Skip to main content
ABSI logo

ABSI · Absci Corp · Shareholders & Ownership

Track ABSI — free
$10.04 +0.97 (+10.69%) At close · Oct 21
Market Cap
$1.70B
Shares
171.61M
Volume · Oct 21 5.35M Avg daily vol (3M) 3.39M

Every disclosed holder of ABSI 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.

Who Owns ABSI

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions
Holder group Shares % Out
Institutional (13F) 151,527,639 88.30%
Insiders (Forms 3, 4, 5) 10,329,917 6.02%
13D/G-only blocks 9,039,147 5.27%
Remaining 717,307 0.42%
Registered funds (N-PORT, not summed) 62,062,690 36.16%

Shares outstanding: 171,614,010, 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 ABSI

# Holder Shares
1
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
25,410,048
1.1
Fidelity Growth Company Fund
Fund S000007119 · Registered fund · May 31, 2026
Fidelity Mt. Vernon Street Trust, not summed
7,213,546
1.2
Fidelity Growth Company K6 Fund
Fund S000065696 · Registered fund · May 31, 2026
Fidelity Mt. Vernon Street Trust, not summed
2,262,172
1.3
Fidelity Series Growth Company Fund
Fund S000042626 · Registered fund · May 31, 2026
Fidelity Mt. Vernon Street Trust, not summed
1,971,986
1.4
Select Biotechnology Portfolio
Fund S000007486 · Registered fund · May 31, 2026
Fidelity Select Portfolios, not summed
1,540,796
1.5
Fidelity Small Cap Index Fund
Fund S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
1,514,965
2
ARK Investment Management LLC
13F CIK 1697748 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
12,925,271
2.1
ARK Genomic Revolution ETF
Fund S000042975 · Registered fund · Jul 31, 2026
ARK ETF Trust, not summed
10,287,893
3
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
12,175,302
3.1
iShares Russell 2000 ETF
Fund S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
3,550,981
3.2
iShares Russell 2000 Growth ETF
Fund S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
1,066,503
3.3
iShares Biotechnology ETF
Fund S000004350 · Registered fund · Jun 30, 2026
iShares Trust, not summed
942,544
3.4
iShares Micro-Cap ETF
Fund S000004439 · Registered fund · Jun 30, 2026
iShares Trust, not summed
463,406
3.5
Master Small Cap Index Series
Fund S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
258,621
4
McClain Sean
Insider CIK 1873003 · Oct 12, 2026
Director, Chief Executive Officer, issuer-wide
8,632,262
4.1
Sean McClain
13G CIK 1873003 · Unknown · Sep 30, 2025
Rule 13d-1(d), exempt investor, not summed
11,002,709
5
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
8,097,308
5.1
State Street(R) SPDR(R) S&P(R) Biotech ETF
Fund S000010018 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
5,171,464
5.2
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
49,300
5.3
State Street Total Return V.I.S. Fund
Fund S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
3,492
5.4
State Street Balanced Index Fund
Fund S000082802 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
498
6
AMERIPRISE FINANCIAL INC
13F CIK 820027 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,991,763
6.1
Columbia Acorn Fund
Fund S000009184 · Registered fund · Jun 30, 2026
COLUMBIA ACORN TRUST, not summed
2,889,066
6.2
Columbia Variable Portfolio - Acorn Fund
Fund S000008981 · Registered fund · Jun 30, 2026
COLUMBIA FUNDS VARIABLE SERIES TRUST, not summed
550,486
6.3
Columbia Variable Portfolio - Small Company Growth Fund
Fund S000010658 · Registered fund · Jun 30, 2026
COLUMBIA FUNDS VARIABLE INSURANCE TRUST, not summed
154,210
6.4
Columbia Integrated Small Cap Growth Fund
Fund S000074122 · Registered fund · May 31, 2026
Columbia Funds Series Trust II, not summed
5,406
6.5
Columbia Research Enhanced Small Cap ETF
Fund S000095313 · Registered fund · Jun 30, 2026
Columbia ETF Trust I, not summed
156
7
Redmile Group, LLC
13F CIK 1425738 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,739,675
8
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,122,677
9
ADVANCED MICRO DEVICES INC
13F CIK 2488 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
5,714,285
10
ADAGE CAPITAL PARTNERS GP, L.L.C.
13F CIK 1165408 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,704,820
11
TWO SIGMA INVESTMENTS, LP
13F CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,493,486
12
D. E. Shaw & Co., Inc.
13F CIK 1009207 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
5,239,754
13
Phoenix Venture Partners II, LP
13G CIK 1647900 · Unknown · Mar 31, 2025
Rule 13d-1(d), exempt investor
4,745,115
14
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
4,407,685
15
Alger Associates, Inc. 13-3017981
13G CIK 1000264 · Holding company · Mar 31, 2025
Rule 13d-1(b), qualified institution
4,294,032
16
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,583,163
17
Woodline Partners LP
13F CIK 1784547 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,700,675
18
Siren, L.L.C.
13F CIK 2005245 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
2,474,764
19
BVF INC/IL
13F CIK 1056807 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
2,361,674
20
Columbia Small Cap Growth Fund
Fund S000012073 · Registered fund · May 31, 2026
COLUMBIA FUNDS SERIES TRUST I, not summed
2,266,389
21
Gem Investment Advisors, LLC
13F CIK 1580018 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,170,863
22
BAKER BROS. ADVISORS LP
13F CIK 1263508 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,134,803
23
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,732,324
23.1
Goldman Sachs Small Cap Growth Insights Fund
Fund S000014930 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
22,979
23.2
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
17,741
23.3
Goldman Sachs Small Cap Equity Insights Fund
Fund S000009329 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
