Holder snapshot 5 signals
Share change
+1,045
SEC-reported price per share
$1.78
Number of holders
3
Value change
+$1,860
Number of buys
2
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
42,655,924

Security key

004890109

Report period

Q2 2026

Institutions

3

Top holders

3

Ownership snapshot

Top reported holders of ACRV - Acrivon Therapeutics, Inc. - Common Stock, par value $0.001 per share (the "Shares") (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
RA CAPITAL MANAGEMENT, L.P.
Disclosed value leader
RA CAPITAL MANAGEMENT, L.P.
Comparable rows
15/15
Latest evidence
21 May 2026
13D/G 3/4/5 13F Lead comparable stake: 29% 13D/G row: RA CAPITAL MANAGEMENT, L.P. Showing 1-6 of 15 holder rows.

Quick read

RA CAPITAL MANAGEMENT, L.P. leads the comparable SEC ownership view at 29%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens RA CAPITAL MANAGEMENT, L.P.'s linked filing trail.
Comparable ownership Top 5
RA CAPITAL MANAGEMENT, L.P. 29%
Sands Capital Life Sciences Pulse... 6.8%
PERCEPTIVE ADVISORS LLC 7.3%
Kristina Masson 6.2%
Sands Capital Alternatives, LLC 5%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
RA CAPITAL MANAGEMENT, L.P.
13D/G 3/4/5 13F
Director, 10%+ Owner · Company
29%
$15,847,529
12,284,906 shares
+$5,016,666 22 Apr 2026
Sands Capital Life Sciences Pulse Fund II, L.P.
13D/G
6.8%
$2,525,900
2,122,605 shares
$0 30 Jun 2025
PERCEPTIVE ADVISORS LLC
3/4/5
10%+ Owner
7.3%
$4,159,546
3,104,139 shares
30 Apr 2025
Kristina Masson
3/4/5
EVP - Business Operations, Director
6.2%
$3,658,006
2,631,660 shares
21 May 2026
Sands Capital Alternatives, LLC
13F
Company
13F
5%
$2,950,421
2,122,605 shares
31 Mar 2026
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
13F
2.1%
$1,234,501
888,130 shares
31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
3
Shares
11,797
Rows available
3
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2026 vs Q1 2026 Across Filers

Q1 2026 holders
43
Q2 2026 holders
3
Holder diff
-40
Investor Q1 2026 Shares Q2 2026 Shares Share Diff Share Chg % Q1 2026 value Q2 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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