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EcoR1 Capital Portfolio holdings

AUM $2.06B
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

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
Lakefront Biotherapeutics American Depositary Shares
LKFT
+$29.5M
2
SGMO
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
PETX
51
DELISTED
Aratana Therapeutics, Inc.
PETX
– –
-100,000
Closed -$723K
BHVN
52
DELISTED
Biohaven Pharmaceutical Holding Company Ltd.
BHVN
– –
-70,000
Closed -$1.75M
1 2
3

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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.