12,948
24
Nuveen, LLC
13F CIK 1871926 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,723,979
24.1
Nuveen Quant Small Cap Equity Fund
Fund S000005386 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
975,490
24.2
College Retirement Equities Fund - Total Global Stock Account
Fund S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
364,610
24.3
Nuveen Small Cap Blend Index Fund
Fund S000005367 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
183,252
24.4
Nuveen Equity Index Fund
Fund S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
172,645
24.5
Nuveen Life Small Cap Equity Fund
Fund S000005093 · Registered fund · Jun 30, 2026
TIAA-CREF Life Funds, not summed
20,275
25
ARK Venture Fund
Fund · Registered fund · Jul 31, 2026
ARK Venture Fund, not summed
1,625,506
25.1
ROYCE MICRO-CAP TRUST, INC.
Fund · Registered fund · Jun 30, 2026
ROYCE MICRO-CAP TRUST, INC., not summed
283,342
25.2
Guggenheim Active Allocation Fund
Fund · Registered fund · May 29, 2026
Guggenheim Active Allocation Fund, not summed
287
26
VOLORIDGE INVESTMENT MANAGEMENT, LLC
13F CIK 1556921 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,602,916
27
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,576,119
28
PRICE T ROWE ASSOCIATES INC /MD/
13F CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,489,993
28.1
T. Rowe Price New Horizons Fund, Inc.
Fund S000002106 · Registered fund · Jun 30, 2026
T. ROWE PRICE NEW HORIZONS FUND, INC., not summed
892,000
28.2
T. Rowe Price Extended Equity Market Index Fund
Fund S000002090 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
31,100
28.3
T. Rowe Price Small-Cap Index Fund
Fund S000051327 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
21,101
29
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,374,693
30
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,339,024
31
FRED ALGER MANAGEMENT, LLC
13F CIK 3520 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,176,797
31.1
ALGER SMALL CAP GROWTH FUND
Fund S000009160 · Registered fund · Jul 31, 2026
ALGER FUNDS, not summed
644,405
31.2
Alger Small Cap Growth Portfolio
Fund S000009215 · Registered fund · Jun 30, 2026
ALGER PORTFOLIOS, not summed
339,522
31.3
ALGER SMALL CAP GROWTH INSTITUTIONAL FUND
Fund S000009202 · Registered fund · Jul 31, 2026
ALGER INSTITUTIONAL FUNDS, not summed
186,493
32
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,165,995
32.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
647,914
32.2
Schwab Small-Cap Index Fund
Fund S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
336,107
32.3
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
104,004
32.4
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
78,402
33
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,138,844
34
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,111,815
34.1
Small Cap Index Fund
Fund S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
70,256
35
Sumitomo Mitsui Trust Group, Inc.
13F CIK 1475365 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,025,825
36
Amova Asset Management Americas, Inc.
13F CIK 1480751 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,013,965
37
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
974,122
38
Casdin Capital, LLC
13F CIK 1534261 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
973,260
39
Parkman Healthcare Partners LLC
13F CIK 1777015 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
894,374
40
Integral Health Asset Management, LLC
13F CIK 1773206 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
800,000
41
LAZARD ASSET MANAGEMENT LLC
13F CIK 1207017 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
781,692
42
AQR CAPITAL MANAGEMENT LLC
13F CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
756,541
43
VANGUARD RUSSELL 2000 INDEX FUND
Fund S000030003 · Registered fund · May 31, 2026
VANGUARD SCOTTSDALE FUNDS, not summed
699,542
44
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
600,174
44.1
Dimensional U.S. Small Cap ETF
Fund S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
140,866
44.2
Dimensional U.S. Core Equity 2 ETF
Fund S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
104,351
44.3
U.S. MICRO CAP PORTFOLIO
Fund S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
91,886
44.4
U.S. SMALL CAP PORTFOLIO
Fund S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
65,655
44.5
Dimensional US Core Equity Market ETF
Fund S000069432 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
15,954
45
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
565,999
46
Invesco Ltd.
13F CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
544,933
46.1
Invesco Dorsey Wright Healthcare Momentum ETF
Fund S000013104 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
300,499
46.2
Invesco RAFI US 1500 Small-Mid ETF
Fund S000013120 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
67,194
46.3
Invesco Nasdaq Biotechnology ETF
Fund S000072469 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
8,106
47
GROUP ONE TRADING LLC
13F CIK 932540 · Broker-dealer · Jun 30, 2026
carried, not yet filed for the newest quarter
524,747
48
MARSHALL WACE, LLP
13F CIK 1318757 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
502,407
49
Jonasson Zachariah
Insider CIK 1872568 · Oct 12, 2026
CFO / CBO, issuer-wide
484,918
50
Trexquant Investment LP
13F CIK 1633445 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
481,555

25 more nested rows are not shown here; Every filing lists them all.

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 281 holders

Create a free account to page through every holder, filter by source and group by ultimate parent.

Key facts CIK 1672688 CUSIP 00091E109 13F (30d) 21 filings 21 filers Visit website Investor relations