Ticker · CUSIP 00091E109

ABSI

ABSCI CORPORATION

Healthcare·Biotechnology

···Share

Holders (tracked)

Combined shares

19,038,896

Combined value

$66.45M

Last close

$3.58

Quarter

2025Q4

Price is +2.6% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$3.58+0.49 (+15.86%)H $5.00 · L $2.30 · Avg Vol 4.3M

Position opened

Tracked holders · last 8 quarters

Flat over the last 8 quarters.

SEC event timeline

14 events

Ken Griffin (Citadel Advisors) added2026-02-17
+1,778,545 shares · 2025Q4
Position
AQR Capital Management trimmed2026-02-17
−555 shares · 2025Q4
Position
Two Sigma Investments added2026-02-17
+1,291,261 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−289,572 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+2,085,501 shares · 2025Q4
Position
Wellington Management added2026-02-17
+32,267 shares · 2025Q4
Position
Cathie Wood (ARK Invest) added2026-02-11
+388,026 shares · 2025Q4
Position
AQR Capital Management trimmed2025-11-14
−25,281 shares · 2025Q3
Position
Two Sigma Investments trimmed2025-11-14
−453,283 shares · 2025Q3
Position
D.E. Shaw & Co. exited2025-11-14
−17,908 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+278,961 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+15,863 shares · 2025Q3
Position
Wellington Management trimmed2025-11-14
−404 shares · 2025Q3
Position
Cathie Wood (ARK Invest) added2025-11-12
+2,116,845 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for ABSI →

Follow-the-investor returns

If you'd copied each holder of ABSI…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Izzy Englander (Millennium Mgmt)	2021Q3	$2.81	+27.2%	$785K
AQR Capital Management	2024Q3	$2.83	+26.4%	$125K
T. Rowe Price	2024Q2	$3.43	+4.3%	$7.7M
Two Sigma Investments	2021Q3	$3.46	+3.5%	$5.1M
Ken Griffin (Citadel Advisors)	2021Q4	$3.48	+2.9%	$7.0M
Ken Griffin (Citadel Advisors)	2021Q4	$3.48	+2.9%	$7.0M
Ken Griffin (Citadel Advisors)	2021Q4	$3.48	+2.9%	$7.0M
Cathie Wood (ARK Invest)	2024Q1	$3.58	+0.1%	$44.9M
Wellington Management	2024Q1	$4.07	-12.0%	$1.5M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions0

—

Added to5

Ken Griffin (Citadel Advisors)
+1,778,545
$6.2M
Two Sigma Investments
+1,291,261
$4.5M
Cathie Wood (ARK Invest)
+388,026
$1.4M
Wellington Management
+32,267
$113K
T. Rowe Price
+2,085,501
$7K

Trimmed2

Izzy Englander (Millennium Mgmt)
−289,572
$1.0M
AQR Capital Management
−555
$2K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	3	3,392,822	$28.6M	—
2022Q2	6	3,886,574	$12.9M	+3
2022Q3	7	4,659,008	$14.6M	+1
2022Q4	8	4,893,575	$10.3M	+1
2023Q1	8	5,023,953	$8.8M	—
2023Q2	8	2,627,994	$4.0M	—
2023Q3	8	2,403,098	$3.2M	—
2023Q4	9	1,780,710	$7.5M	+1
2024Q1	10	7,004,398	$39.8M	+1
2024Q2	11	13,976,064	$43.0M	+1
2024Q3	9	8,738,436	$33.4M	-2
2024Q4	8	9,818,211	$25.7M	-1
2025Q1	10	14,228,383	$35.7M	+2
2025Q2	9	11,690,539	$30.0M	-1
2025Q3	9	13,650,923	$41.5M	—
2025Q4	9	19,038,896	$66.4M	—

Who owns ABSI

9 super-investors · 2025Q4

Tracked stake

19.04M

Combined value

$66M

% of shares outstanding

—

shares-out unknown

Quarter action mix

Added7Trim2

#	Manager	Shares	Value	% of book	Last action
1	Cathie Wood ARK Invest	12.55M	$44M	0.3%	Added+388.0K
2	T. Rowe Price	2.16M	$8M	0.0%	Added+2.09M
3	Ken Griffin Citadel Advisors	1.94M	$7M	0.0%	Added+1.78M
4	Two Sigma Investments	1.42M	$5M	0.0%	Added+1.29M
5	Wellington Management	410.1K	$1M	0.0%	Added+32.3K
6	Ken Griffin Citadel Advisors	276.4K	$965K	0.0%	Added+1.78M
7	Izzy Englander Millennium Mgmt	219.3K	$766K	0.0%	Trim−289.6K
8	AQR Capital Management	34.8K	$121K	0.0%	Trim−555
9	Ken Griffin Citadel Advisors	29.3K	$102K	0.0%	Added+1.78M

Recent moves

20 transactions

ADDTwo Sigma Investments
+1,291,261 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+1,778,545 · 2025Q4
ADDWellington Management
+32,267 · 2025Q4
ADDT. Rowe Price
+2,085,501 · 2025Q4
TRIMAQR Capital Management
−555 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−289,572 · 2025Q4
ADDCathie Wood (ARK Invest)
+388,026 · 2025Q4
TRIMAQR Capital Management
−25,281 · 2025Q3
ADDT. Rowe Price
+15,863 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+278,961 · 2025Q3
TRIMTwo Sigma Investments
−453,283 · 2025Q3
TRIMWellington Management
−404 · 2025Q3
SOLDD.E. Shaw & Co.
−17,908 · 2025Q3
ADDCathie Wood (ARK Invest)
+2,116,845 · 2025Q3
NEWD.E. Shaw & Co.
+17,908 · 2025Q2
ADDT. Rowe Price
+19,710 · 2025Q2
ADDWellington Management
+55,142 · 2025Q2
TRIMIzzy Englander (Millennium Mgmt)
−845,167 · 2025Q2
SOLDSteve Cohen (Point72)
−48,140 · 2025Q2
ADDTwo Sigma Investments
+129,339 · 2025Q2

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