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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
+15.83%
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
$434M
AUM Growth
+$154M
Cap. Flow
+$130M
Cap. Flow %
30.03%
Top 10 Hldgs %
39.11%
Holding
88
New
19
Increased
48
Reduced
6
Closed
13

Top Buys

Rank Stock Value
1
JNJ icon
Johnson & Johnson
JNJ
+$23.2M
2
AVDL
Avadel Pharmaceuticals
AVDL
+$8.04M
3
ABBV icon
AbbVie
ABBV
+$6.82M
4
ITMN
INTERMUNE INC
ITMN
+$6.35M
5
AGN
Allergan plc
AGN
+$6.29M

Top Sells

Rank Stock Value
1
XLV icon
State Street Health Care Select Sector SPDR ETF
XLV
+$9.8M
2
GENT
GENTIUM SPA ADS
GENT
+$6.82M
3
AET
Aetna Inc
AET
+$4.27M
4
PBYI icon
Puma Biotechnology
PBYI
+$3.26M
5
EW icon
Edwards Lifesciences
EW
+$2.79M

Sector Composition

Rank Sector Weight
1 Healthcare 79.37%
2 Industrials 1.53%
3 Technology 0.49%
4 Financials 0%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CAH icon
26
Cardinal Health
CAH
$55.4B
$5.32M 1.23%
76,000
+12,000
+19% +$834K
FRX
27
DELISTED
FOREST LABORATORIES INC
FRX
$4.98M 1.15%
54,000
+20,000
+59% +$1.61M
NBIX icon
28
Neurocrine Biosciences
NBIX
$16.6B
$4.83M 1.11%
+300,000
New +$5.13M
HTWR
29
DELISTED
HEARTWARE INTERNATIONAL INC COM STK (DE)
HTWR
$4.69M 1.08%
50,000
+17,250
+53% +$1.68M
WBA
30
DELISTED
Walgreens Boots Alliance
WBA
$4.66M 1.07%
70,500
+6,500
+10% +$409K
EVHC
31
DELISTED
Envision Healthcare Holdings Inc
EVHC
$4.65M 1.07%
+45,925
New +$4.6M
PRGO icon
32
Perrigo
PRGO
$1.78B
$4.41M 1.02%
+28,500
New +$4.5M
ICPT
33
DELISTED
Intercept Pharmaceuticals, Inc.
ICPT
$4.29M 0.99%
13,000
-3,500
-21% -$1.18M
PCRX icon
34
Pacira BioSciences
PCRX
$997M
$4.27M 0.98%
61,000
+10,500
+21% +$714K
TSRO
35
DELISTED
TESARO, Inc.
TSRO
$3.82M 0.88%
129,500
+71,250
+122% +$2.24M
UHS icon
36
Universal Health Services
UHS
$10.5B
$3.69M 0.85%
45,000
+16,500
+58% +$1.33M
SRCL
37
DELISTED
Stericycle Inc
SRCL
$3.52M 0.81%
+31,000
New +$3.58M
HCA icon
38
HCA Healthcare
HCA
$89.5B
$3.52M 0.81%
67,000
+9,000
+16% +$448K
FPRX
39
DELISTED
Five Prime Therapeutics, Inc.
FPRX
$3.44M 0.79%
+175,000
New +$2.97M
MDCO
40
DELISTED
Medicines Co
MDCO
$3.41M 0.79%
120,000
+87,500
+269% +$2.9M
INCY icon
41
Incyte
INCY
$24.4B
$3.4M 0.78%
63,500
+22,000
+53% +$1.37M
CVD
42
DELISTED
COVANCE INC.
CVD
$3.38M 0.78%
32,500
+7,000
+27% +$694K
WCG
43
DELISTED
Wellcare Health Plans, Inc.
WCG
$3.27M 0.75%
51,500
+35,000
+212% +$2.27M
PCYC
44
DELISTED
PHARMACYCLICS INC
PCYC
$3.16M 0.73%
31,500
+13,000
+70% +$1.69M
ATHN
45
DELISTED
Athenahealth, Inc.
ATHN
$3.13M 0.72%
19,500
– –
CRL icon
46
Charles River Laboratories
CRL
$12.8B
$2.99M 0.69%
+49,500
New +$2.89M
DRNA
47
DELISTED
Dicerna Pharmaceuticals, Inc.
DRNA
$2.97M 0.68%
+105,000
New +$3.9M
CO
48
DELISTED
Global Cord Blood Corporation
CO
$2.87M 0.66%
717,500
+342,889
+92% +$1.39M
FEIC
49
DELISTED
FEI COMPANY
FEIC
$2.83M 0.65%
27,500
+3,000
+12% +$295K
SRGA
50
DELISTED
Surgalign Holdings, Inc. Common Stock
SRGA
$2.8M 0.65%
+22,879
New +$2.48M
1
2
3 4

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Rock Springs Capital Management's Q1 2014 Portfolio in Review

As of Q1 2014, Rock Springs Capital Management held 88 positions worth $434M, up 55% from $280M the previous quarter. Its ten largest holdings account for 39% of the portfolio.

Rock Springs Capital Management deployed $130M of net new capital in Q1 2014, opening 19 new positions and adding to 48 existing holdings. Its largest new stake was Johnson & Johnson: 250,000 shares worth $24.6M.

By sector, the portfolio is most concentrated in Healthcare at 79% of assets, up from 73% a quarter earlier, followed by Industrials and Technology.

On the sell side, the largest reduction was State Street Health Care Select Sector SPDR ETF, an estimated $9.8M trimmed.

  • Rock Springs Capital Management's largest Q1 2014 buy was Johnson & Johnson: 250,000 shares worth $24.6M.
  • Rock Springs Capital Management added most to AbbVie in Q1 2014, an estimated $6.82M increase.
  • Rock Springs Capital Management's biggest Q1 2014 reduction was State Street Health Care Select Sector SPDR ETF, cutting an estimated $9.8M.
  • Rock Springs Capital Management fully exited GENTIUM SPA ADS in Q1 2014, selling an estimated $6.82M.
  • Rock Springs Capital Management's ten largest holdings make up 39% of its $434M portfolio in Q1 2014.
  • Rock Springs Capital Management opened 19 new positions and closed 13 in Q1 2014.
  • Rock Springs Capital Management's portfolio value rose 55% quarter-over-quarter to $434M.

Based on Rock Springs Capital Management's 13F filing for Q1 2014, filed 15 May 2014.