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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
+14.51%
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
$997M
AUM Growth
+$109M
Cap. Flow
+$118M
Cap. Flow %
11.83%
Top 10 Hldgs %
74.49%
Holding
41
New
11
Increased
8
Reduced
8
Closed
10
Avg Time Held Equity + Options
0.7 years
Top 10 Avg Time Held Equity + Options
0.9 years
Top 20 Avg Time Held Equity + Options
0.6 years
Avg Time Held Equity only
0.8 years
Top 10 Avg Time Held Equity only
0.9 years
Top 20 Avg Time Held Equity only
0.7 years

Sector Composition

Rank Sector Weight
1 Healthcare 93.61%
2 Miscellaneous 6.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow Held Since
DNLI icon
26
Denali Therapeutics
DNLI
$2.85B
$6.4M 0.64%
325,000
+125,000
+63% +$2.57M
2017 Q4
1 quarter
RYTM icon
27
Rhythm Pharmaceuticals
RYTM
$6.09B
$6.34M 0.64%
318,564
-211,597
-40% -$5.62M
2017 Q4
1 quarter
CRVS icon
28
Corvus Pharmaceuticals
CRVS
$819M
$5.42M 0.54%
469,700
-118,732
-20% -$1.12M
2017 Q2
3 quarters
LUMO icon
29
CALL
DELISTED
Lumos Pharma, Inc. Common Stock
LUMO
$4.06M 0.41%
+62,222
New +$4.41M
2018 Q1
0 quarters
KIN
30
DELISTED
Kindred Biosciences, Inc.
KIN
$2.15M 0.22%
248,680
-296,200
-54% -$2.6M
2014 Q4
13 quarters
GERN icon
31
Geron
GERN
$771M
$1.49M 0.15%
+350,000
New +$946K
2018 Q1
0 quarters
LKFT icon
32
Lakefront Biotherapeutics American Depositary Shares
LKFT
$1.95B
– –
-110,384
Closed -$10.3M –
MDGL icon
33
Madrigal Pharmaceuticals
MDGL
$10.7B
– –
-35,000
Closed -$3.21M –
NTLA icon
34
CALL
Intellia Therapeutics
NTLA
$1.6B
– –
-75,000
Closed -$1.44M –
QURE icon
35
CALL
uniQure
QURE
$1.54B
– –
-263,900
Closed -$5.17M –
XNCR icon
36
Xencor
XNCR
$1.76B
– –
-112,976
Closed -$2.48M –
ONC icon
37
BeOne Medicines Ltd
ONC
$41.8B
– –
-83,667
Closed -$8.18M –
MRTX
38
DELISTED
Mirati Therapeutics, Inc. Common Stock
MRTX
– –
-103,240
Closed -$1.88M –
MYOK
39
DELISTED
MyoKardia, Inc. Common Stock
MYOK
– –
-778,393
Closed -$32.8M –
ONCE
40
CALL
DELISTED
Spark Therapeutics, Inc. Common Stock
ONCE
– –
-455,500
Closed -$23.4M –
CMTA
41
DELISTED
Clementia Pharmaceuticals Inc.
CMTA
– –
-194,166
Closed -$3.69M –

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EcoR1 Capital's Q1 2018 Portfolio in Review

As of Q1 2018, EcoR1 Capital held 41 positions worth $997M, up 12% from $888M the previous quarter. Its ten largest holdings account for 74% of the portfolio.

EcoR1 Capital deployed $118M of net new capital in Q1 2018, opening 11 new positions and adding to 8 existing holdings. Its largest new stake was Arcus Biosciences: 2,236,387 shares worth $34.5M.

By sector, the portfolio is most concentrated in Healthcare at 94% of assets, up from 84% a quarter earlier, followed by Miscellaneous.

On the sell side, the largest reduction was Ascendis Pharma A/S, an estimated $16M trimmed.

  • EcoR1 Capital's largest Q1 2018 buy was Arcus Biosciences: 2,236,387 shares worth $34.5M.
  • EcoR1 Capital added most to Wave Life Sciences in Q1 2018, an estimated $22M increase.
  • EcoR1 Capital's biggest Q1 2018 reduction was Ascendis Pharma A/S, cutting an estimated $16M.
  • EcoR1 Capital fully exited MyoKardia, Inc. Common Stock in Q1 2018, selling an estimated $32.8M.
  • EcoR1 Capital's ten largest holdings make up 74% of its $997M portfolio in Q1 2018.
  • EcoR1 Capital opened 11 new positions and closed 10 in Q1 2018.
  • EcoR1 Capital's portfolio value rose 12% quarter-over-quarter to $997M.

Based on EcoR1 Capital's 13F filing for Q1 2018, filed 15 May 2018.