ERAS
ERASCA (ERAS)
NASDAQ
$17.55-$0.08 (-0.48%)
Price as of Aug 21, 2026 7:48 PM EDT
  • $6.2B
    Market Cap
  • 1,001.88%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
FRAZIER LIFE SCIENCES MANAGEMENT, L.P.
7.19%
25.0M
+300,000 (+1.20%)
Jun 30, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
6.10%
21.2M
-73,807 (-0.35%)
Jun 30, 2026
BLACKROCK, INC.
6.09%
21.2M
+1.0M (+4.74%)
Jun 30, 2026
RTW INVESTMENTS, LP
5.17%
17.9M
+1.8M (+9.97%)
Jun 30, 2026
VR ADVISER, LLC
5.15%
17.9M
+1.5M (+8.43%)
Jun 30, 2026
BLACKROCK FUNDING, INC. /DE
4.54%
15.8M
+404,684 (+2.57%)
Dec 31, 2024
VANGUARD GROUP INC
3.69%
12.8M
+324 (+0.003%)
Dec 31, 2025

Current Ownership Distribution

  • Institutions2.9B (86.99%)
  • Mutual Funds420.0M (12.69%)
  • Insiders10.6M (0.32%)
  • Other0 (0.00%)

Insider Transactions

  • 0.32% (10.6M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 1
    Number of InsiderSelling (last 12 months)
  • $300,760.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Fuchs Charles S.
President, R&D
Award
Aug 10, 2026
$0.00
1.3M
$0.00
1.3M
Casdin Alexander W.
Award
Jun 26, 2026
$0.00
29,888
$0.00
29,888
Morris Shannon
Chief Medical Officer
Exempt
Mar 04, 2026
$34,000.00
20,000
$1.70
20,000
Morris Shannon
Chief Medical Officer
Sell
Mar 04, 2026
$300,760.00
20,000
$15.04
0
Varney Michael David
Award
Jan 29, 2026
$0.00
96,000
$0.00
96,000
Lim Jonathan E
Chairman & CEO
Award
Jan 29, 2026
$0.00
2.0M
$0.00
2.0M
Garner Ebun
General Counsel & Corp. Sec.
Award
Jan 29, 2026
$0.00
560,000
$0.00
560,000
Multani Pratik S
Award
Jan 01, 2026
$0.00
19,532
$0.00
19,532
Start Valerie Denise Harding
Award
Jan 01, 2026
$0.00
24,306
$0.00
24,306
LIU JEAN I
Award
Jan 01, 2026
$0.00
20,617
$0.00
20,617
Casdin Alexander W.
Award
Jan 01, 2026
$0.00
23,872
$0.00
23,872
Casdin Alexander W.
Award
Jun 24, 2025
$0.00
120,000
$0.00
120,000
Bristol James Arthur
Award
Jun 24, 2025
$0.00
120,000
$0.00
120,000
Varney Michael David
Award
Jun 24, 2025
$0.00
120,000
$0.00
120,000
LIU JEAN I
Award
Jun 24, 2025
$0.00
120,000
$0.00
120,000
Multani Pratik S
Award
Jun 24, 2025
$0.00
120,000
$0.00
120,000
Start Valerie Denise Harding
Award
Jun 24, 2025
$0.00
120,000
$0.00
120,000
Multani Pratik S
Gift
May 23, 2025
$0.00
6,200
$0.00
166,666
Multani Pratik S
Gift
May 23, 2025
$0.00
6,200
$0.00
6,200
Morris Shannon
Chief Medical Officer
Exempt
Mar 04, 2025
$0.00
20,000
$0.00
515,800
Garner Ebun
General Counsel & Corp. Sec.
Award
Feb 13, 2025
$0.00
50,000
$0.00
50,000
Chacko David M.
CFO and CBO
Award
Feb 03, 2025
$0.00
800,000
$0.00
800,000
Garner Ebun
General Counsel & Corp. Sec.
Award
Feb 03, 2025
$0.00
700,000
$0.00
700,000
Morris Shannon
Chief Medical Officer
Award
Feb 03, 2025
$0.00
780,000
$0.00
780,000
Lim Jonathan E
Chairman & CEO
Award
Feb 03, 2025
$0.00
2.5M
$0.00
2.5M
Bristol James Arthur
Award
Jan 01, 2025
$0.00
45,678
$0.00
45,678
Casdin Alexander W.
Award
Jan 01, 2025
$0.00
28,877
$0.00
28,877
Garner Ebun
General Counsel & Corp. Sec.
Other
Dec 13, 2024
$8,963.28
5,731
$1.56
21,174
Chacko David M.
CFO and CBO
Other
Dec 13, 2024
$19,274.74
12,324
$1.56
262,187