ACRV · Acrivon Therapeutics, Inc. · Shareholders & Ownership

$1.81 +0.12 (+7.10%)

Market Cap

$76.74M

42.85M

Volume · Oct 20 182.81K Avg daily vol (3M) 316.7K

Every disclosed holder of ACRV in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

How the holder list picks a filing →

Who Owns ACRV

13F quarter Jun 30, 2026

Holder group	Holders	Shares	% Out	Summed
Institutional (13F)	46	21,402,557	49.94%	Yes
Insiders (Forms 3, 4, 5)	16	6,235,848	14.55%	Yes
13D/G-only blocks	2	6,137,903	14.32%	Yes
Remaining	—	9,077,054	21.18%	Rest
Registered funds (N-PORT, not summed)	13	1,590,148	3.71%	No

Shares outstanding: 42,853,362, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of ACRV

One row per holder Every filing By ultimate parent

All 13F Funds Insiders 13D/G Non-US

#	Holder	Shares	% Out	Change	As of	Notes
1	RA CAPITAL MANAGEMENT, L.P. 13F CIK 1346824 · Registered investment adviser · Jun 30, 2026	12,229,396	28.54%	+3,888,888	Jun 30, 2026
1.1	RA CAPITAL MANAGEMENT, L.P. Insider CIK 1346824 · May 18, 2026 Director, issuer-wide, not summed	426,302	0.99%	—	May 18, 2026	Director, issuer-wide, not summed
2	Chione Ltd. 13G CIK 1590232 · Unknown · Jun 30, 2024 Rule 13d-1(c), passive investor	3,848,632	8.98%	0	Jun 30, 2024	Rule 13d-1(c), passive investor
3	Blume-Jensen Peter Insider CIK 1950499 · Aug 25, 2026 Director, President and CEO, issuer-wide	2,615,911	6.10%	-14,036	Aug 25, 2026	Director, President and CEO, issuer-wide
4	Sands Capital Alternatives, LLC 13F CIK 1846444 · Registered investment adviser · Jun 30, 2026	2,289,271	5.34%	+166,666	Jun 30, 2026
5	Sands Capital Life Sciences Pulse Fund II. L.P. 13G CIK 1875620 · Unknown · Jun 30, 2026 Rule 13d-1(c), passive investor	2,289,271	5.34%	+166,666	Jun 30, 2026	Rule 13d-1(c), passive investor
6	ACADIAN ASSET MANAGEMENT LLC 13F CIK 916542 · Unknown · Jun 30, 2026	1,165,119	2.72%	+319,146	Jun 30, 2026
7	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026	952,008	2.22%	+229,973	Jun 30, 2026
8	WELLINGTON MANAGEMENT GROUP LLP 13F CIK 902219 · Holding company · Jun 30, 2026	888,130	2.07%	0	Jun 30, 2026
9	RENAISSANCE TECHNOLOGIES LLC 13F CIK 1037389 · Registered investment adviser · Jun 30, 2026	758,863	1.77%	+423	Jun 30, 2026
10	TWO SIGMA INVESTMENTS, LP 13F CIK 1179392 · Registered investment adviser · Jun 30, 2026	641,498	1.50%	+252,103	Jun 30, 2026
11	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	545,541	1.27%	0	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
12	MARSHALL WACE, LLP 13F CIK 1318757 · Exempt reporting adviser · Jun 30, 2026	531,856	1.24%	-28,580	Jun 30, 2026
13	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	389,575	0.91%	+213,081	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
14	BRIDGEWAY CAPITAL MANAGEMENT, LLC 13F CIK 1107261 · Registered investment adviser · Jun 30, 2026	378,900	0.88%	+220,000	Jun 30, 2026
14.1	Ultra-Small Company Fund Fund S000004423 · Registered fund · Jun 30, 2026 Bridgeway Funds, Inc., not summed	316,000	0.74%	+200,000	Jun 30, 2026	Bridgeway Funds, Inc., not summed
14.2	Ultra-Small Company Market Fund Fund S000004424 · Registered fund · Jun 30, 2026 Bridgeway Funds, Inc., not summed	58,000	0.14%	+20,000	Jun 30, 2026	Bridgeway Funds, Inc., not summed
15	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026	265,241	0.62%	+28,850	Jun 30, 2026
16	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026	239,112	0.56%	+30,173	Jun 30, 2026
16.1	iShares Micro-Cap ETF Fund S000004439 · Registered fund · Jun 30, 2026 iShares Trust, not summed	73,869	0.17%	+28,700	Jun 30, 2026	iShares Trust, not summed
17	GSA CAPITAL PARTNERS LLP 13F CIK 1362033 · Registered investment adviser · Jun 30, 2026	200,415	0.47%	+13,699	Jun 30, 2026
18	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026	184,128	0.43%	+76,599	Jun 30, 2026
19	XTX Topco Ltd 13F CIK 1828301 · Unknown · Jun 30, 2026	178,239	0.42%	+111,357	Jun 30, 2026
20	Devroe Eric Insider CIK 1950573 · Aug 18, 2026 Chief Operating Officer, issuer-wide	146,349	0.34%	-604	Aug 18, 2026	Chief Operating Officer, issuer-wide
