[SCHEDULE 13G] Willow Lane Acquisition Corp. Passive Investment Disclosure (>5%)
AWM reports 6.2% stake in Willow Lane Acquisition
AWM Investment Company, Inc. reported beneficial ownership of 779,299 shares of Willow Lane Acquisition Corp. common stock, representing 6.2% of the class as of the reporting period.
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AWM Investment Company, Inc. reported beneficial ownership of 779,299 shares of Willow Lane Acquisition Corp. common stock, representing 6.2% of the class as of the reporting period. AWM states it holds sole voting and dispositive power over those shares in its capacity as investment adviser to five affiliated funds.
The filing lists the per-fund allocations: 113,778 shares held by Special Situations Cayman Fund, 389,961 by Special Situations Fund III QP, 43,047 by Special Situations Private Equity Fund, 40,806 by Special Situations Technology Fund, and 191,707 by Special Situations Technology Fund II. The report is signed by Adam Stettner.
Insights
AWM reports a concentrated 6.2% stake via five affiliated funds.
AWM holds sole voting and dispositive power for 779,299 shares through its advisory role to multiple funds. The filing itemizes holdings by fund, which clarifies the ownership structure and who controls voting rights.
Key dependencies include the funds' investment mandates and any future disclosures of changes in holdings; subsequent Schedule 13D/G or Form 4 filings would show material changes.
Key Figures
Beneficial ownership:779,299 sharesPercent of class:6.2%CAYMAN fund holdings:113,778 shares+4 more
7 metrics
Beneficial ownership779,299 sharesreported ownership in Schedule 13G
Percent of class6.2%percent of WLAC common stock
CAYMAN fund holdings113,778 sharesSpecial Situations Cayman Fund
SSFQP fund holdings389,961 sharesSpecial Situations Fund III QP
SSPE fund holdings43,047 sharesSpecial Situations Private Equity Fund
TECH fund holdings40,806 sharesSpecial Situations Technology Fund
TECH II fund holdings191,707 sharesSpecial Situations Technology Fund II
Key Terms
Beneficially owned, SCHEDULE 13G, Sole dispositive power
3 terms
Beneficially ownedregulatory
"Amount beneficially owned: 779,299"
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.
SCHEDULE 13Gregulatory
"form_type: SCHEDULE 13G"
A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.
Sole dispositive powerregulatory
"Sole Dispositive Power 779,299.00"
Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What stake does AWM hold in Willow Lane Acquisition Corp (WLAC)?
AWM holds 779,299 shares, equal to 6.2% of WLAC's common stock. The shares are held across five affiliated funds for which AWM is the investment adviser.
Who controls the voting and disposition of the WLAC shares reported by AWM?
AWM reports sole voting and dispositive power over the 779,299 shares in its capacity as investment adviser to the five named funds, meaning AWM directs votes and dispositions.
Which funds hold the WLAC shares cited in the Schedule 13G?
The filing lists five funds: Special Situations Cayman Fund (113,778), Special Situations Fund III QP (389,961), Special Situations Private Equity Fund (43,047), Special Situations Technology Fund (40,806), and Special Situations Technology Fund II (191,707).
When was the Schedule 13G for WLAC signed and by whom?
The Schedule 13G was signed by Adam Stettner as Executive Vice President on 05/04/2026, according to the filing's signature block.
Does this Schedule 13G indicate AWM intends to change its stake in WLAC?
No intent to change holdings is stated; the filing reports current beneficial ownership and voting/dispositive power only. Any future intent would appear in later filings if disclosed.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
Willow Lane Acquisition Corp.
