As of November 6, 2026, one holder's latest Schedule 13D or 13G filing report owning 5% or more of HarbourVest Private Investments Fund. The largest reported stake is State Of Michigan Retirement System's, at 85.6%. 4 filings are on record since August 13, 2025 (Schedule 13G/A, July 27, 2026).
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Key facts
- · Reporting person: State Of Michigan Retirement System · Sole voting: 55,121,744 · Shared voting: 0 · Sole dispositive: 55,121,744 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-07-27
- · Reporting person: HarbourVest Partners L.P. · Sole voting: 1,019 · Shared voting: 0 · Sole dispositive: 1,019 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-05-12
- · Holder: State Of Michigan Retirement System · Percent: 99.4% · SCHEDULE 13G
- · Holder: HarbourVest Partners L.P. · Percent: 100% · SCHEDULE 13G/A
HarbourVest Private Investments Fund has 4 Schedule 13D or 13G filings on record since 2025-08-13. 1 holder's latest filing reports 5% or more of class i common shares of beneficial interest. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| State Of Michigan Retirement System | 85.6% | 55,121,744 | SCHEDULE 13G/A, 2026-07-27 | 2026-06-30 |
| HarbourVest Partners L.P. | 0.9% | 1,019 | SCHEDULE 13G/A, 2026-05-12 | 2026-03-31 |
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| State Of Michigan Retirement System | 55,121,744 | 0 | 55,121,744 | 0 | SCHEDULE 13G/A, 2026-07-27 |
| HarbourVest Partners L.P. | 1,019 | 0 | 1,019 | 0 | SCHEDULE 13G/A, 2026-05-12 |
The latest filing identifies HarbourVest Private Investments Fund by CUSIP 41166N301 and gives its principal executive office as C/O HARBOURVEST PARTNERS, LLC, BOSTON, MA 02111 (SCHEDULE 13G/A, 2026-07-27).
What the percentages are based on
The Reporting Person may be deemed to beneficially own 0.9% of Class A Common Shares and 100% of Class D Common Shares. Calculation of the percentage of the Common Shares beneficially owned is based on 112,011.76 Class A Common Shares and 1,018.51 Class D Common Shares outstanding as of March 31, 2026, as disclosed by the Issuer to the Reporting Person.HarbourVest Partners L.P., SCHEDULE 13G/A, 2026-05-12
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-08-13 | HarbourVest Partners L.P. | 100% | SCHEDULE 13G/A |
| 2026-01-09 | State Of Michigan Retirement System | 99.4% | SCHEDULE 13G |
| 2026-05-12 | HarbourVest Partners L.P. | 0.9% | SCHEDULE 13G/A |
| 2026-07-27 | State Of Michigan Retirement System | 85.6% | SCHEDULE 13G/A |
Questions about who owns HarbourVest Private Investments Fund
Who owns HarbourVest Private Investments Fund?
On this page, one holder's latest ownership filing reports 5% or more of HarbourVest Private Investments Fund: State Of Michigan Retirement System (85.6%, Schedule 13G/A, filed 2026-07-27).
When did State Of Michigan Retirement System buy into HarbourVest Private Investments Fund?
The filings give report dates, not purchase dates. The earliest filing from State Of Michigan Retirement System on this page is the Schedule 13G, filed 2026-01-09, reporting 99.4%; its latest, Schedule 13G/A filed 2026-07-27, reports 85.6%.
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%); 4 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.
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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.