ABSI
ABSCI (ABSI)
NASDAQ
$9.61+$0.06 (+0.59%)
Price as of Aug 21, 2026 7:30 PM EDT
  • $1.6B
    Market Cap
  • 263.12%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
FMR LLC
15.00%
25.4M
+2.9M (+11.25%)
Jun 30, 2026
ARK INVESTMENT MANAGEMENT LLC
7.63%
12.9M
-800,898 (-6.20%)
Jun 30, 2026
BLACKROCK, INC.
7.19%
12.2M
+920,108 (+7.56%)
Jun 30, 2026
STATE STREET CORP
4.78%
8.1M
+772,450 (+9.54%)
Jun 30, 2026
VANGUARD GROUP INC
4.67%
7.9M
+628,287 (+7.94%)
Dec 31, 2025
AMERIPRISE FINANCIAL INC
4.13%
7.0M
+3.8M (+54.52%)
Jun 30, 2026
REDMILE GROUP, LLC
3.98%
6.7M
-1.5M (-22.46%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions1.3B (74.69%)
  • Mutual Funds409.8M (23.11%)
  • Insiders39.0M (2.20%)
  • Other0 (0.00%)

Insider Transactions

  • 2.20% (39.0M)
    Current InsiderOwnership (%, shares)
  • 3
    Number of InsiderBuying (last 12 months)
  • $1.2M
    Amount of InsiderBuying (last 12 months)
  • 2
    Number of InsiderSelling (last 12 months)
  • $25.9M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Somaratne Ransi Mudalinayake
CMO, Head of R&D
Award
Aug 03, 2026
$0.00
383,000
$0.00
383,000
McClain Sean
Chief Executive Officer
In Kind
Jun 24, 2026
$603,452.20
59,896
$10.07
8.7M
Busch Andreas
Chief Innovation Officer
Buy
Mar 12, 2026
$229,000.00
100,000
$2.29
421,446
Walker Shelby J.
Chief Legal Officer
In Kind
Mar 03, 2026
$27,510.00
9,825
$2.80
139,775
Somaratne Ransi Mudalinayake
CMO, Head of R&D
Award
Mar 03, 2026
$0.00
650,000
$0.00
650,000
Pangalos Menelas N
Award
Mar 02, 2026
$0.00
22,800
$0.00
22,800
Walker Shelby J.
Chief Legal Officer
Award
Mar 02, 2026
$0.00
356,300
$0.00
356,300
Pangalos Menelas N
Award
Mar 02, 2026
$0.00
5,800
$0.00
194,855
Jonasson Zachariah
CFO / CBO
In Kind
Mar 02, 2026
$22,761.18
8,307
$2.74
375,231
Walker Shelby J.
Chief Legal Officer
Award
Mar 02, 2026
$0.00
90,300
$0.00
149,600
McClain Sean
Chief Executive Officer
Exempt
Feb 23, 2026
$0.00
396,399
$0.00
0
McClain Sean
Chief Executive Officer
Exempt
Feb 23, 2026
$479,642.79
396,399
$1.21
8.7M
McClain Sean
Chief Executive Officer
In Kind
Feb 23, 2026
$707,571.20
267,008
$2.65
8.5M
Busch Andreas
Chief Innovation Officer
In Kind
Feb 03, 2026
$4,392.31
1,469
$2.99
322,703
Bedrick Todd
SVP, CAO
In Kind
Feb 02, 2026
$10,940.41
3,659
$2.99
172,624
McClain Sean
Chief Executive Officer
Sell
Feb 02, 2026
$80,015.39
26,761
$2.99
8.3M
Jonasson Zachariah
CFO / CBO
Sell
Feb 02, 2026
$52,313.04
17,496
$2.99
383,538
Busch Andreas
Chief Innovation Officer
In Kind
Oct 14, 2025
$11,378.56
3,092
$3.68
324,172
Bedrick Todd
SVP, CAO
In Kind
Oct 14, 2025
$80,776.00
21,950
$3.68
161,283
Jonasson Zachariah
CFO / CBO
In Kind
Oct 14, 2025
$1,424.16
387
$3.68
409,354
Pangalos Menelas N
Buy
Sep 22, 2025
$254,788.10
95,785
$2.66
113,960
Bedrick Todd
SVP, CAO
Buy
Sep 22, 2025
$27,000.00
10,000
$2.70
180,428
Szela Mary T
Award
Jul 07, 2025
$0.00
178,400
$0.00
178,400
Pangalos Menelas N
Award
Jun 11, 2025
$0.00
57,400
$0.00
57,400
Houten Frans Van
Award
Jun 11, 2025
$0.00
57,400
$0.00
57,400
Sirosh Joseph
Award
Jun 11, 2025
$0.00
57,400
$0.00
57,400
Houten Frans Van
Award
Jun 11, 2025
$0.00
14,500
$0.00
23,320
Pangalos Menelas N
Award
Jun 11, 2025
$0.00
14,500
$0.00
18,175
Sirosh Joseph
Award
Jun 11, 2025
$0.00
14,500
$0.00
23,320
Jonasson Zachariah
CFO / CBO
In Kind
May 31, 2025
$13,764.10
5,194
$2.65
418,060