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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
-14.88%
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
$431M
AUM Growth
-$106M
Cap. Flow
-$7.73M
Cap. Flow %
-1.79%
Top 10 Hldgs %
100%
Holding
10
New
1
Increased
1
Reduced
2
Closed
1
Avg Time Held
1.4 years
Top 10 Avg Time Held
1.4 years
Top 20 Avg Time Held
1.4 years

Top Buys

Rank Stock Value
1
AMYT
Amryt Pharma plc American Depositary Shares
AMYT
+$30.1M
2
HARP
Harpoon Therapeutics, Inc. Common Stock
HARP
+$11.3K

Top Sells

Rank Stock Value
1
CHMA
Chiasma, Inc. Common Stock
CHMA
+$27.1M
2
ITOS icon
iTeos Therapeutics
ITOS
+$9.81M
3
RPTX icon
Repare Therapeutics
RPTX
+$922K

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
$88.8M 20.59%
3,290,711
-375,076
-10% -$9.81M
2020 Q3
4 quarters
DYN icon
2
Dyne Therapeutics
DYN
$2.86B
$80.4M 18.64%
4,951,303
– –
2020 Q3
4 quarters
HOWL icon
3
Werewolf Therapeutics
HOWL
$48.5M
$73.5M 17.04%
4,284,172
– –
2021 Q2
1 quarter
RPTX icon
4
DELISTED
Repare Therapeutics
RPTX
$58.8M 13.64%
2,242,636
-28,541
-1% -$922K
2020 Q2
5 quarters
TCRR
5
DELISTED
TCR2 Therapeutics Inc. Common Stock
TCRR
$34.5M 7.99%
4,050,865
– –
2019 Q1
10 quarters
AMYT
6
DELISTED
Amryt Pharma plc American Depositary Shares
AMYT
$32.2M 7.45%
+2,668,845
New +$30.1M
2021 Q3
0 quarters
ONCR
7
DELISTED
Oncorus, Inc.
ONCR
$26.6M 6.17%
2,849,464
– –
2020 Q4
3 quarters
HARP
8
DELISTED
Harpoon Therapeutics, Inc. Common Stock
HARP
$24.7M 5.73%
313,139
+112
+0% +$11.3K
2019 Q1
10 quarters
RYTM icon
9
Rhythm Pharmaceuticals
RYTM
$6.06B
$11.9M 2.75%
909,258
– –
2017 Q4
15 quarters
CHMA
10
DELISTED
Chiasma, Inc. Common Stock
CHMA
– –
-5,736,296
Closed -$27.1M –

Similar funds

WCPI
Wynnchurch Capital Partners IV Rosemont, Illinois $44.8M AUM 11.91% 1-Year Est. Return
BAM
Broadcrest Asset Management Winter Park, Florida $44.1M AUM 4.51% 1-Year Est. Return
WAMC
Western Asset Management Company Pasadena, California $45.2M AUM 6.96% 1-Year Est. Return
NLVP
New Leaf Venture Partners New York $43M AUM 25.55% 1-Year Est. Return
CIEP
Constellation Investimentos e Participacoes Sao Paulo, Brazil $46.7M AUM 23.3% 1-Year Est. Return
IPI
Inflection Point Investments London, United Kingdom $46.9M AUM 18.35% 1-Year Est. Return
CC
Corton Capital Carrying Place, Ontario, Canada $40.7M AUM 52.32% 1-Year Est. Return
VSAM
Value Star Asset Management Hong Kong $49.2M AUM 60.1% 1-Year Est. Return

MPM Asset Management's Q3 2021 Portfolio in Review

As of Q3 2021, MPM Asset Management held 10 positions worth $431M, down 20% from $538M the previous quarter. Its ten largest holdings account for 100% of the portfolio.

MPM Asset Management's Q3 2021 filing shows 1 new, 1 increased, 2 reduced and 1 closed positions. Its largest new stake was Amryt Pharma plc American Depositary Shares: 2,668,845 shares worth $32.2M. The largest sale was Chiasma, Inc. Common Stock, an estimated $27.1M.

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

  • MPM Asset Management's largest Q3 2021 buy was Amryt Pharma plc American Depositary Shares: 2,668,845 shares worth $32.2M.
  • MPM Asset Management added most to Harpoon Therapeutics, Inc. Common Stock in Q3 2021, an estimated $11.3K increase.
  • MPM Asset Management's biggest Q3 2021 reduction was iTeos Therapeutics, cutting an estimated $9.81M.
  • MPM Asset Management fully exited Chiasma, Inc. Common Stock in Q3 2021, selling an estimated $27.1M.
  • MPM Asset Management's ten largest holdings make up 100% of its $431M portfolio in Q3 2021.
  • MPM Asset Management opened 1 new position and closed 1 in Q3 2021.
  • MPM Asset Management's portfolio value fell 20% quarter-over-quarter to $431M.

Based on MPM Asset Management's 13F filing for Q3 2021, filed 15 Nov 2021.