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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
-13.18%
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
$518M
AUM Growth
-$189M
Cap. Flow
-$68.4M
Cap. Flow %
-13.21%
Top 10 Hldgs %
100%
Holding
8
New
–
Increased
–
Reduced
3
Closed
–
Avg Time Held
1.8 years
Top 10 Avg Time Held
1.8 years
Top 20 Avg Time Held
1.8 years

Top Buys

No buys this quarter

Top Sells

Rank Stock Value
1
RYTM icon
Rhythm Pharmaceuticals
RYTM
+$29M
2
HARP
Harpoon Therapeutics, Inc. Common Stock
HARP
+$25.8M
3
RPTX icon
Repare Therapeutics
RPTX
+$13.6M

Sector Composition

Rank Sector Weight
1 Healthcare 100%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
ITOS icon
1
DELISTED
iTeos Therapeutics
ITOS
$127M 24.48%
3,706,663
– –
2020 Q3
2 quarters
TCRR
2
DELISTED
TCR2 Therapeutics Inc. Common Stock
TCRR
$89.4M 17.28%
4,050,865
– –
2019 Q1
8 quarters
RPTX icon
3
DELISTED
Repare Therapeutics
RPTX
$79.9M 15.43%
2,603,089
-400,683
-13% -$13.6M
2020 Q2
3 quarters
DYN icon
4
Dyne Therapeutics
DYN
$2.83B
$76.9M 14.86%
4,951,303
– –
2020 Q3
2 quarters
HARP
5
DELISTED
Harpoon Therapeutics, Inc. Common Stock
HARP
$67.7M 13.09%
323,831
-128,612
-28% -$25.8M
2019 Q1
8 quarters
ONCR
6
DELISTED
Oncorus, Inc.
ONCR
$39.7M 7.66%
2,849,464
– –
2020 Q4
1 quarter
RYTM icon
7
Rhythm Pharmaceuticals
RYTM
$6.1B
$19.3M 3.74%
909,258
-1,000,000
-52% -$29M
2017 Q4
13 quarters
CHMA
8
DELISTED
Chiasma, Inc. Common Stock
CHMA
$18M 3.47%
5,736,296
– –
2015 Q3
22 quarters

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BAM
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WAMC
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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 2021 Portfolio in Review

As of Q1 2021, MPM Asset Management held 8 positions worth $518M, down 27% from $707M the previous quarter. Its ten largest holdings account for 100% of the portfolio.

MPM Asset Management withdrew a net $68.4M in Q1 2021, reducing 3 holdings. Its largest reduction was Rhythm Pharmaceuticals, cutting an estimated $29M.

By sector, the portfolio is most concentrated in Healthcare at 100% of assets, unchanged from a quarter earlier.

  • MPM Asset Management's biggest Q1 2021 reduction was Rhythm Pharmaceuticals, cutting an estimated $29M.
  • MPM Asset Management's ten largest holdings make up 100% of its $518M portfolio in Q1 2021.
  • MPM Asset Management opened 0 new positions and closed 0 in Q1 2021.
  • MPM Asset Management's portfolio value fell 27% quarter-over-quarter to $518M.

Based on MPM Asset Management's 13F filing for Q1 2021, filed 13 May 2021.