ACRV · Acrivon Therapeutics, Inc.

$2.06 -0.09 (-4.19%)

Market Cap

$89.13M

42.85M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 46

Total Value: $38,096,524

Total Shares: 21,402,557

Institutional Ownership Trend

15 quarters

Holder Concentration

Across 46 13F filers · Δ vs Mar 31, 2026

Top Holder

57.1%

+5.8 pts

Top 5

81.9%

+2.1 pts

Top 10

93.9%

+0.9 pts

HHI

3,482

Highly concentrated+547

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +2

Institutional value: +68.8%

Shares held: +31.8%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Large RA CAPITAL MANAGEMENT, L.P.	+3,888,888	12,229,396
Large ACADIAN ASSET MANAGEMENT LLC	+319,146	1,165,119
Mega TWO SIGMA INVESTMENTS, LP	+252,103	641,498
Mega VANGUARD CAPITAL MANAGEMENT LLC	+229,973	952,008
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC	+220,000	378,900

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega JANE STREET GROUP, LLC	−165,043	74,648
Mega MORGAN STANLEY	−31,438	5,233
Large MARSHALL WACE, LLP	−28,580	531,856
Large Squarepoint Ops LLC	−14,163	13,309
Large Marex Group plc	−10,000	10,000

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega CITADEL ADVISORS LLC	41,276	$73,471
Micro Spark Investment Management LLC	28,300	$50,374
Small Verdad Advisers, LP	15,054	$26,796
Large HRT FINANCIAL LP	10,316	$18,362
Small Crews Bank & Trust	1,044	$1,858

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large PANAGORA ASSET MANAGEMENT INC	33,814	$47,001
Small TWO SIGMA SECURITIES, LLC	11,679	$16,233
Mega Vanguard Global Advisers, LLC	4,453	$6,189
Mega WELLS FARGO & COMPANY/MN	3,000	$4,170

Filter: New 6 Increased 21 Reduced 9 Sold out 4 Unchanged 10

Showing 46 of 46

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

RA CAPITAL MANAGEMENT, L.P.

$21,768,324

57.14%

12,229,396

Sands Capital Alternatives, LLC

$4,074,902

10.70%

2,289,271

ACADIAN ASSET MANAGEMENT LLC

$2,073,911

5.44%

1,165,119

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	1,165,119	$2,073,911	100.0%	Defined

VANGUARD CAPITAL MANAGEMENT LLC

$1,694,574

4.45%

952,008

WELLINGTON MANAGEMENT GROUP LLP

$1,580,871

4.15%

888,130

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Wellington Management Company LLP	888,130	$1,580,871	100.0%	Defined

RENAISSANCE TECHNOLOGIES LLC

$1,350,776

3.55%

758,863

TWO SIGMA INVESTMENTS, LP

$1,141,866

3.00%

641,498

MARSHALL WACE, LLP

$946,702

2.49%

531,856

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	531,856	$946,702	100.0%	Other

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$674,442

1.77%

378,900

GEODE CAPITAL MANAGEMENT, LLC

$472,128

1.24%

265,241

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	40,817	$72,654	15.4%	Defined
Held directly	224,424	$399,474	84.6%	Defined

BlackRock, Inc.

$425,617

1.12%

239,112

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	10,603	$18,873	4.4%	Sole
BlackRock Investment Management, LLC	20,220	$35,991	8.5%	Sole
BlackRock Fund Advisors	73,869	$131,486	30.9%	Sole
BlackRock Institutional Trust Company, N.A.	134,420	$239,267	56.2%	Sole

GSA CAPITAL PARTNERS LLP

$356,738

0.94%

200,415

VANGUARD FIDUCIARY TRUST CO

$327,747

0.86%

184,128

XTX Topco Ltd

$317,265

0.83%

178,239

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	178,239	$317,265	100.0%	Defined

