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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
+55.36%
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
$750M
AUM Growth
+$187M
Cap. Flow
+$114M
Cap. Flow %
15.17%
Top 10 Hldgs %
73.32%
Holding
52
New
16
Increased
12
Reduced
5
Closed
13
Avg Time Held Equity + Options
0.6 years
Top 10 Avg Time Held Equity + Options
0.7 years
Top 20 Avg Time Held Equity + Options
0.6 years
Avg Time Held Equity only
0.6 years
Top 10 Avg Time Held Equity only
0.8 years
Top 20 Avg Time Held Equity only
0.6 years

Top Buys

Rank Stock Value
1
IMMU
Immunomedics Inc
IMMU
+$28.5M
2
IRWD icon
Ironwood Pharmaceuticals
IRWD
+$28M
3
MYOK
MyoKardia, Inc. Common Stock
MYOK
+$22M
4
ASND icon
Ascendis Pharma A/S
ASND
+$17.9M
5
KURA icon
Kura Oncology
KURA
+$16.3M

Top Sells

Rank Stock Value
1
LKFT icon
Lakefront Biotherapeutics American Depositary Shares
LKFT
+$29.5M
2
SGMO icon
SANGAMO THERAPEUTICS INC
SGMO
+$25.9M
3
EDIT icon
Editas Medicine
EDIT
+$12M
4
TTPH
Tetraphase Pharmaceuticals, Inc.
TTPH
+$4.52M
5
ACHN
Achillion Pharmaceuticals
ACHN
+$3.41M

Sector Composition

Rank Sector Weight
1 Healthcare 97.33%
2 Miscellaneous 2.67%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
PETX
51
DELISTED
Aratana Therapeutics, Inc.
PETX
– –
-100,000
Closed -$723K –
BHVN icon
52
DELISTED
Biohaven Pharmaceutical Holding Company Ltd.
BHVN
– –
-70,000
Closed -$1.75M –
1 2
3

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DWT
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FWTB
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EcoR1 Capital's Q3 2017 Portfolio in Review

As of Q3 2017, EcoR1 Capital held 52 positions worth $750M, up 33% from $563M the previous quarter. Its ten largest holdings account for 73% of the portfolio.

EcoR1 Capital deployed $114M of net new capital in Q3 2017, opening 16 new positions and adding to 12 existing holdings. Its largest new stake was Immunomedics Inc: 2,860,019 shares worth $40M.

By sector, the portfolio is most concentrated in Healthcare at 97% of assets, up from 77% a quarter earlier, followed by Miscellaneous.

On the sell side, the largest reduction was Lakefront Biotherapeutics American Depositary Shares, an estimated $29.5M trimmed.

  • EcoR1 Capital's largest Q3 2017 buy was Immunomedics Inc: 2,860,019 shares worth $40M.
  • EcoR1 Capital added most to Ironwood Pharmaceuticals in Q3 2017, an estimated $28M increase.
  • EcoR1 Capital's biggest Q3 2017 reduction was Lakefront Biotherapeutics American Depositary Shares, cutting an estimated $29.5M.
  • EcoR1 Capital fully exited Editas Medicine in Q3 2017, selling an estimated $12M.
  • EcoR1 Capital's ten largest holdings make up 73% of its $750M portfolio in Q3 2017.
  • EcoR1 Capital opened 16 new positions and closed 13 in Q3 2017.
  • EcoR1 Capital's portfolio value rose 33% quarter-over-quarter to $750M.

Based on EcoR1 Capital's 13F filing for Q3 2017, filed 14 Nov 2017.