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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
+8.03%
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
$646M
AUM Growth
+$88.7M
Cap. Flow
+$74.4M
Cap. Flow %
11.51%
Top 10 Hldgs %
39.44%
Holding
93
New
15
Increased
55
Reduced
6
Closed
10

Top Buys

Rank Stock Value
1
HCA icon
HCA Healthcare
HCA
+$15.4M
2
ABBV icon
AbbVie
ABBV
+$13.9M
3
MDT icon
Medtronic
MDT
+$7.15M
4
DHR icon
Danaher
DHR
+$6.5M
5
AGN
Allergan plc
AGN
+$4.92M

Top Sells

Rank Stock Value
1
ITMN
INTERMUNE INC
ITMN
+$23.8M
2
STJ
St Jude Medical
STJ
+$6.92M
3
WBA
Walgreens Boots Alliance
WBA
+$5.93M
4
FRX
FOREST LABORATORIES INC
FRX
+$5.35M
5
CRL icon
Charles River Laboratories
CRL
+$3.81M

Sector Composition

Rank Sector Weight
1 Healthcare 79.22%
2 Industrials 2.23%
3 Financials 1.33%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CO
51
DELISTED
Global Cord Blood Corporation
CO
$3.89M 0.6%
795,000
+45,000
+6% +$218K
RARE icon
52
Ultragenyx Pharmaceutical
RARE
$2.55B
$3.82M 0.59%
67,500
+2,000
+3% +$101K
TNDM icon
53
Tandem Diabetes Care
TNDM
$1.56B
$3.72M 0.58%
27,700
+8,200
+42% +$1.15M
CVD
54
DELISTED
COVANCE INC.
CVD
$3.62M 0.56%
46,000
+3,000
+7% +$255K
ZSPH
55
DELISTED
ZS PHARMA INC COMS TK (DE)
ZSPH
$3.61M 0.56%
+92,000
New +$3.04M
TBPH icon
56
Theravance Biopharma
TBPH
$877M
$3.58M 0.55%
155,500
+105,500
+211% +$3.06M
ICPT
57
DELISTED
Intercept Pharmaceuticals, Inc.
ICPT
$3.57M 0.55%
15,100
– –
EPZM
58
DELISTED
Epizyme, Inc
EPZM
$3.55M 0.55%
+131,000
New +$4.07M
FEIC
59
DELISTED
FEI COMPANY
FEIC
$3.54M 0.55%
47,000
+1,000
+2% +$84.1K
CYBX
60
DELISTED
CYBERONICS INC
CYBX
$3.43M 0.53%
67,000
+2,500
+4% +$144K
WX
61
DELISTED
WUXI PHARMATECH, CAYMAN INC REPSTG 8 ORD SHS
WX
$3.38M 0.52%
96,500
– –
MDCO
62
DELISTED
Medicines Co
MDCO
$3.31M 0.51%
148,250
+13,150
+10% +$334K
INVA icon
63
Innoviva
INVA
$1.48B
$3.25M 0.5%
190,000
+10,000
+6% +$230K
CBST
64
DELISTED
CUBIST PHARMACEUTICALS INC
CBST
$3.08M 0.48%
46,500
+7,500
+19% +$493K
RLYP
65
DELISTED
RELYPSA INC COM
RLYP
$3.06M 0.47%
145,000
+19,000
+15% +$461K
JAZZ icon
66
Jazz Pharmaceuticals
JAZZ
$16.7B
$2.93M 0.45%
+18,250
New +$2.81M
INFI
67
DELISTED
Infinity Pharmaceuticals, Inc.
INFI
$2.82M 0.44%
210,000
+57,500
+38% +$685K
KIN
68
DELISTED
Kindred Biosciences, Inc.
KIN
$2.54M 0.39%
275,000
+27,000
+11% +$365K
ROKA
69
DELISTED
Sorrento Tech, Inc. Common Stock
ROKA
$2.51M 0.39%
+25,000
New +$2.71M
NVAX icon
70
Novavax
NVAX
$1.31B
$2.4M 0.37%
28,750
+250
+0.9% +$22.6K
PFNX
71
DELISTED
Pfenex Inc.
PFNX
$2.39M 0.37%
+325,000
New +$2.08M
ARAV
72
DELISTED
Aravive, Inc. Common Stock
ARAV
$2.36M 0.37%
20,709
– –
KITE
73
DELISTED
Kite Pharma, Inc.
KITE
$2.35M 0.36%
+82,474
New +$2.04M
AERI
74
DELISTED
Aerie Pharmaceuticals
AERI
$2.06M 0.32%
+99,300
New +$1.96M
CBAY
75
DELISTED
Cymabay Therapeutics
CBAY
$2.05M 0.32%
+300,000
New +$1.84M
1 2
3
4

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BCM
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PP
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GAM
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FACM
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Rock Springs Capital Management's Q3 2014 Portfolio in Review

As of Q3 2014, Rock Springs Capital Management held 93 positions worth $646M, up 16% from $558M the previous quarter. Its ten largest holdings account for 39% of the portfolio.

Rock Springs Capital Management deployed $74.4M of net new capital in Q3 2014, opening 15 new positions and adding to 55 existing holdings. Its largest new stake was Danaher: 126,466 shares worth $6.46M.

By sector, the portfolio is most concentrated in Healthcare at 79% of assets, up from 76% a quarter earlier, followed by Industrials and Financials.

On the sell side, the largest reduction was Cigna, an estimated $1.87M trimmed.

  • Rock Springs Capital Management's largest Q3 2014 buy was Danaher: 126,466 shares worth $6.46M.
  • Rock Springs Capital Management added most to HCA Healthcare in Q3 2014, an estimated $15.4M increase.
  • Rock Springs Capital Management's biggest Q3 2014 reduction was Cigna, cutting an estimated $1.87M.
  • Rock Springs Capital Management fully exited INTERMUNE INC in Q3 2014, selling an estimated $23.8M.
  • Rock Springs Capital Management's ten largest holdings make up 39% of its $646M portfolio in Q3 2014.
  • Rock Springs Capital Management opened 15 new positions and closed 10 in Q3 2014.
  • Rock Springs Capital Management's portfolio value rose 16% quarter-over-quarter to $646M.

Based on Rock Springs Capital Management's 13F filing for Q3 2014, filed 14 Nov 2014.