JANE STREET GROUP, LLC

$132,872

0.35%

74,648

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	66,205	$117,844	88.7%	Defined
Jane Street Global Trading, LLC	8,443	$15,028	11.3%	Defined

NORTHERN TRUST CORP

$119,619

0.31%

67,202

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	67,202	$119,619	100.0%	Defined

STATE STREET CORP

$119,518

0.31%

67,145

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	67,145	$119,518	100.0%	Defined

UBS Group AG

$78,052

0.20%

43,850

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	36,705	$65,334	83.7%	Defined
UBS Securities LLC	7,145	$12,718	16.3%	Defined

CITADEL ADVISORS LLC

$73,471

0.19%

41,276

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	41,276	$73,471	100.0%	Defined

DIMENSIONAL FUND ADVISORS LP

$52,209

0.14%

29,332

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	1,702	$3,029	5.8%	Defined
Dimensional Ireland Ltd	13,829	$24,615	47.1%	Defined
Held directly	13,801	$24,565	47.1%	Sole

Spark Investment Management LLC

$50,374

0.13%

28,300

PRELUDE CAPITAL MANAGEMENT, LLC

$42,746

0.11%

24,015

BANK OF AMERICA CORP /DE/

$29,204

0.08%

16,407

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	16,407	$29,204	100.0%	Defined

Verdad Advisers, LP

$26,796

0.07%

15,054

GOLDMAN SACHS GROUP INC

$26,557

0.07%

14,920

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	14,920	$26,557	100.0%	Defined

Squarepoint Ops LLC

$23,690

0.06%

13,309

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	13,309	$23,690	100.0%	Defined

AAF Wealth Management, LLC

$19,006

0.05%

10,678

HRT FINANCIAL LP

$18,362

0.05%

10,316

Marex Group plc

$17,800

0.05%

10,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marex Financial	10,000	$17,800	100.0%	Defined

FEDERATED HERMES, INC.

$14,104

0.04%

7,924

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
FEDERATED MDTA LLC	7,924	$14,104	100.0%	Defined

BARCLAYS PLC

$13,089

0.03%

7,354

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	5,940	$10,573	80.8%	Defined
BARCLAYS CAPITAL INC.	1,414	$2,516	19.2%	Defined

FMR LLC

$12,383

0.03%

6,957

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	6,957	$12,383	100.0%	Defined

MORGAN STANLEY

$9,314

0.02%

5,233

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO. LLC	861	$1,532	16.4%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	4,372	$7,782	83.6%	Defined

Tower Research Capital LLC (TRC)

$2,985

0.01%

1,677

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	1,677	$2,985	100.0%	Defined

Crews Bank & Trust

$1,858

0.00%

1,044

JPMORGAN CHASE & CO

$1,335

0.00%

751

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	131	$233	17.5%	Defined
J.P. Morgan Securities LLC	528	$939	70.3%	Defined
J.P. Morgan Securities plc	92	$163	12.2%	Defined

NISA INVESTMENT ADVISORS, LLC

$1,039

0.00%

584

BNP PARIBAS ARBITRAGE, SA

$955

0.00%

537

Redwood Park Advisors LLC

$890

0.00%

500

Russell Investments Group, Ltd.

$856

0.00%

481

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	481	$856	100.0%	Defined

Federation des caisses Desjardins du Quebec

$712

0.00%

400

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Desjardins Securities inc.	400	$712	100.0%	Defined

Steward Partners Investment Advisory, LLC

$580

0.00%

326

SBI Securities Co., Ltd.

$133

0.00%

Caitong International Asset Management Co., Ltd

$89

0.00%

ROYAL BANK OF CANADA

$53

0.00%

CITIGROUP INC

$10

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	6	$10	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO CLEARING SERVICES, LLC	3,000	$4,170	100.0%	Defined

Key facts CIK 1781174 CUSIP 004890109 13F (30d) 44 filings 44 filers Visit website Investor relations