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Asset Manager ← All Institutions

MPM BIOIMPACT LLC

Q4 2025 · Filed 2026-02-17
Market Value
$820M
+42.5%
Holdings
49
+4
New Purchases
14
Added To
5
Closed
14
Reduced
15
Top 10 Concentration
53.1%
Turnover
57.1%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
LQDA 5.89% 0.79% +5.10% $48M
AGIO 4.33% 0.00% +4.33% $35M
QURE 4.03% 0.00% +4.03% $33M
ALMS 2.86% 0.00% +2.86% $23M
CRVS 2.58% 0.00% +2.58% $21M
RVMD 4.91% 2.56% +2.35% $40M
GLUE 2.24% 0.00% +2.24% $18M
URGN 2.69% 0.47% +2.22% $22M
PTGX 2.12% 0.00% +2.12% $17M
PVLA 2.63% 0.73% +1.89% $22M
ARQT 1.88% 0.00% +1.88% $15M
VTYX 1.80% 0.00% +1.80% $15M
CGEM 9.65% 7.88% +1.77% $79M
BLTE 1.71% 0.00% +1.71% $14M
RAPT 1.64% 0.00% +1.64% $13M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
RNAM 0.00% 5.75% -5.75% $0
ZLAB 0.00% 4.39% -4.39% $0
CMPX 0.00% 3.09% -3.09% $0
ALKS 0.00% 2.86% -2.86% $0
VERA 0.00% 2.84% -2.84% $0
JANX 0.00% 2.61% -2.61% $0
SPRY 0.00% 2.28% -2.28% $0
SRPT 0.18% 2.34% -2.16% $2M
RARE 0.00% 2.07% -2.07% $0
WVE 0.00% 1.91% -1.91% $0
ORIC 1.79% 3.61% -1.81% $15M
RCKT 0.68% 2.21% -1.53% $6M
AKBA 0.00% 1.37% -1.37% $0
MDGL 6.87% 8.00% -1.13% $56M
XENE 2.65% 3.51% -0.86% $22M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Large Cap 4 $118M 14.4%
Mid Cap 17 $336M 41.0%
Small Cap 22 $349M 42.6%
Micro Cap 6 $17M 2.0%

Portfolio Analytics

Avg Market Cap
$3.6B
Median Market Cap
$1.7B
Avg P/E
102.6
Median P/E
40.0
Avg Dividend Yield
—%
Avg Beta
0.73
# Stocks
49
# ETFs / Funds
0

Top Holdings (49 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 CGEM 9.65% 7,648,268 $79M $10.35 $34M
2 MDGL 6.87% 96,780 $56M $582.34 $10M -3,635 -3.6%
3 LQDA 5.89% 1,400,869 $48M $34.49 $44M +1,200,869 +600.4%
4 TRVI 5.02% 3,287,087 $41M $12.52 $10M -119,868 -3.5%
5 EWTX 5.01% 1,655,256 $41M $24.82 $13M -65,485 -3.8%
6 RVMD 4.91% 505,672 $40M $79.65 $26M +189,950 +60.2%
7 AGIO 4.33% 1,303,373 $35M $27.22 +1,303,373 NEW
8 QURE 4.03% 1,381,628 $33M $23.93 +1,381,628 NEW
9 PTCT 3.98% 430,013 $33M $75.96 $6M -8,464 -1.9%
10 SNDX 3.43% 1,337,702 $28M $21.01 $7M -37,972 -2.8%
11 DYN 3.35% 1,405,388 $27M $19.56 $9M -40,973 -2.8%
12 TARS 3.28% 328,869 $27M $81.88 $7M -12,627 -3.7%
13 STOK 2.98% 770,289 $24M $31.74 $6M -19,409 -2.5%
14 ALMS 2.86% 2,401,992 $23M $9.76 +2,401,992 NEW
15 URGN 2.69% 941,378 $22M $23.42 $19M +806,378 +597.3%
16 XENE 2.65% 485,620 $22M $44.82 $2M -17,778 -3.5%
17 PVLA 2.63% 205,745 $22M $104.67 $17M +138,322 +205.2%
18 NTRA 2.61% 93,551 $21M $229.09 $6M -5,373 -5.4%
19 CRVS 2.58% 2,743,671 $21M $7.70 +2,743,671 NEW
20 RLAY 2.30% 2,232,451 $19M $8.46 $7M -50,229 -2.2%
21 GLUE 2.24% 1,173,376 $18M $15.68 +1,173,376 NEW
22 PTGX 2.12% 199,471 $17M $87.34 +199,471 NEW
23 CNTX 1.91% 10,679,391 $16M $1.47 $1M -4,026,491 -27.4%
24 ARQT 1.88% 531,200 $15M $29.04 +531,200 NEW
25 VTYX 1.80% 1,639,061 $15M $9.03 +1,639,061 NEW
26 ORIC 1.79% 1,798,717 $15M $8.18 -$6M +69,339 +4.0%
27 BLTE 1.71% 87,760 $14M $159.96 +87,760 NEW
28 RAPT 1.64% 397,906 $13M $33.87 +397,906 NEW
29 CLYM 1.30% 2,671,480 $11M $4.00 +2,671,480 NEW
30 ABVX 0.93% 56,316 $8M $134.85 +56,316 NEW
31 RCKT 0.68% 1,586,076 $6M $3.51 -$7M -2,317,305 -59.4%
32 MAZE 0.41% 81,145 $3M $41.43 +81,145 NEW
33 EVMN 0.24% 113,022 $2M $17.12 +113,022 NEW
34 SRPT 0.18% 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 DSGN —% -$4M -555,187 -100.0% SOLD
37 WVE —% -$11M -1,505,262 -100.0% SOLD
38 RAPP —% -$2M -71,807 -100.0% SOLD
39 VERA —% -$16M -563,075 -100.0% SOLD
40 JANX —% -$15M -614,282 -100.0% SOLD
41 RPTX —% -$1M -819,924 -100.0% SOLD
42 AKBA —% -$8M -2,889,125 -100.0% SOLD
43 RNAM —% -$33M -760,022 -100.0% SOLD
44 CMPX —% -$18M -5,075,970 -100.0% SOLD
45 ALKS —% -$16M -549,262 -100.0% SOLD
46 RNAC —% -$4M -380,000 -100.0% SOLD
47 ZLAB —% -$25M -745,060 -100.0% SOLD
48 SPRY —% -$13M -1,303,399 -100.0% SOLD
49 RARE —% -$12M -395,700 -100.0% SOLD

New Positions

SymbolValue% Port
AGIO $35M 4.33%
QURE $33M 4.03%
ALMS $23M 2.86%
CRVS $21M 2.58%
GLUE $18M 2.24%
PTGX $17M 2.12%
ARQT $15M 1.88%
VTYX $15M 1.80%
BLTE $14M 1.71%
RAPT $13M 1.64%
CLYM $11M 1.30%
ABVX $8M 0.93%
MAZE $3M 0.41%
EVMN $2M 0.24%

Sold Out Positions

SymbolValue% Port
JANX —%
DSGN —%
ALKS —%
CMPX —%
AKBA —%
RNAC —%
RAPP —%
RARE —%
VERA —%
SPRY —%
ZLAB —%
WVE —%
RNAM —%
RPTX —%
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