As of November 10, 2026, 5 holders' latest Schedule 13D or 13G filings report owning 5% or more of Harvard Ave Acquisition Corporation. The largest reported stake is Copley Square LLC's, at 21.1%. 8 filings are on record since October 27, 2025 (Schedule 13D, October 27, 2025).
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Key facts
- · Reporting person: W. R. Berkley Corporation · Sole voting: 0 · Shared voting: 767,466 · Sole dispositive: 0 · Shared dispositive: 767,466 · SCHEDULE 13G, 2026-11-09
- · Reporting person: Polar Asset Management Partners Inc. · Sole voting: 799,990 · Shared voting: 0 · Sole dispositive: 799,990 · Shared dispositive: 0 · SCHEDULE 13G, 2026-08-14
- · Reporting person: The Goldman Sachs Group, Inc. · Sole voting: 0 · Shared voting: 775,053 · Sole dispositive: 0 · Shared dispositive: 775,053 · SCHEDULE 13G/A, 2026-08-12
- · Holder: Westchester Capital Management, LLC · Percent: 4.97% · SCHEDULE 13G
- · Holder: The Goldman Sachs Group, Inc. · Percent: 5.1% · SCHEDULE 13G
Harvard Ave Acquisition Corporation has 8 Schedule 13D or 13G filings on record since 2025-10-27. 5 holders' latest filing reports 5% or more of class a ordinary shares, par value $0.0001 per share. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| Copley Square LLC | 21.1% | 4,368,432 | SCHEDULE 13D, 2025-10-27 | 2025-10-22 |
| Northlake Partners Ltd. | 7.8% | 1,604,757 | SCHEDULE 13D, 2025-10-27 | 2025-10-22 |
| Millennium Management LLC | 6.4% | 950,000 | SCHEDULE 13G, 2025-10-29 | 2025-10-23 |
| W. R. Berkley Corporation | 5.2% | 767,466 | SCHEDULE 13G, 2026-11-09 | 2026-09-30 |
| Polar Asset Management Partners Inc. | 5% | 799,990 | SCHEDULE 13G, 2026-08-14 | 2026-06-30 |
| Westchester Capital Management, LLC | 4.97% | 788,916 | SCHEDULE 13G, 2026-05-15 | 2026-03-31 |
| The Goldman Sachs Group, Inc. | 4.9% | 775,053 | SCHEDULE 13G/A, 2026-08-12 | 2026-06-30 |
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More on Harvard Ave Acquisition Corporation and the records around it.
Companies that share a holder
- Westchester Capital Management, LLC also filed stake reports on 31 other companies: Lakeshore Acquisition III Corp. (Aug 2026), Sizzle Acquisition Corp. II (Aug 2026), Tavia Acquisition Corp. (Aug 2026)
- Integrated Core Strategies (US) LLC also filed stake reports on 63 other companies: SkinHealth Systems Inc. (Nov 2026), Infinite Eagle Acquisition Corp. (Nov 2026), Longeveron Inc. (Nov 2026)
- Polar Asset Management Partners Inc. also filed stake reports on 69 other companies: Aeon Acquisition I Corp. (Aug 2026), Bitcoin Depot Inc. (Aug 2026), ACP Holdings Acquisition Corp. (Aug 2026)
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| W. R. Berkley Corporation | 0 | 767,466 | 0 | 767,466 | SCHEDULE 13G, 2026-11-09 |
| Berkley Insurance Company | 0 | 767,466 | 0 | 767,466 | SCHEDULE 13G, 2026-11-09 |
| Polar Asset Management Partners Inc. | 799,990 | 0 | 799,990 | 0 | SCHEDULE 13G, 2026-08-14 |
| The Goldman Sachs Group, Inc. | 0 | 775,053 | 0 | 775,053 | SCHEDULE 13G/A, 2026-08-12 |
| Goldman Sachs & Co. LLC | 0 | 775,053 | 0 | 775,053 | SCHEDULE 13G/A, 2026-08-12 |
The latest filing identifies Harvard Ave Acquisition Corporation by CUSIP G4330A103 and gives its principal executive office as 3rd Floor, 166 Yeongsin-ro, Yeongdengpo-gu, Seoul (SCHEDULE 13G, 2026-11-09).
Purpose of Transaction (Item 4)
Northlake Partners Ltd.