21	Miller Mary Insider CIK 1841088 · Oct 5, 2026 Chief Legal Officer, issuer-wide	81,715	0.19%	-294	Oct 5, 2026	Chief Legal Officer, issuer-wide
22	JANE STREET GROUP, LLC 13F CIK 1595888 · Unknown · Jun 30, 2026	74,648	0.17%	-165,043	Jun 30, 2026
23	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026	67,202	0.16%	+18,300	Jun 30, 2026
24	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026	67,145	0.16%	0	Jun 30, 2026
25	Levy Adam D. Insider CIK 2061876 · Aug 4, 2026 Chief Financial Officer, issuer-wide	66,008	0.15%	-1,142	Aug 4, 2026	Chief Financial Officer, issuer-wide
26	Gamelin Erick Insider CIK 1950551 · Aug 18, 2026 Chief Development Officer, issuer-wide	52,592	0.12%	-400	Aug 18, 2026	Chief Development Officer, issuer-wide
27	UBS Group AG 13F CIK 1610520 · Bank · Jun 30, 2026	43,850	0.10%	+9,216	Jun 30, 2026
28	CITADEL ADVISORS LLC 13F CIK 1423053 · Registered investment adviser · Jun 30, 2026	41,276	0.10%	+41,276	Jun 30, 2026
29	Mirza Mansoor Raza Insider CIK 1588389 · May 18, 2026 Chief Medical Officer, issuer-wide	38,817	0.09%	—	May 18, 2026	Chief Medical Officer, issuer-wide
30	Levin Michaela Insider CIK 2151012 · Aug 31, 2026 Chief Business Officer, issuer-wide	30,000	0.07%	—	Aug 31, 2026	Chief Business Officer, issuer-wide
31	DIMENSIONAL FUND ADVISORS LP 13F CIK 354204 · Registered investment adviser · Jun 30, 2026	29,332	0.07%	+10,968	Jun 30, 2026
32	Spark Investment Management LLC 13F CIK 1554871 · Registered investment adviser · Jun 30, 2026	28,300	0.07%	+28,300	Jun 30, 2026
33	Holm-Jorgensen Rasmus Insider CIK 1950496 · Feb 14, 2025 Chief Financial Officer, issuer-wide	26,088	0.06%	-434	Feb 14, 2025	Chief Financial Officer, issuer-wide
34	PRELUDE CAPITAL MANAGEMENT, LLC 13F CIK 1387508 · Registered investment adviser · Jun 30, 2026	24,015	0.06%	0	Jun 30, 2026
35	Peterson Katharine Insider CIK 2022214 · Aug 18, 2026 Chief Accounting Officer, issuer-wide	18,033	0.04%	-101	Aug 18, 2026	Chief Accounting Officer, issuer-wide
36	VANGUARD BALANCED INDEX FUND Fund S000002560 · Registered fund · Jun 30, 2026 VANGUARD VALLEY FORGE FUNDS, not summed	16,892	0.04%	—	Jun 30, 2026	VANGUARD VALLEY FORGE FUNDS, not summed
37	BANK OF AMERICA CORP /DE/ 13F CIK 70858 · Bank · Jun 30, 2026	16,407	0.04%	-106	Jun 30, 2026
38	Verdad Advisers, LP 13F CIK 1812822 · Unknown · Jun 30, 2026	15,054	0.04%	+15,054	Jun 30, 2026
39	GOLDMAN SACHS GROUP INC 13F CIK 886982 · Holding company · Jun 30, 2026	14,920	0.03%	+178	Jun 30, 2026
40	Squarepoint Ops LLC 13F CIK 1642575 · Registered investment adviser · Jun 30, 2026	13,309	0.03%	-14,163	Jun 30, 2026
41	AAF Wealth Management, LLC 13F CIK 1726609 · Registered investment adviser · Jun 30, 2026	10,678	0.02%	0	Jun 30, 2026
42	HRT FINANCIAL LP 13F CIK 1475597 · Unknown · Jun 30, 2026	10,316	0.02%	+10,316	Jun 30, 2026
43	Marex Group plc 13F CIK 1997464 · Unknown · Jun 30, 2026	10,000	0.02%	-10,000	Jun 30, 2026
44	BAUM CHARLES M Insider CIK 1579824 · May 18, 2026 Director, issuer-wide	9,366	0.02%	—	May 18, 2026	Director, issuer-wide
45	DiRocco Derek Insider CIK 1792061 · May 18, 2026 Director, issuer-wide	9,366	0.02%	—	May 18, 2026	Director, issuer-wide
46	Magovcevic-Liebisch Ivana Insider CIK 1279281 · May 18, 2026 Director, issuer-wide	9,366	0.02%	—	May 18, 2026	Director, issuer-wide
47	Palani Santhosh Insider CIK 2013475 · May 18, 2026 Director, issuer-wide	9,366	0.02%	—	May 18, 2026	Director, issuer-wide
48	Shacham Sharon Insider CIK 1588438 · May 18, 2026 Director, issuer-wide	9,366	0.02%	—	May 18, 2026	Director, issuer-wide
49	TOMSICEK MICHAEL JOHN Insider CIK 1570392 · May 18, 2026 Director, issuer-wide	9,366	0.02%	—	May 18, 2026	Director, issuer-wide
50	FEDERATED HERMES, INC. 13F CIK 1056288 · Investment adviser · Jun 30, 2026	7,924	0.02%	0	Jun 30, 2026

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 69 holders

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Key facts CIK 1781174 CUSIP 004890109 13F (30d) 1 filings 1 filers Visit website Investor relations