Acrivon Therapeutics, Inc. (ACRV) Ownership
ACRV ownership summary
as of October 17, 2026- Institutions
- 50.3% of shares outstanding
- Insiders
- 15.40% of shares outstanding
- Shares outstanding
- 42.9M
- Float
- 25.8M shares available to trade
- Short interest
- 5.63% 1.6M shares short
- Days to cover
- 5.30 short interest up 34.4% vs prior month
- Institutions 50.34%
- Insiders 15.40%
- Other investors 34.27%
ACRV top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | RA Capital Management, LLC | 28.54% | 12.2M | $20.1M | +3.9M (+46.6%) | June 30, 2026 |
| 2 | Sands Capital Ventures, LLC | 5.34% | 2.3M | $3.8M | +166,666 (+7.9%) | June 30, 2026 |
| 3 | Acadian Asset Management LLC | 2.72% | 1.2M | $1.9M | +319,146 (+37.7%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 2.22% | 952K | $1.6M | +229,973 (+31.9%) | June 30, 2026 |
| 5 | Wellington Management Company LLP | 2.07% | 888K | $1.5M | — | June 30, 2026 |
| 6 | Renaissance Technologies Corp | 1.77% | 759K | $1.2M | +423 (+0.1%) | June 30, 2026 |
| 7 | Two Sigma Investments LLC | 1.50% | 641K | $1.1M | +252,103 (+64.7%) | June 30, 2026 |
| 8 | Marshall Wace Asset Management Ltd | 1.24% | 532K | $872,244 | −28,580 (−5.1%) | June 30, 2026 |
| 9 | Bridgeway Capital Management, LLC | 0.88% | 379K | $621,396 | +220,000 (+138.5%) | June 30, 2026 |
| 10 | Geode Capital Management, LLC | 0.62% | 265K | $434,995 | +28,850 (+12.2%) | June 30, 2026 |
| 11 | BlackRock Inc | 0.56% | 239K | $392,144 | +30,173 (+14.4%) | June 30, 2026 |
| 12 | GSA Capital Partners LLP | 0.47% | 200K | $328,681 | +13,699 (+7.3%) | June 30, 2026 |
| 13 | Vanguard Fiduciary Trust Co | 0.43% | 184K | $301,970 | +76,599 (+71.2%) | June 30, 2026 |
| 14 | XTX Topco Ltd | 0.42% | 178K | $292,312 | +111,357 (+166.5%) | June 30, 2026 |
| 15 | Jane Street Group LLC | 0.17% | 75K | $122,423 | −165,043 (−68.9%) | June 30, 2026 |
| 16 | Northern Trust Corp | 0.16% | 67K | $110,211 | +18,300 (+37.4%) | June 30, 2026 |
| 17 | State Street Corp | 0.16% | 67K | $110,118 | — | June 30, 2026 |
| 18 | UBS Group AG | 0.10% | 44K | $71,914 | +9,216 (+26.6%) | June 30, 2026 |
| 19 | Citadel Advisors Llc | 0.10% | 41K | $67,693 | +41,276 (0.0%) | June 30, 2026 |
| 20 | Dimensional Fund Advisors, Inc. | 0.07% | 29K | $48,104 | +10,968 (+59.7%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 16 holders added 5.4M shares and 2 cut 194K.
