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$ACRV
$1.72 -$0.01 (0.58%) Close

Ownership

13F as of Q2 2026 · 42.9M shares outstanding

Who owns ACRV?

By type of holder
Institutions 49.9% Insiders 23.6% Everyone else 26.5%
Concentration Top 10 holders own 129.0%
Peter Kolchinsky 28.7% · Rajeev Shah 28.7%
Institutional ownership
49.9%
+12.0 pts vs last qtr
Institutional holders
46
+2 vs last qtr
Net shares bought
+5.2M
by institutions in Q2 2026
New / sold out
6 / 4
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026
  • Ra Capital Management, L.P. +3.9M
  • Acadian Asset Management LLC +319.1K

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Biggest sellers in Q2 2026
  • Jane Street Group, LLC −165.0K
  • Panagora Asset Management Inc SOLD OUT −33.8K

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Who is planning to sell?

Notices of proposed sale, last 12 months
$30.6K
1 notice from 1 person
Shares covered
14.0K
0.03% of the company
Arranged in advance
0%
of the value is under a 10b5-1 plan
Under a 10b5-1 plan No plan
$0$15.3K$30.6KNovDecJanFebMarAprMayJunJulAug 2026: $30.6K without a planAugSepOct
Largest proposed sellers
  • Peter Blume-Jensen Officer $30.6K
Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2022–FY2025
+834.3%
+110.61% a year
Each share's claim on the business
−89.3%
shrank without buying or selling a share
Spent on buybacks vs paid in stock
— vs $42.8M
over 4 fiscal years
Diluted shares, split-adjusted
4.0M21.4M38.9M2022: 4.1M shares'222023: 22.1M shares'232024: 33.8M shares'242025: 38.5M shares'25
Buybacks Stock-based comp
$0$7.4M$14.7M2022 buybacks: $02022 stock comp: $2.2M'222023 buybacks: $02023 stock comp: $11.6M'232024 buybacks: $02024 stock comp: $14.3M'242025 buybacks: $02025 stock comp: $14.7M'25

How patient are the owners?

Institutional shares by how long they've been held
5+ years0% 3–5 years83% 1–3 years10% Under 1 year7%
Quarterly turnover
17.8%
of institutional shares changed hands
Top 10 managers, median time held
3.3 years

Super Investors

Investment managers reporting ACRV on Form 13F
RC
Ra Capital Management, L.P.
13D · 28.8%
Shares
12.2M
% of company
28.54%
Change vs last qtr
+3.9M (+46.6%)
Held since
2022
SC
Sands Capital Alternatives, LLC
Shares
2.3M
% of company
5.34%
Change vs last qtr
+166.7K (+7.9%)
Held since
2022

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Institutional Funds

Mutual funds and ETFs reporting ACRV on Form N-PORT; together they hold 3.4% of the company
VT
Position value
$971K
% of company
1.27%
% of the fund
0.00%
As of
June 30, 2026
VE
Position value
$693K
% of company
0.91%
% of the fund
0.00%
As of
June 30, 2026

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Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G
PK
Peter Kolchinsky
5%+ holder13D · 28.8%
Shares
12.3M
% of company
28.67%
Change vs last qtr
—
Held since
—
RS
Rajeev Shah
5%+ holder13D · 28.8%
Shares
12.3M
% of company
28.67%
Change vs last qtr
—
Held since
—

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