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Rock Springs Capital Management Portfolio holdings

AUM $1.7B
1-Year Est. Return 93.03%
This Fund
S&P 500
This Quarter Est. Return
+8.6%
1 Year Est. Return
+93.03%
3 Year Est. Return
+228.43%
5 Year Est. Return
+368.14%
10 Year Est. Return
+4,607.77%
AUM
$1.35B
AUM Growth
+$157M
Cap. Flow
+$100M
Cap. Flow %
7.42%
Top 10 Hldgs %
27.65%
Holding
142
New
12
Increased
63
Reduced
5
Closed
5

Top Buys

Rank Stock Value
1
SHPG
Shire pic
SHPG
+$21.7M
2
CI icon
Cigna
CI
+$11.2M
3
GWPH
GW Pharmaceuticals Plc American Depositary Shares
GWPH
+$10.4M
4
CLSD
Clearside Biomedical
CLSD
+$9.46M
5
HOLX
Hologic
HOLX
+$7.96M

Top Sells

Rank Stock Value
1
BXLT
BAXALTA INC COM STK (DE)
BXLT
+$32.7M
2
ELV icon
Elevance Health
ELV
+$16.8M
3
ANAC
ANACOR PHARMACEUTICALS INC COM
ANAC
+$9.49M
4
COO icon
Cooper Companies
COO
+$7.33M
5
INOV
Inovalon Holdings, Inc. Class A Common Stock
INOV
+$5.78M

Sector Composition

Rank Sector Weight
1 Healthcare 77.95%
2 Financials 3.98%
3 Industrials 0.47%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AET
1
DELISTED
Aetna Inc
AET
$53.7M 3.98%
440,100
+29,100
+7% +$3.34M
ACHC icon
2
Acadia Healthcare
ACHC
$2.52B
$46.4M 3.43%
837,000
+87,500
+12% +$5.12M
AGN
3
DELISTED
Allergan plc
AGN
$41.9M 3.1%
181,100
+10,100
+6% +$2.33M
TSRO
4
DELISTED
TESARO, Inc.
TSRO
$40.3M 2.99%
480,000
+100,500
+26% +$4.48M
PFE icon
5
Pfizer
PFE
$143B
$37.2M 2.75%
1,112,813
+18,445
+2% +$589K
HCA icon
6
HCA Healthcare
HCA
$90.6B
$33.1M 2.45%
430,000
– –
RDUS
7
DELISTED
Radius Health, Inc.
RDUS
$31.9M 2.36%
867,500
+59,000
+7% +$2.08M
ONCE
8
DELISTED
Spark Therapeutics, Inc. Common Stock
ONCE
$31.2M 2.31%
610,000
+29,500
+5% +$1.26M
ISRG icon
9
Intuitive Surgical
ISRG
$127B
$29.1M 2.15%
396,000
+18,000
+5% +$1.27M
GILD icon
10
Gilead Sciences
GILD
$165B
$28.7M 2.12%
343,700
+13,400
+4% +$1.19M
AAAP
11
DELISTED
Advanced Accelerator Applications S.A.
AAAP
$27.8M 2.06%
921,000
+88,000
+11% +$2.8M
ALXN
12
DELISTED
Alexion Pharmaceuticals
ALXN
$27.5M 2.04%
235,500
+7,750
+3% +$1.1M
CI icon
13
Cigna
CI
$78.4B
$26.5M 1.96%
206,800
+84,800
+70% +$11.2M
WCG
14
DELISTED
Wellcare Health Plans, Inc.
WCG
$25.2M 1.86%
234,500
+4,500
+2% +$440K
CELG
15
DELISTED
Celgene Corp
CELG
$25.1M 1.86%
254,500
+15,000
+6% +$1.55M
GWPH
16
DELISTED
GW Pharmaceuticals Plc American Depositary Shares
GWPH
$24.7M 1.83%
270,000
+123,000
+84% +$10.4M
MDCO
17
DELISTED
Medicines Co
MDCO
$22.9M 1.69%
680,500
+48,500
+8% +$1.71M
SHPG
18
DELISTED
Shire pic
SHPG
$22.1M 1.64%
+120,042
New +$21.7M
LLY icon
19
Eli Lilly
LLY
$1.08T
$21.7M 1.61%
276,000
– –
TEVA icon
20
Teva Pharmaceuticals
TEVA
$40.4B
$19.8M 1.47%
395,000
– –
NBIX icon
21
Neurocrine Biosciences
NBIX
$18.2B
$18.6M 1.38%
409,500
+5,000
+1% +$230K
ACRS icon
22
Aclaris Therapeutics
ACRS
$715M
$18.5M 1.37%
1,000,000
+104,500
+12% +$2.07M
HTWR
23
DELISTED
HEARTWARE INTERNATIONAL INC COM STK (DE)
HTWR
$18M 1.33%
311,000
+118,000
+61% +$3.86M
PCRX icon
24
Pacira BioSciences
PCRX
$1.04B
$15.9M 1.18%
472,500
+146,000
+45% +$7.18M
TBPH icon
25
Theravance Biopharma
TBPH
$873M
$15.9M 1.18%
700,000
+49,500
+8% +$1.07M
1
2 3 4 5

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ACM
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PP
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FDP
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GAM
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Rock Springs Capital Management's Q2 2016 Portfolio in Review

As of Q2 2016, Rock Springs Capital Management held 142 positions worth $1.35B, up 13% from $1.19B the previous quarter. Its ten largest holdings account for 28% of the portfolio.

Rock Springs Capital Management deployed $100M of net new capital in Q2 2016, opening 12 new positions and adding to 63 existing holdings. Its largest new stake was Shire pic: 120,042 shares worth $22.1M.

By sector, the portfolio is most concentrated in Healthcare at 78% of assets, up from 78% a quarter earlier, followed by Financials and Industrials.

On the sell side, the largest reduction was Inovalon Holdings, Inc. Class A Common Stock, an estimated $5.78M trimmed.

  • Rock Springs Capital Management's largest Q2 2016 buy was Shire pic: 120,042 shares worth $22.1M.
  • Rock Springs Capital Management added most to Cigna in Q2 2016, an estimated $11.2M increase.
  • Rock Springs Capital Management's biggest Q2 2016 reduction was Inovalon Holdings, Inc. Class A Common Stock, cutting an estimated $5.78M.
  • Rock Springs Capital Management fully exited BAXALTA INC COM STK (DE) in Q2 2016, selling an estimated $32.7M.
  • Rock Springs Capital Management's ten largest holdings make up 28% of its $1.35B portfolio in Q2 2016.
  • Rock Springs Capital Management opened 12 new positions and closed 5 in Q2 2016.
  • Rock Springs Capital Management's portfolio value rose 13% quarter-over-quarter to $1.35B.

Based on Rock Springs Capital Management's 13F filing for Q2 2016, filed 15 Aug 2016.