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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
TMO icon
26
Thermo Fisher Scientific
TMO
$217B
$14.8M 1.1%
100,200
– –
MCK icon
27
McKesson
MCK
$104B
$14.5M 1.08%
77,900
+400
+0.5% +$70.2K
BMY icon
28
Bristol-Myers Squibb
BMY
$132B
$14.5M 1.07%
196,500
+26,500
+16% +$1.87M
PEN icon
29
Penumbra
PEN
$12.8B
$14.4M 1.07%
242,500
+14,000
+6% +$754K
JAZZ icon
30
Jazz Pharmaceuticals
JAZZ
$16.7B
$14.4M 1.07%
102,000
+16,500
+19% +$2.43M
COLL icon
31
Collegium Pharmaceutical
COLL
$945M
$14.4M 1.07%
1,215,000
+70,000
+6% +$1.16M
AMGN icon
32
Amgen
AMGN
$221B
$14.3M 1.06%
94,000
– –
MD icon
33
Pediatrix Medical
MD
$2.19B
$14.1M 1.05%
195,000
– –
BIIB icon
34
Biogen
BIIB
$30.6B
$13.9M 1.03%
57,650
+4,500
+8% +$1.19M
TXMD icon
35
TherapeuticsMD
TXMD
$24.3M
$13.4M 0.99%
31,500
– –
WBA
36
DELISTED
Walgreens Boots Alliance
WBA
$13.4M 0.99%
160,400
+36,900
+30% +$2.98M
INCY icon
37
Incyte
INCY
$24.5B
$12.4M 0.92%
155,000
+24,500
+19% +$1.9M
LKFT
38
Lakefront Biotherapeutics American Depositary Shares
LKFT
$1.76B
$11.6M 0.86%
210,000
– –
ARDX icon
39
Ardelyx
ARDX
$996M
$11.1M 0.82%
1,275,000
+214,600
+20% +$1.75M
PRTA icon
40
Prothena Corp
PRTA
$454M
$10.8M 0.8%
308,000
– –
PRAH
41
DELISTED
PRA Health Sciences, Inc.
PRAH
$10.6M 0.78%
253,000
– –
DERM
42
DELISTED
Dermira, Inc.
DERM
$10.4M 0.77%
354,900
+64,900
+22% +$1.79M
EHC icon
43
Encompass Health
EHC
$12.5B
$10.3M 0.76%
333,105
+71,649
+27% +$2.24M
ACHN
44
DELISTED
Achillion Pharmaceuticals
ACHN
$10.2M 0.76%
1,312,500
+92,500
+8% +$794K
WMGI
45
DELISTED
Wright Medical Group Inc
WMGI
$9.52M 0.7%
547,900
+57,900
+12% +$1.06M
CLSD
46
DELISTED
Clearside Biomedical
CLSD
$9.49M 0.7%
+90,222
New +$9.46M
TVTX icon
47
Travere Therapeutics
TVTX
$5.73B
$9.29M 0.69%
521,400
– –
BMRN icon
48
BioMarin Pharmaceuticals
BMRN
$12.2B
$8.79M 0.65%
113,000
+9,750
+9% +$829K
XNPT
49
DELISTED
XENOPORT, INC.
XNPT
$8.41M 0.62%
1,195,000
+95,000
+9% +$537K
ALKS icon
50
Alkermes
ALKS
$8.24B
$8.41M 0.62%
194,500
– –
1
2
3 4 5

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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.