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Asset Manager ← All Institutions

MPM BIOIMPACT LLC

Q4 2025 · Filed 2026-02-17
Market Value
$802M
+35.2%
Holdings
51
+4
New Purchases
14
Added To
4
Closed
16
Reduced
16
Top 10 Concentration
53.6%
Turnover
58.8%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
LQDA 6.02% 0.77% +5.26% $48M
AGIO 4.42% 0.00% +4.42% $35M
ALMS 2.92% 0.00% +2.92% $23M
CRVS 2.63% 0.00% +2.63% $21M
RVMD 5.02% 2.48% +2.54% $40M
GLUE 2.29% 0.00% +2.29% $18M
DRUG 2.24% 0.00% +2.24% $18M
CGEM 9.87% 7.64% +2.23% $79M
PTGX 2.17% 0.00% +2.17% $17M
PVLA 2.68% 0.71% +1.97% $22M
ARQT 1.92% 0.00% +1.92% $15M
VTYX 1.84% 0.00% +1.84% $15M
BLTE 1.75% 0.00% +1.75% $14M
RAPT 1.68% 0.00% +1.68% $13M
CLYM 1.33% 0.00% +1.33% $11M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
RNAM 0.00% 5.58% -5.58% $0
ZLAB 0.00% 4.25% -4.25% $0
CMPX 0.00% 2.99% -2.99% $0
ALKS 0.00% 2.78% -2.78% $0
VERA 0.00% 2.76% -2.76% $0
JANX 0.00% 2.53% -2.53% $0
SBTX 0.00% 2.21% -2.21% $0
SRPT 0.19% 2.27% -2.08% $2M
RARE 0.00% 2.01% -2.01% $0
SLNO 0.00% 1.71% -1.71% $0
SLDB 0.00% 1.70% -1.70% $0
ORIC 1.83% 3.50% -1.66% $15M
RCKT 0.69% 2.14% -1.45% $6M
AKBA 0.00% 1.33% -1.33% $0
MDGL 7.03% 7.76% -0.73% $56M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Large Cap 4 $118M 14.7%
Mid Cap 15 $272M 33.9%
Small Cap 23 $369M 46.0%
Micro Cap 9 $43M 5.4%

Portfolio Analytics

Avg Market Cap
$4.3B
Median Market Cap
$1.6B
Avg P/E
69.8
Median P/E
72.3
Avg Dividend Yield
—%
Avg Beta
0.68
# Stocks
51
# ETFs / Funds
0

