Casdin Capital, LLC Q2 2017 Filing

Filed August 14, 2017

Portfolio Value

$270.4B

Holdings

34

Report Date

Q2 2017

Filing Type

13F-HR

All Holdings (34 positions)

#StockSharesValue% PortfolioType
1
LOXO ONCOLOGY INC
360,000$28.9B10.68%
2
SG7SAGE THERAPEUTICS INC
255,000$20.3B7.51%
3
FOUNDATION MEDICINE INC
480,000$19.1B7.06%
4
2L9BLUEPRINT MEDICINES CORP
275,000$13.9B5.15%
5
EVHEVOLENT HEALTH INC
520,000$13.2B4.88%
6
AGIOAGIOS PHARMACEUTICALS INC
255,000$13.1B4.85%
7
GBYSANGAMO THERAPEUTICS INC
1,400,000$12.3B4.56%
8
CLVSEURCLOVIS ONCOLOGY INC
130,000$12.2B4.50%
9
XBISPDR SERIES TRUST
150,000$11.6B4.28%Put
10
SPARK THERAPEUTICS INC
170,000$10.2B3.76%
11
GILDGILEAD SCIENCES INC
135,000$9.6B3.53%Call
12
KITE PHARMA INC
90,000$9.3B3.45%
13
ALNYALNYLAM PHARMACEUTICALS INC
105,000$8.4B3.10%
14
GENMARK DIAGNOSTICS INC
685,000$8.1B3.00%
15
EPIZYME INC
520,000$7.9B2.90%
16
AUDENTES THERAPEUTICS INC
400,000$7.7B2.83%
17
BLUEBIRD BIO INC
65,000$6.8B2.53%
18
TESARO INC
48,000$6.7B2.48%
19
VYGRVOYAGER THERAPEUTICS INC
740,000$6.6B2.45%
20
CDXSCODEXIS INC
1,190,000$6.5B2.40%
21
GBTUSDGLOBAL BLOOD THERAPEUTICS IN
215,000$5.9B2.17%
22
ILMNILLUMINA INC
31,500$5.5B2.02%
23
MYOKARDIA INC
395,000$5.2B1.91%
24
SYROS PHARMACEUTICALS INC
182,141$2.9B1.08%
25
CTMXCYTOMX THERAPEUTICS INC
177,500$2.8B1.02%
26
MYGNMYRIAD GENETICS INC
100,000$2.6B0.96%Call
27
OVIDOVID THERAPEUTICS INC
221,700$2.3B0.86%
28
JNCEEURJOUNCE THERAPEUTICS INC
160,000$2.2B0.83%
29
EDITEDITAS MEDICINE INC
133,333$2.2B0.83%
30
MDRXALLSCRIPTS HEALTHCARE SOLUTN
150,000$1.9B0.71%Call
31
FATEFATE THERAPEUTICS INC
550,000$1.8B0.66%
32
AMRSEURAMYRIS INC
500,000$1.6B0.59%
33
PACBPACIFIC BIOSCIENCES CALIF IN
300,000$1.1B0.40%
34
CURIS INC
85,000$161.0M0.06%