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$ABSI
$9.52 +$0.07 (0.74%) Pre-market

Ownership

13F as of Q2 2026 · 171.6M shares outstanding

Who owns ABSI?

By type of holder
Institutions 88.2% Insiders 7.3% Everyone else 4.5%
Concentration Top 10 holders own 59.8%
FMR LLC 14.8% · ARK Investment Management LLC 7.5%
Institutional ownership
88.2%
+14.6 pts vs last qtr
Institutional holders
196
+32 vs last qtr
Net shares bought
+25.1M
by institutions in Q2 2026
New / sold out
50 / 18
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026
  • Adage Capital Partners GP, L.L.C. NEW +5.7M
  • D. E. Shaw & Co., Inc. +4.6M

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Biggest sellers in Q2 2026
  • Massachusetts Financial Services Co /ma/ SOLD OUT −1.7M
  • Redmile Group, LLC −1.5M

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Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Absci Corp in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2021–FY2025
+175.3%
+28.81% a year
Each share's claim on the business
−63.7%
shrank without buying or selling a share
Spent on buybacks vs paid in stock
— vs $72.3M
over 5 fiscal years
Diluted shares, split-adjusted
48.2M93.2M138.1M2021: 49.7M shares'212022: 90.8M shares'222023: 92.0M shares'232024: 110.2M shares'242025: 136.8M shares'25
Buybacks Stock-based comp
$0$9.7M$19.5M2021 buybacks: $02021 stock comp: $10.6M'212022 buybacks: $02022 stock comp: $12.5M'222023 buybacks: $02023 stock comp: $11.4M'232024 buybacks: $02024 stock comp: $19.5M'242025 buybacks: $02025 stock comp: $18.3M'25

How patient are the owners?

Institutional shares by how long they've been held
5+ years0% 3–5 years53% 1–3 years23% Under 1 year24%
Quarterly turnover
20.1%
of institutional shares changed hands
Top 10 managers, median time held
4.8 years

Super Investors

Investment managers reporting ABSI on Form 13F
F
FMR LLC
Shares
25.4M
% of company
14.81%
Change vs last qtr
+2.9M (+12.7%)
Held since
2021
AI
ARK Investment Management LLC
Shares
12.9M
% of company
7.53%
Change vs last qtr
−800.9K (−5.8%)
Held since
2024

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Institutional Funds

Mutual funds and ETFs reporting ABSI on Form N-PORT; together they hold 38.1% of the company
AG
Position value
$80M
% of company
5.99%
% of the fund
5.14%
As of
July 31, 2026
FG
Fidelity Mt. Vernon Street Trust
Position value
$72.5M
% of company
4.68%
% of the fund
0.07%
As of
August 31, 2026

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Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G
MS
McClain Sean
Insider
Shares
10.9M
% of company
6.35%
Change vs last qtr
—
Held since
—
JC
Jeremy C. Green
5%+ holder13D · 4.9%
Shares
7.6M
% of company
4.43%
Change vs last qtr
—
Held since
—

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