ Sarah Travis
Name/Title:
Sarah Travis, Assistant General Counsel and Assistant Secretary of Heights Capital Management, Inc.
Date:
10/13/2026
Heights Capital Management, Inc.
Signature:
/s/ Sarah Travis
Name/Title:
Sarah Travis, Assistant General Counsel and Assistant Secretary
Date:
10/13/2026
Comments accompanying signature: Heights Capital Management, Inc. serves as authorized agent of CVI Investments, Inc. pursuant to a Limited Power of Attorney, a copy of which is attached as Exhibit 24 hereto.
Exhibit Information
EXHIBIT INDEX
EXHIBIT DESCRIPTION
________ ________
24 Limited Power of Attorney
99 Joint Filing Agreement
