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MPM BIOIMPACT LLC

Q2 2025 · Filed 2025-08-14
Market Value
$552M
-3.5%
Holdings
47
-4
New Purchases
6
Added To
10
Closed
7
Reduced
18
Top 10 Concentration
47.3%
Turnover
27.7%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
TARS 2.50% 0.00% +2.50% $14M
DYN 2.49% 0.00% +2.49% $14M
AKBA 1.90% 0.00% +1.90% $11M
ORIC 3.18% 1.36% +1.81% $18M
TSHA 1.23% 0.00% +1.23% $7M
SPRY 4.12% 2.89% +1.23% $23M
MBX 2.67% 1.46% +1.21% $15M
SRPT 1.00% 0.00% +1.00% $6M
ALKS 2.84% 1.95% +0.90% $16M
GH 4.17% 3.29% +0.87% $23M
STOK 1.62% 0.81% +0.82% $9M
VERA 2.40% 1.74% +0.66% $13M
MLTX 2.68% 2.16% +0.52% $15M
RLAY 1.43% 1.05% +0.38% $8M
CGEM 10.42% 10.12% +0.31% $58M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
LNTH 0.00% 3.96% -3.96% $0
UTHR 0.00% 3.17% -3.17% $0
ITOS 0.00% 1.82% -1.82% $0
TWST 0.00% 1.79% -1.79% $0
IOVA 0.00% 1.58% -1.58% $0
CRNX 2.23% 3.70% -1.47% $12M
IDYA 0.00% 1.23% -1.23% $0
NTRA 3.02% 3.88% -0.86% $17M
ZLAB 4.72% 5.26% -0.55% $26M
RNAC 1.29% 1.82% -0.53% $7M
TRVI 3.37% 3.77% -0.39% $19M
WVE 1.77% 2.13% -0.36% $10M
MDGL 5.50% 5.81% -0.31% $30M
EWTX 4.08% 4.25% -0.17% $23M
CMPX 2.65% 2.80% -0.16% $15M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Large Cap 6 $103M 18.7%
Mid Cap 16 $190M 34.4%
Small Cap 17 $212M 38.5%
Micro Cap 8 $47M 8.5%

Portfolio Analytics

Avg Market Cap
$4.3B
Median Market Cap
$1.8B
Avg P/E
27.6
Median P/E
25.5
Avg Dividend Yield
—%
Avg Beta
0.83
# Stocks
47
# ETFs / Funds
0

Top Holdings (47 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 CGEM 10.42% 7,648,268 $58M $7.53 -$306K
2 MDGL 5.50% 100,415 $30M $302.64 -$3M
3 ZLAB 4.72% 745,060 $26M $34.97 -$4M -88,599 -10.6%
4 GH 4.17% 442,656 $23M $52.04 $4M
5 SPRY 4.12% 1,303,399 $23M $17.45 $6M -9,705 -0.7%
6 EWTX 4.08% 1,720,741 $23M $13.11 -$2M +615,297 +55.7%
7 RNAM 3.91% 760,022 $22M $28.40 $501K +45,798 +6.4%
8 PTCT 3.88% 438,477 $21M $48.84 -$1M -1,500 -0.3%
9 TRVI 3.37% 3,406,955 $19M $5.47 -$3M -21,411 -0.6%
10 ORIC 3.18% 1,729,378 $18M $10.15 $10M +329,864 +23.6%
11 NTRA 3.02% 98,924 $17M $168.94 -$5M -58,123 -37.0%
12 ALKS 2.84% 549,262 $16M $28.61 $5M +211,659 +62.7%
13 MLTX 2.68% 313,571 $15M $47.20 $2M -2,478 -0.8%
14 MBX 2.67% 1,294,416 $15M $11.41 $6M +161,466 +14.2%
15 CMPX 2.65% 5,622,505 $15M $2.60 -$1M -2,820,278 -33.4%
16 RARE 2.60% 395,700 $14M $36.36 -$40K -2,745 -0.7%
17 JANX 2.57% 614,282 $14M $23.10 -$1M +47,089 +8.3%
18 TARS 2.50% 341,496 $14M $40.51 +341,496 NEW
19 DYN 2.49% 1,446,361 $14M $9.52 +1,446,361 NEW
20 VERA 2.40% 563,075 $13M $23.56 $3M +147,356 +35.5%
21 CRNX 2.23% 428,975 $12M $28.76 -$9M -202,989 -32.1%
22 RVMD 2.10% 315,722 $12M $36.79 $403K -1,361 -0.4%
23 AKBA 1.90% 2,889,125 $11M $3.64 +2,889,125 NEW
24 OLMA 1.83% 2,378,762 $10M $4.26 -$885K -551,684 -18.8%
25 XENE 1.83% 323,398 $10M $31.30 -$57K +20,000 +6.6%
26 WVE 1.77% 1,505,262 $10M $6.50 -$2M -4,318 -0.3%
27 CNTX 1.74% 14,705,882 $10M $0.66 $635K
28 RCKT 1.73% 3,903,081 $10M $2.45 -$1M +2,284,816 +141.2%
29 REPL 1.65% 983,780 $9M $9.29 -$484K -3,256 -0.3%
30 NUVB 1.63% 4,622,590 $9M $1.95 $826K -29,653 -0.6%
31 STOK 1.62% 789,698 $9M $11.35 $4M +95,710 +13.8%
32 RLAY 1.43% 2,282,680 $8M $3.46 $2M -13,244 -0.6%
33 RNAC 1.29% 686,007 $7M $10.39 -$3M -104,772 -13.2%
34 TSHA 1.23% 2,953,562 $7M $2.31 +2,953,562 NEW
35 SRPT 1.00% 321,696 $6M $17.10 +321,696 NEW
36 HOWL 0.48% 2,408,810 $3M $1.09 $284K
37 DSGN 0.34% 555,187 $2M $3.37 -$302K -7,756 -1.4%
38 RPTX 0.21% 819,924 $1M $1.39 $331K
39 ADAP 0.19% 4,411,821 $1M $0.24 $93K -482,523 -9.9%
40 ACLX —% 37 $2K $65.84 +37 NEW
41 IOVA —% -$9M -2,708,582 -100.0% SOLD
42 ALXO —% -$343K -550,000 -100.0% SOLD
43 TWST —% -$10M -261,215 -100.0% SOLD
44 LNTH —% -$23M -232,387 -100.0% SOLD
45 IDYA —% -$7M -430,161 -100.0% SOLD
46 ITOS —% -$10M -1,745,943 -100.0% SOLD
47 UTHR —% -$18M -58,907 -100.0% SOLD

New Positions

SymbolValue% Port
TARS $14M 2.50%
DYN $14M 2.49%
AKBA $11M 1.90%
TSHA $7M 1.23%
SRPT $6M 1.00%
ACLX $2K —%

Sold Out Positions

SymbolValue% Port
ALXO —%
LNTH —%
IOVA —%
TWST —%
UTHR —%
IDYA —%
ITOS —%
View SEC EDGAR Filings for MPM BIOIMPACT LLC →

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms