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EcoR1 Capital

EcoR1 Capital Portfolio holdings

AUM $2.06B Turnover 46.34%
1-Year Est. Return 215.32%
This Fund
S&P 500
This Quarter Est. Return
+39.96%
1 Year Est. Return
+215.32%
3 Year Est. Return
+310.3%
5 Year Est. Return
+497.45%
10 Year Est. Return
+14,692.23%
AUM
$3.39B
AUM Growth
+$491M
Cap. Flow
-$110M
Cap. Flow %
-3.26%
Top 10 Hldgs %
67.91%
Holding
89
New
9
Increased
10
Reduced
15
Closed
13
Avg Time Held Equity + Options
1.1 years
Top 10 Avg Time Held Equity + Options
1.5 years
Top 20 Avg Time Held Equity + Options
1.3 years
Avg Time Held Equity only
1.2 years
Top 10 Avg Time Held Equity only
1.5 years
Top 20 Avg Time Held Equity only
1.3 years

Sector Composition

Rank Sector Weight
1 Healthcare 99.27%
2 Financials 0.56%
3 Miscellaneous 0.17%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow Held Since
VYGR icon
26
Voyager Therapeutics
VYGR
$117M
$28.1M 0.83%
4,753,907
– –
2021 Q3
4 quarters
CRNX icon
27
DELISTED
Crinetics Pharmaceuticals
CRNX
$26.1M 0.77%
1,330,263
– –
2021 Q4
3 quarters
JANX icon
28
Janux Therapeutics
JANX
$1.01B
$19.2M 0.57%
1,421,319
– –
2021 Q2
5 quarters
KYMR icon
29
Kymera Therapeutics
KYMR
$8.71B
$17.3M 0.51%
+796,093
New +$21M
2022 Q3
0 quarters
TNGX icon
30
Tango Therapeutics
TNGX
$3.72B
$15.2M 0.45%
4,201,414
+1,899,349
+83% +$8.11M
2020 Q3
8 quarters
CGEM icon
31
Cullinan Oncology
CGEM
$832M
$14.7M 0.43%
1,143,218
-26,671
-2% -$359K
2022 Q2
1 quarter
VTYX icon
32
DELISTED
Ventyx Biosciences
VTYX
$14M 0.41%
400,000
-900,000
-69% -$19.9M
2021 Q4
3 quarters
KDNY
33
DELISTED
Chinook Therapeutics, Inc. Common Stock
KDNY
$13.6M 0.4%
690,000
– –
2022 Q1
2 quarters
AKUS
34
DELISTED
Akouos Inc
AKUS
$13.4M 0.39%
1,975,984
– –
2020 Q2
9 quarters
CNTA
35
DELISTED
Centessa Pharmaceuticals
CNTA
$13M 0.38%
3,236,352
+2,944,032
+1,007% +$13.5M
2021 Q2
5 quarters
OVID icon
36
Ovid Therapeutics
OVID
$420M
$11.3M 0.33%
6,117,400
– –
2021 Q1
6 quarters
ORIC icon
37
Oric Pharmaceuticals
ORIC
$1.28B
$10.9M 0.32%
3,418,068
– –
2020 Q2
9 quarters
PSTX icon
38
DELISTED
Poseida Therapeutics, Inc. Common Stock
PSTX
$9.36M 0.28%
+2,650,000
New +$8.76M
2022 Q3
0 quarters
ARQT icon
39
Arcutis Biotherapeutics
ARQT
$3.62B
$7.94M 0.23%
415,322
-480,181
-54% -$10.9M
2022 Q1
2 quarters
NGM
40
DELISTED
NGM Biopharmaceuticals, Inc. Common Stock
NGM
$7.08M 0.21%
541,108
– –
2022 Q1
2 quarters
HOOK icon
41
DELISTED
HOOKIPA Pharma
HOOK
$6.7M 0.2%
500,000
– –
2022 Q1
2 quarters
DTIL icon
42
Precision BioSciences
DTIL
$159M
$6.55M 0.19%
167,866
– –
2022 Q2
1 quarter
ARGX icon
43
argenx
ARGX
$51.5B
$6.19M 0.18%
17,527
-107,473
-86% -$39.8M
2022 Q1
2 quarters
GRCL
44
DELISTED
Gracell Biotechnologies Inc. American Depositary Shares
GRCL
$6.19M 0.18%
1,921,310
– –
2022 Q1
2 quarters
RNAC icon
45
Cartesian Therapeutics
RNAC
$190M
$5.74M 0.17%
116,667
– –
2022 Q2
1 quarter
GERN icon
46
Geron
GERN
$752M
$5.39M 0.16%
2,301,980
-11,867,008
-84% -$26.6M
2022 Q1
2 quarters
AVEO
47
DELISTED
AVEO Pharmaceuticals, Inc.
AVEO
$5.35M 0.16%
650,489
+3,000
+0.5% +$23K
2022 Q2
1 quarter
ERAS icon
48
Erasca
ERAS
$4.68B
$5.29M 0.16%
678,441
– –
2021 Q3
4 quarters
LENZ icon
49
LENZ Therapeutics
LENZ
$103M
$5.02M 0.15%
226,019
+59,993
+36% +$1.43M
2021 Q4
3 quarters
JYAC
50
DELISTED
Jiya Acquisition Corp. Class A Common Stock
JYAC
$4.98M 0.15%
500,000
– –
2020 Q4
7 quarters

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EcoR1 Capital's Q3 2022 Portfolio in Review

As of Q3 2022, EcoR1 Capital held 89 positions worth $3.39B, up 17% from $2.9B the previous quarter. Its ten largest holdings account for 68% of the portfolio.

EcoR1 Capital withdrew a net $110M in Q3 2022, closing 13 positions and reducing 15 holdings. Its most notable exit was Cerevel Therapeutics Holdings, Inc. Common Stock, an estimated $43.5M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 99% of assets, up from 98% a quarter earlier, followed by Financials and Miscellaneous.

Against the trend, EcoR1 Capital opened a new position in SpringWorks Therapeutics worth $98.7M.

  • EcoR1 Capital's largest Q3 2022 buy was SpringWorks Therapeutics: 3,460,208 shares worth $98.7M.
  • EcoR1 Capital added most to Centessa Pharmaceuticals in Q3 2022, an estimated $13.5M increase.
  • EcoR1 Capital's biggest Q3 2022 reduction was Seagen Inc. Common Stock, cutting an estimated $118M.
  • EcoR1 Capital fully exited Cerevel Therapeutics Holdings, Inc. Common Stock in Q3 2022, selling an estimated $43.5M.
  • EcoR1 Capital's ten largest holdings make up 68% of its $3.39B portfolio in Q3 2022.
  • EcoR1 Capital opened 9 new positions and closed 13 in Q3 2022.
  • EcoR1 Capital's portfolio value rose 17% quarter-over-quarter to $3.39B.

Based on EcoR1 Capital's 13F filing for Q3 2022, filed 14 Nov 2022.