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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
+7.42%
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
$2.34B
AUM Growth
+$140M
(+6.4%)
Cap. Flow
+$87.9M
Cap. Flow
% of AUM
3.75%
Top 10 Holdings %
Top 10 Hldgs %
23.56%
Holding
168
New
20
Increased
60
Reduced
15
Closed
19
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
AbbVie
ABBV
|
+$65.9M |
| 2 |
Bristol-Myers Squibb
BMY
|
+$38.6M |
| 3 |
HCA Healthcare
HCA
|
+$36.9M |
| 4 |
Cencora
COR
|
+$28.3M |
| 5 |
DaVita
DVA
|
+$24M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
AAAP
Advanced Accelerator Applications S.A.
AAAP
|
+$67.4M |
| 2 |
Cigna
CI
|
+$65.2M |
| 3 |
Merck
MRK
|
+$47.9M |
| 4 |
Johnson & Johnson
JNJ
|
+$27.9M |
| 5 |
Willis Towers Watson
WTW
|
+$18.5M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Healthcare | 87.66% |
| 2 | Financials | 1.72% |
| 3 | Consumer Discretionary | 0% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1
UnitedHealth
UNH
$382B
| $104M | 4.45% |
487,500
+500
| +0.1% | +$114K |
|
2
Intuitive Surgical
ISRG
$127B
| $59.4M | 2.53% |
431,700
| – | – |
|
|
3
AbbVie
ABBV
$465B
| $56.8M | 2.42% |
+600,000
| New | +$65.9M |
|
|
ALXN
4
DELISTED
Alexion Pharmaceuticals
ALXN
| $54.1M | 2.31% |
485,000
+5,000
| +1% | +$598K |
|
5
Neurocrine Biosciences
NBIX
$18.2B
| $50.3M | 2.14% |
606,200
+120,200
| +25% | +$10.2M |
|
6
Acadia Healthcare
ACHC
$2.55B
| $49.1M | 2.1% |
1,253,500
| – | – |
|
7
Collegium Pharmaceutical
COLL
$1.18B
| $49.1M | 2.09% |
1,920,000
+34,271
| +2% | +$817K |
|
8
Molina Healthcare
MOH
$10.4B
| $46.8M | 1.99% |
576,000
+9,000
| +2% | +$724K |
|
|
ONCE
9
DELISTED
Spark Therapeutics, Inc. Common Stock
ONCE
| $41.5M | 1.77% |
623,500
+8,500
| +1% | +$491K |
|
|
10
Bristol-Myers Squibb
BMY
$129B
| $41.1M | 1.75% |
650,000
+600,000
| +1,200% | +$38.6M |
|
|
GWPH
11
DELISTED
GW Pharmaceuticals Plc American Depositary Shares
GWPH
| $40.6M | 1.73% |
360,000
+6,000
| +2% | +$754K |
|
|
AET
12
DELISTED
Aetna Inc
AET
| $40.4M | 1.72% |
239,000
| – | – |
|
13
Madrigal Pharmaceuticals
MDGL
$12.6B
| $38M | 1.62% |
325,500
-16,500
| -5% | -$2.04M |
|
|
ONC
14
BeOne Medicines Ltd
ONC
$33.9B
| $37.2M | 1.59% |
221,250
-44,750
| -17% | -$6.06M |
|
|
15
HCA Healthcare
HCA
$88.4B
| $36.9M | 1.57% |
+380,000
| New | +$36.9M |
|
|
LOXO
16
DELISTED
Loxo Oncology, Inc
LOXO
| $36.5M | 1.56% |
316,500
+6,500
| +2% | +$691K |
|
|
RDUS
17
DELISTED
Radius Health, Inc.
RDUS
| $35.9M | 1.53% |
1,000,000
+57,000
| +6% | +$2.06M |
|
18
Pacira BioSciences
PCRX
$1.04B
| $35M | 1.49% |
1,125,000
+18,300
| +2% | +$652K |
|
|
PRAH
19
DELISTED
PRA Health Sciences, Inc.
PRAH
| $32.8M | 1.4% |
395,000
-82,500
| -17% | -$7.33M |
|
|
TSRO
20
DELISTED
TESARO, Inc.
TSRO
| $32.7M | 1.4% |
573,000
+24,500
| +4% | +$1.58M |
|
21
iRhythm Holdings
IRTC
$4.02B
| $30.1M | 1.28% |
477,500
+71,500
| +18% | +$4.43M |
|
22
Vertex Pharmaceuticals
VRTX
$123B
| $29.5M | 1.26% |
181,000
+9,750
| +6% | +$1.59M |
|
23
Stryker
SYK
$135B
| $28.6M | 1.22% |
178,000
+51,500
| +41% | +$8.3M |
|
24
Penumbra
PEN
$12.6B
| $28.1M | 1.2% |
243,000
-67,500
| -22% | -$6.97M |
|
25
Puma Biotechnology
PBYI
$398M
| $28.1M | 1.2% |
412,900
+39,400
| +11% | +$2.95M |
|
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Rock Springs Capital Management's Q1 2018 Portfolio in Review
As of Q1 2018, Rock Springs Capital Management held 168 positions worth $2.34B, up 6.4% from $2.2B the previous quarter. Its ten largest holdings account for 24% of the portfolio.
Rock Springs Capital Management deployed $87.9M of net new capital in Q1 2018, opening 20 new positions and adding to 60 existing holdings. Its largest new stake was AbbVie: 600,000 shares worth $56.8M.
By sector, the portfolio is most concentrated in Healthcare at 88% of assets, up from 85% a quarter earlier, followed by Financials and Consumer Discretionary.
On the sell side, the largest reduction was PRA Health Sciences, Inc., an estimated $7.33M trimmed.
- Rock Springs Capital Management's largest Q1 2018 buy was AbbVie: 600,000 shares worth $56.8M.
- Rock Springs Capital Management added most to Bristol-Myers Squibb in Q1 2018, an estimated $38.6M increase.
- Rock Springs Capital Management's biggest Q1 2018 reduction was PRA Health Sciences, Inc., cutting an estimated $7.33M.
- Rock Springs Capital Management fully exited Advanced Accelerator Applications S.A. in Q1 2018, selling an estimated $67.4M.
- Rock Springs Capital Management's ten largest holdings make up 24% of its $2.34B portfolio in Q1 2018.
- Rock Springs Capital Management opened 20 new positions and closed 19 in Q1 2018.
- Rock Springs Capital Management's portfolio value rose 6.4% quarter-over-quarter to $2.34B.
Based on Rock Springs Capital Management's 13F filing for Q1 2018, filed 15 May 2018.