ACRV top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 1.27% | 546K | $894,687 | — | August 31, 2026 |
| 2 | Bridgeway Ultra-Small Company | 0.74% | 316K | $518,240 | +200,000 (+172.4%) | June 30, 2026 |
| 3 | Lago Erie SICAV | 0.61% | 261K | $427,568 | — | July 31, 2026 |
| 4 | Fidelity Extended Market Index | 0.36% | 156K | $255,437 | −837 (−0.5%) | August 31, 2026 |
| 5 | A4Investments SICAV SIF ACCI IlanaA2EURH | 0.30% | 130K | $213,200 | — | September 30, 2026 |
| 6 | Vifag 2002 SICAV | 0.16% | 68K | $110,700 | — | July 31, 2026 |
| 7 | iShares Micro-Cap ETF | 0.15% | 62K | $102,472 | −431 (−0.7%) | September 30, 2026 |
| 8 | EA Bridgeway Ultra-Small Company Mkt ETF | 0.13% | 57K | $93,860 | — | September 30, 2026 |
| 9 | Fidelity Series Total Market Index | 0.10% | 43K | $69,759 | — | August 31, 2026 |
| 10 | BSF Systematic US Eq Abs Ret A2 USD | 0.09% | 41K | $66,568 | — | December 31, 2025 |
| 11 | Fidelity Total Market Index | 0.09% | 40K | $64,834 | +14,724 (+59.3%) | August 31, 2026 |
| 12 | Nationwide Bailard Sm Cp Val M | 0.07% | 30K | $48,870 | +29,799 (0.0%) | January 31, 2026 |
| 13 | Vanguard U.S. Eq Idx £ Acc | 0.06% | 24K | $38,655 | +23,570 (0.0%) | August 31, 2026 |
| 14 | Vanguard Balanced Index Inv | 0.04% | 17K | $27,703 | — | August 31, 2026 |
| 15 | Dimensional Gl Cor Eq LC ESG Sc USD A | 0.01% | 6,121 | $10,038 | — | August 31, 2026 |
| 16 | Dimensional Global Core Equity USD Acc | 0.01% | 5,484 | $8,994 | — | August 31, 2026 |
| 17 | 1290 VT Micro Cap K | 0.01% | 4,941 | $8,103 | — | August 31, 2026 |
| 18 | Dimensional World Allc 60/40 GBP Acc | <0.01% | 1,797 | $2,947 | — | August 31, 2026 |
| 19 | Dimensional International Core Eq Acc | <0.01% | 1,702 | $2,791 | — | August 31, 2026 |
| 20 | Global Core Equity UCITS ETF USD Acc | <0.01% | 427 | $700 | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
ACRV insider transactions
latest 5| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-14 | Adam D Levy | Buy | $1.70 | 8,832 | $15,014 |
| 2026-01-14 | Peter Blume-Jensen | Buy | $1.68 | 49,000 | $82,320 |
| 2026-01-13 | Eric Devroe | Buy | $1.72 | 10,000 | $17,200 |
| 2025-04-30 | Perceptive Advisors Llc | Sell | $1.41 | 437,881 | $617,412 |
| 2025-04-28 | Perceptive Advisors Llc | Sell | $1.56 | 215,283 | $335,841 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
ACRV shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns ACRV
Institutional investors own 50.3% of Acrivon Therapeutics's shares and insiders 15.40%. The largest holder is RA Capital Management, LLC with 28.54% of the shares (12.2M), as of June 30, 2026. Among the top 20 institutions, 16 added shares and 2 reduced their stake in the latest filings. Short interest is 5.63% of the float, or 5.30 days of average trading volume. The share count rose 3,750.9% since 2020.
Related: ACRV analyst forecast, ACRV key metrics. See the ACRV stock overview for the latest quote and news.
ACRV ownership FAQ
Who owns the most Acrivon Therapeutics stock?
The largest shareholders of Acrivon Therapeutics are RA Capital Management, LLC (28.54%), Sands Capital Ventures, LLC (5.34%), Acadian Asset Management LLC (2.72%), Vanguard Capital Management, LLC (2.22%), Wellington Management Company LLP (2.07%).
What percentage of Acrivon Therapeutics is owned by institutions?
Institutions hold 50.3% of Acrivon Therapeutics's shares outstanding; insiders hold 15.40%.
Which funds own Acrivon Therapeutics?
The largest fund holders of Acrivon Therapeutics are Vanguard MStar Total Stk Mkt Idx Invest (1.27%), Bridgeway Ultra-Small Company (0.74%), Lago Erie SICAV (0.61%), Fidelity Extended Market Index (0.36%), A4Investments SICAV SIF ACCI IlanaA2EURH (0.30%).
What is Acrivon Therapeutics's short interest?
1.6M shares of Acrivon Therapeutics were sold short, 5.63% of the float; at the average daily volume it would take 5.30 days to cover.
Are insiders buying or selling Acrivon Therapeutics?
Of the latest 5 reported insider transactions in Acrivon Therapeutics (since April 28, 2025), 3 were purchases and 2 were sales.
How many shares of Acrivon Therapeutics are outstanding?
Acrivon Therapeutics has 42.9M shares outstanding, of which 25.8M are in the public float.