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MAM

MPM Asset Management Portfolio holdings

AUM $44.5M Turnover 20%
1-Year Est. Return 47.28%
This Fund
S&P 500
This Quarter Est. Return
+6.66%
1 Year Est. Return
-47.28%
3 Year Est. Return
+5.89%
5 Year Est. Return
-18.52%
10 Year Est. Return
+3.53%
AUM
$469M
AUM Growth
+$18.6M
Cap. Flow
-$5.16M
Cap. Flow %
-1.1%
Top 10 Hldgs %
97.65%
Holding
15
New
–
Increased
–
Reduced
1
Closed
–
Avg Time Held
1.2 years
Top 10 Avg Time Held
1.2 years
Top 20 Avg Time Held
1.2 years

Top Buys

No buys this quarter

Top Sells

Rank Stock Value
1
EPZM
Epizyme, Inc
EPZM
+$5.16M

Sector Composition

Rank Sector Weight
1 Healthcare 96.03%
2 Miscellaneous 3.97%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
RDUS icon
1
DELISTED
Radius Health, Inc.
RDUS
$240M 51.18%
5,831,253
– –
2014 Q2
3 quarters
PTLA
2
DELISTED
Portola Pharmaceuticals, Inc.
PTLA
$46.3M 9.88%
1,220,672
– –
2013 Q2
7 quarters
EPZM
3
DELISTED
Epizyme, Inc
EPZM
$40.6M 8.67%
2,163,819
-250,000
-10% -$5.16M
2013 Q2
7 quarters
PETX
4
DELISTED
Aratana Therapeutics, Inc.
PETX
$33.9M 7.23%
2,118,845
– –
2013 Q2
7 quarters
NVRO icon
5
DELISTED
NEVRO CORP.
NVRO
$32.9M 7.02%
686,704
– –
2014 Q4
1 quarter
TRIV
6
DELISTED
TRIVASCULAR TECHONOLOGIES, INC, COMMON STOCK
TRIV
$18.6M 3.97%
1,776,692
– –
2014 Q2
3 quarters
EIGR
7
DELISTED
Eiger BioPharmaceuticals, Inc.
EIGR
$15.2M 3.23%
1,779
– –
2014 Q1
4 quarters
TARA icon
8
Protara Therapeutics
TARA
$149M
$11.4M 2.44%
24,585
– –
2014 Q4
1 quarter
ALT icon
9
Altimmune
ALT
$449M
$10.3M 2.21%
21,159
– –
2013 Q2
7 quarters
HSTO
10
DELISTED
Histogen Inc. Common Stock
HSTO
$8.49M 1.81%
5,960
– –
2013 Q3
6 quarters
VSTM icon
11
Verastem
VSTM
$722M
$8.31M 1.77%
68,057
– –
2013 Q2
7 quarters
SVRA icon
12
Savara
SVRA
$992M
$1.25M 0.27%
36,455
– –
2014 Q1
4 quarters
ETRM
13
DELISTED
EnteroMedics Inc.
ETRM
$1.02M 0.22%
1,060
– –
2013 Q2
7 quarters
SGMO icon
14
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
$353K 0.08%
22,487
– –
2013 Q4
5 quarters
MGNX icon
15
MacroGenics
MGNX
$215M
$99K 0.02%
3,168
– –
2013 Q4
5 quarters

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BAM
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WAMC
Western Asset Management Company Pasadena, California $45.2M AUM 6.96% 1-Year Est. Return
NLVP
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CIEP
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IPI
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CC
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VSAM
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MPM Asset Management's Q1 2015 Portfolio in Review

As of Q1 2015, MPM Asset Management held 15 positions worth $469M, up 4.1% from $450M the previous quarter. Its ten largest holdings account for 98% of the portfolio.

Trading was light in Q1 2015: portfolio turnover was 0%. MPM Asset Management opened no new positions and made no exits, leaving the 15-position portfolio largely intact.

By sector, the portfolio is most concentrated in Healthcare at 96% of assets, up from 95% a quarter earlier, followed by Miscellaneous.

  • MPM Asset Management's biggest Q1 2015 reduction was Epizyme, Inc, cutting an estimated $5.16M.
  • MPM Asset Management's ten largest holdings make up 98% of its $469M portfolio in Q1 2015.
  • MPM Asset Management opened 0 new positions and closed 0 in Q1 2015.
  • MPM Asset Management's portfolio value rose 4.1% quarter-over-quarter to $469M.

Based on MPM Asset Management's 13F filing for Q1 2015, filed 27 Apr 2015.