Top Holdings (51 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 CGEM 9.87% 7,648,268 $79M $10.35 $34M — —
2 MDGL 7.03% 96,780 $56M $582.34 $10M -3,635 -3.6%
3 LQDA 6.02% 1,400,869 $48M $34.49 $44M +1,200,869 +600.4%
4 TRVI 5.13% 3,287,087 $41M $12.52 $10M -119,868 -3.5%
5 EWTX 5.12% 1,655,256 $41M $24.82 $13M -65,485 -3.8%
6 RVMD 5.02% 505,672 $40M $79.65 $26M +189,950 +60.2%
7 AGIO 4.42% 1,303,373 $35M $27.22 — +1,303,373 — NEW
8 PTCT 4.07% 430,013 $33M $75.96 $6M -8,464 -1.9%
9 SNDX 3.50% 1,337,702 $28M $21.01 $7M -37,972 -2.8%
10 DYN 3.43% 1,405,388 $27M $19.56 $9M -40,973 -2.8%
11 TARS 3.36% 328,869 $27M $81.88 $7M -12,627 -3.7%
12 STOK 3.05% 770,289 $24M $31.74 $6M -19,409 -2.5%
13 ALMS 2.92% 2,401,992 $23M $9.76 — +2,401,992 — NEW
14 XENE 2.71% 485,620 $22M $44.82 $2M -17,778 -3.5%
15 PVLA 2.68% 205,745 $22M $104.67 $17M +138,322 +205.2%
16 NTRA 2.67% 93,551 $21M $229.09 $6M -5,373 -5.4%
17 CRVS 2.63% 2,743,671 $21M $7.70 — +2,743,671 — NEW
18 DBVT 2.38% 996,825 $19M $19.17 $9M -57,679 -5.5%
19 RLAY 2.35% 2,232,451 $19M $8.46 $7M -50,229 -2.2%
20 GLUE 2.29% 1,173,376 $18M $15.68 — +1,173,376 — NEW
21 DRUG 2.24% 230,147 $18M $78.04 — +230,147 — NEW
22 PTGX 2.17% 199,471 $17M $87.34 — +199,471 — NEW
23 CNTX 1.96% 10,679,391 $16M $1.47 $1M -4,026,491 -27.4%
24 ARQT 1.92% 531,200 $15M $29.04 — +531,200 — NEW
25 VTYX 1.84% 1,639,061 $15M $9.03 — +1,639,061 — NEW
26 ORIC 1.83% 1,798,717 $15M $8.18 -$6M +69,339 +4.0%
27 BLTE 1.75% 87,760 $14M $159.96 — +87,760 — NEW
28 RAPT 1.68% 397,906 $13M $33.87 — +397,906 — NEW
29 CLYM 1.33% 2,671,480 $11M $4.00 — +2,671,480 — NEW
30 ABVX 0.95% 56,316 $8M $134.85 — +56,316 — NEW
31 RCKT 0.69% 1,586,076 $6M $3.51 -$7M -2,317,305 -59.4%
32 MAZE 0.42% 81,145 $3M $41.43 — +81,145 — NEW
33 EVMN 0.24% 113,022 $2M $17.12 — +113,022 — NEW
34 SRPT 0.19% 70,000 $2M $21.52 -$12M -630,000 -90.0%
35 HOWL 0.11% 1,393,557 $884K $0.63 -$4M -1,015,253 -42.1%
36 SBTX —% — — — -$13M -1,303,399 -100.0% SOLD
37 CMPX —% — — — -$18M -5,075,970 -100.0% SOLD
38 SLDB —% — — — -$10M -1,634,569 -100.0% SOLD
39 RAPP —% — — — -$2M -71,807 -100.0% SOLD
40 VERA —% — — — -$16M -563,075 -100.0% SOLD
41 RNAC —% — — — -$4M -380,000 -100.0% SOLD
42 DSGN —% — — — -$4M -555,187 -100.0% SOLD
43 RARE —% — — — -$12M -395,700 -100.0% SOLD
44 JANX —% — — — -$15M -614,282 -100.0% SOLD
45 ALKS —% — — — -$16M -549,262 -100.0% SOLD
46 RNAM —% — — — -$33M -760,022 -100.0% SOLD
47 AKBA —% — — — -$8M -2,889,125 -100.0% SOLD
48 RPTX —% — — — -$1M -819,924 -100.0% SOLD
49 ASMB —% — — — -$1M -39,665 -100.0% SOLD
50 SLNO —% — — — -$10M -150,000 -100.0% SOLD
51 ZLAB —% — — — -$25M -745,060 -100.0% SOLD

New Positions

SymbolValue% Port
AGIO $35M 4.42%
ALMS $23M 2.92%
CRVS $21M 2.63%
GLUE $18M 2.29%
DRUG $18M 2.24%
PTGX $17M 2.17%
ARQT $15M 1.92%
VTYX $15M 1.84%
BLTE $14M 1.75%
RAPT $13M 1.68%
CLYM $11M 1.33%
ABVX $8M 0.95%
MAZE $3M 0.42%
EVMN $2M 0.24%

Sold Out Positions

SymbolValue% Port
ASMB — —%
ALKS — —%
AKBA — —%
DSGN — —%
CMPX — —%
JANX — —%
RNAC — —%
RAPP — —%
RARE — —%
VERA — —%
SLDB — —%
ZLAB — —%
RPTX — —%
RNAM — —%
SBTX — —%
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