On September 19, 2024, (1) the Issuer issued 7,187,500 Class B ordinary shares to Copley Square Sponsor Limited for a purchase price of $25,000, and (2) Copley Square Sponsor Limited surrendered one Class A ordinary shares of a par value of $0.0001 each. On October 18, 2024, Copley Square Sponsor Limited transferred to certain directors and officers of the Issuer an aggregate amount of 220,000 Class B ordinary shares, and all at the original purchase price when Copley Square Sponsor Limited acquired such shares from the Issuer. On July 14, 2025, Copley Square Sponsor Limited surrendered 287,500 Class B ordinary shares it held, and on August 14, 2025 transferred the remaining 6,680,000 Class B ordinary shares to Copley Square LLC in exchange for becoming the managing member of Copley Square LLC. In addition, on September 16, 2025, Copley Square LLC transferred 2,438,546 Class B ordinary shares to the Sponsor at $0.0036 per share. On October 22, 2025 and October 24, 2025, the Sponsor surrendered 749,692 Class B ordinary shares and 405,113 Class B ordinary shares, respectfully. On October 24, 2025, simultaneously with the Issuer's IPO, the Sponsor acquired 66,017 Private Units and 255,000 Class A ordinary shares in the Private Placement. Each Private Unit consists of one Class A ordinary share of the Issuer and one right to receive one-tenth (1/10) of one Class A ordinary share of the Issuer. Depending on prevailing market, economic and other conditions, the Reporting Persons …The first part of Item 4 of the SCHEDULE 13D filed 2025-10-27; the filing has the rest
Copley Square LLC
On September 19, 2024, (1) the Issuer issued 7,187,500 Class B ordinary shares to Copley Square Sponsor Limited for a purchase price of $25,000, and (2) Copley Square Sponsor Limited surrendered one Class A ordinary shares of a par value of $0.0001 each. On October 18, 2024, Copley Square Sponsor Limited transferred to certain directors and officers of the Issuer an aggregate amount of 220,000 Class B ordinary shares, and all at the original purchase price when Copley Square Sponsor Limited acquired such shares from the Issuer. On July 14, 2025, Copley Square Sponsor Limited surrendered 287,500 Class B ordinary shares it held, and on August 14, 2025 transferred the remaining 6,680,000 Class B ordinary shares to the Sponsor in exchange for becoming the managing member of The Sponsor. In addition, on September 16, 2025, the Sponsor transferred 2,438,546 Class B ordinary shares to Northlake Partners Ltd. at $0.0036 per share. On October 22, 2025 and October 24, 2025, the Sponsor surrendered 591,974 Class B ordinary shares and 319,887 Class B ordinary shares, respectfully. On October 24, 2025, simultaneously with the Issuer's IPO, the Sponsor acquired 273,947 Private Units and 764,892 Class A ordinary shares in the Private Placement. Each Private Unit consists of one Class A ordinary share of the Issuer and one right to receive one-tenth (1/10) of one Class A ordinary share of the Issuer. Depending on prevailing market, economic and other conditions, the Reporting Persons may …The first part of Item 4 of the SCHEDULE 13D filed 2025-10-27; the filing has the rest
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-10-27 | Northlake Partners Ltd. | 7.8% | SCHEDULE 13D |
| 2025-10-27 | Copley Square LLC | 21.1% | SCHEDULE 13D |
| 2025-10-29 | Millennium Management LLC | 6.4% | SCHEDULE 13G |
| 2026-05-08 | The Goldman Sachs Group, Inc. | 5.1% | SCHEDULE 13G |
| 2026-05-15 | Westchester Capital Management, LLC | 4.97% | SCHEDULE 13G |
| 2026-08-12 | The Goldman Sachs Group, Inc. | 4.9% | SCHEDULE 13G/A |
| 2026-08-14 | Polar Asset Management Partners Inc. | 5% | SCHEDULE 13G |
| 2026-11-09 | W. R. Berkley Corporation | 5.2% | SCHEDULE 13G |
Questions about who owns Harvard Ave Acquisition Corporation
Who owns Harvard Ave Acquisition Corporation?
On this page, 5 holders' latest ownership filings report 5% or more of Harvard Ave Acquisition Corporation: Copley Square LLC (21.1%, Schedule 13D, filed 2025-10-27), Northlake Partners Ltd. (7.8%, Schedule 13D, filed 2025-10-27), Millennium Management LLC (6.4%, Schedule 13G, filed 2025-10-29), W. R. Berkley Corporation (5.2%, Schedule 13G, filed 2026-11-09) and Polar Asset Management Partners Inc. (5%, Schedule 13G, filed 2026-08-14).
Who are the largest shareholders of Harvard Ave Acquisition Corporation?
By the share each holder's latest filing reports, the largest holders of Harvard Ave Acquisition Corporation on this page are Copley Square LLC (21.1%), Northlake Partners Ltd. (7.8%) and Millennium Management LLC (6.4%).
When did Copley Square LLC buy into Harvard Ave Acquisition Corporation?
The filings give report dates, not purchase dates. The earliest filing from Copley Square LLC on this page is the Schedule 13D, filed 2025-10-27, reporting 21.1%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 8 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
Also on the record for Harvard Ave Acquisition Corporation
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| October 22, 2025 | IPO filing, Form 424B4 | $10 a share | IPO filings | Source |
| September 25, 2025 | IPO filing, Form S-1/A | — | IPO filings | Source |
| September 19, 2025 | IPO filing, Form S-1/A | — | IPO filings | Source |
| September 3, 2025 | IPO filing, Form S-1/A | — | IPO filings | Source |
| July 15, 2025 | IPO filing, Form S-1/A | — | IPO filings | Source |
| February 11, 2025 | IPO filing, Form S-1 | — | IPO filings | Source |
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.