EC

EcoR1 Capital, LLC

13F
EcoR1 Capital, LLC
Last update 2025-04-18 59 Stocks (8 new)
Value $2.65 Bil Turnover 12 %
Countries:
Top Holdings: APLS(14.35%)ZYME(8.32%)CRNX(8.29%)JAZZ(7.95%)PRTA(6.07%)
Summary Stock Picks Current Portfolio
EcoR1 Capital, LLC Top Holdings of 2024-12-31 View Full List
Ticker
Company
Shares
Value ($1000)
Shares Change %
Weighting %
Trade Impact %
% of Shares outstanding
3M Change %
YTD Change %
Market Cap $Mil
Industry
APLS 		Apellis Pharmaceuticals Inc
11,890,843
379,436.8
0%
14.350
0%
9.560
-41.70%
-45.19%
2,198.2
Biotechnology
ZYME 		Zymeworks Inc
15,028,079
220,011.1
+11.84%
8.320
+0.88%
21.820
-13.85%
-14.14%
874.6
Biotechnology
CRNX 		Crinetics Pharmaceuticals Inc
4,288,120
219,251.6
0%
8.290
0%
4.620
-16.50%
-36.65%
3,032.6
Biotechnology
JAZZ 		Jazz Pharmaceuticals PLC
1,706,469
210,151.7
0%
7.950
0%
2.820
-9.21%
-10.03%
6,729.2
Biotechnology
PRTA 		Prothena Corp PLC
11,584,280
160,442.3
0%
6.070
0%
21.530
-37.90%
-29.96%
522.1
Biotechnology
XNCR 		Xencor Inc
6,144,767
141,206.8
+15.28%
5.340
+0.71%
8.780
-46.51%
-54.26%
747.8
Biotechnology
PFE CALL 		Pfizer Inc
5,000,000
132,650.0
0%
5.010
0%
0.090
-12.15%
-12.18%
129,989.7
Drug Manufacturers
ARVN 		Arvinas Inc
6,726,491
128,946.8
0%
4.870
0%
9.780
-50.11%
-52.79%
622.4
Biotechnology
ANAB 		AnaptysBio Inc
7,873,448
104,244.4
+1.01%
3.940
+0.04%
25.870
+22.85%
+56.34%
634.8
Biotechnology
SRPT 		Sarepta Therapeutics Inc
770,000
93,624.3
New Holding
3.540
+3.54%
0.810
-48.10%
-50.29%
5,864.6
Biotechnology

EcoR1 Capital, LLC's Historical Top Holdings Breakdowns

EcoR1 Capital, LLC's Top Stock Picks View Full List
Ticker
Company
Date
Action
Impact %
Price Range
Price
Price Change from Avrg%
Comment
Current Shares
Share Change
SRPT 		Sarepta Therapeutics Inc2024-12-31New Buy
+3.54%
●
104.54 ($122.56) 137.94
$60.44
-50.69%
New holding
770,000
770,000
QURE 		uniQure NV2024-12-31New Buy
+2.27%
●
4.54 ($8.7) 17.73
$14.18
62.99%
New holding
3,400,000
3,400,000
SWTX 		SpringWorks Therapeutics Inc2024-12-31New Buy
+2.13%
●
28.61 ($34.98) 42.55
$44.72
27.84%
New holding
1,560,000
1,560,000
CNTA 		Centessa Pharmaceuticals PLC2024-12-31Sold Out
-1.76%
●
15.04 ($16.56) 18.67
$13.79
-16.73%
Sold Out
0
-3,223,851
VRDN 		Viridian Therapeutics Inc2024-12-31Sold Out
-1.53%
●
17.85 ($21.71) 25.71
$13.50
-37.82%
Sold Out
0
-1,958,847
NUVB 		Nuvation Bio Inc2024-12-31Sold Out
-1.51%
●
2.01 ($2.58) 3.01
$2.13
-17.44%
Sold Out
0
-19,209,643
KURA 		Kura Oncology Inc2024-12-31Reduce
-1.50%
●
8.51 ($14.31) 18.58
$6.43
-55.07%
Reduce -38.74%
3,557,269
-2,249,602
PCVX 		Vaxcyte Inc2024-12-31Sold Out
-1.38%
●
80.97 ($99.04) 117.93
$32.92
-66.76%
Sold Out
0
-352,464
EWTX 		Edgewise Therapeutics Inc2024-12-31Sold Out
-1.14%
●
26.63 ($31.91) 36.62
$14.84
-53.49%
Sold Out
0
-1,250,385
ZYME 		Zymeworks Inc2024-12-31Add
+0.88%
●
12.19 ($14.01) 17.4
$12.57
-10.28%
Add 11.84%
15,028,079
1,590,606

EcoR1 Capital, LLC Total Holding History ($B)

To

EcoR1 Capital, LLC's Asset Allocation

To

EcoR1 Capital, LLC Past Portfolios

Portfolio Date Number of Stocks New Stocks Total Value ($Mil) Q/Q Turnover

Top Ranked Articles

  • 1

EcoR1 Capital, LLC's Hypothetical Growth since 2024-12-31

EcoR1 Capital, LLC's Yearly Returns

Year Portfolio % % Excess Gain %

EcoR1 Capital, LLC's Holdings Heat Map

Size field:

EcoR1 Capital, LLC's Holdings Bubble Chart

EcoR1 Capital, LLC News

  • 1

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