(Name of Issuer)
Common Stock, Par Value $0.0001
(Title of Class of Securities)
G9675P102
(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):
G9675P102
1
Names of Reporting Persons
AWM Investment Company, 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
779,299.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
779,299.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
779,299.00
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)
6.2 %
12
Type of Reporting Person (See Instructions)
IA
Comment for Type of Reporting Person: AWM Investment Company, Inc., a Delaware Corporation (AWM), is the investment adviser to Special Situations Cayman Fund, L.P. (CAYMAN), Special Situations Fund III QP, L.P. (SSFQP), Special Situations Private Equity Fund, L.P. (SSPE), Special Situations Technology Fund, L.P. (TECH) and Special Situations Technology Fund II, L.P. (TECH II) (CAYMAN, SSFQP, SSPE, TECH and TECH II will hereafter be referred to as the Funds). As the investment adviser to the Funds, AWM holds sole voting and investment power over 113,778 shares of Common Stock of the Issuer (the Shares) held by CAYMAN, 389,961 Shares held by SSFQP, 43,047 Shares held by SSPE, 40,806 Shares held by TECH and 191,707 Shares held by TECH II.
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Willow Lane Acquisition Corp.
(b)
Address of issuer's principal executive offices:
250 WEST 57TH STREET, SUITE 415, NEW YORK, NEW YORK, 10107
Item 2.
(a)
Name of person filing:
The person filing this report is AWM Investment Company, Inc., a Delaware corporation (AWM), which is the investment adviser to Special Situations Cayman Fund, L.P., a Cayman Island limited partnership (CAYMAN), Special Situations Fund III QP, L.P., a Delaware limited partnership (SSFQP) Special Situations Private Equity Fund, L.P., a Delaware limited partnership (SSPE), Special Situations Technology Fund, L.P., a Delaware limited partnership (TECH) and Special Situations Technology Fund II, L.P., a Delaware limited partnership (TECH II), (CAYMAN, SSFQP, SSPE, TECH and TECH II, will hereafter be referred to as the Funds). The principal business of each Fund is to invest in equity and equity-related securities and other securities of any kind or nature.
David M. Greenhouse (Greenhouse) and Adam C. Stettner (Stettner) are members of SSCayman, L.L.C., a Delaware limited liability company (SSCAY), the general partner of CAYMAN. Greenhouse and Stettner are members of: MGP Advisers Limited Partnership, a Delaware limited partnership (MGP), the general partner of SSFQP; MG Advisers, L.L.C., a New York limited liability company (MG), the general partner of SSPE; and SST Advisers, L.L.C., a Delaware limited liability company (SSTA), the general partner of TECH and TECH II. Greenhouse and Stettner are also controlling principals of AWM.
(b)
Address or principal business office or, if none, residence:
527 Madison Avenue, Suite 2600
New York, NY 10022
(c)
Citizenship:
AWM is a Delaware Corporation
(d)
Title of class of securities:
Common Stock, Par Value $0.0001
(e)
CUSIP Number(s):
G9675P102
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:
779,299
(b)
Percent of class:
6.2 %
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
AWM is the investment adviser to each of the Funds. As the investment adviser to the Funds, AWM holds sole voting power over 113,778 shares of Common Stock of the Issuer (the Shares) held by CAYMAN, 389,961 Shares held by SSFQP, 43,047 Shares held by SSPE, 40,806 Shares held by TECH and 191,707 Shares held by TECH II.
Greenhouse and Stettner are members of: MGP, the general partner of SSFQP; MG, the general partner of SSPE and SSTA, the general partner of TECH and TECH II. Greenhouse and Stettner are also controlling principals of AWM.
(ii) Shared power to vote or to direct the vote:
0
(iii) Sole power to dispose or to direct the disposition of:
AWM is the investment adviser to each of the Funds. As the investment adviser to the Funds, AWM holds sole investment power over 113,778 shares of Common Stock of the Issuer (the Shares) held by CAYMAN, 389,961 Shares held by SSFQP, 43,047 Shares held by SSPE, 40,806 Shares held by TECH and 191,707 Shares held by TECH II.
Greenhouse and Stettner are members of: MGP, the general partner of SSFQP; MG, the general partner of SSPE and SSTA, the general partner of TECH and TECH II. Greenhouse and Stettner are also controlling principals of AWM.
(iv) Shared power to dispose or to direct the disposition of:
0
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 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.
