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Cormorant Asset Management, LP

Q4 2025 · Filed 2026-02-17
Market Value
$1.6B
+22.7%
Holdings
35
-5
New Purchases
2
Added To
2
Closed
7
Reduced
20
Top 10 Concentration
79.9%
Turnover
25.7%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
PRAX 17.06% 3.96% +13.10% $280M
OLMA 4.19% 0.00% +4.19% $69M
MLTX 3.50% 1.07% +2.43% $57M
ALMS 2.16% 0.64% +1.52% $35M
BIOA 1.64% 0.94% +0.70% $27M
MBX 2.15% 1.60% +0.55% $35M
COGT 0.49% 0.00% +0.49% $8M
EYPT 9.20% 8.86% +0.34% $151M
DRUG 5.04% 4.80% +0.23% $83M
ORKA 0.98% 0.77% +0.22% $16M
BBIO 5.59% 5.44% +0.16% $92M
EWTX 4.97% 4.86% +0.10% $82M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
ACLX 0.00% 4.76% -4.76% $0
CGON 0.00% 1.88% -1.88% $0
BBOT 13.64% 15.48% -1.84% $224M
INSM 2.92% 4.63% -1.71% $48M
KRRO 0.00% 1.66% -1.66% $0
MTSR 0.00% 1.56% -1.56% $0
RAPP 5.60% 7.09% -1.49% $92M
CNTA 2.02% 3.49% -1.47% $33M
ABVX 11.09% 12.38% -1.29% $182M
CRBP 1.16% 2.25% -1.08% $19M
GHRS 1.01% 2.05% -1.04% $17M
JANX 0.55% 1.55% -1.01% $9M
RNAM 0.00% 0.98% -0.98% $0
BMEA 0.00% 0.54% -0.54% $0
CRNX 0.85% 1.25% -0.39% $14M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Large Cap 3 $140M 8.5%
Mid Cap 17 $709M 43.2%
Small Cap 10 $595M 36.3%
Micro Cap 5 $197M 12.0%

Portfolio Analytics

Avg Market Cap
$4.5B
Median Market Cap
$3.1B
Avg P/E
113.9
Median P/E
113.9
Avg Dividend Yield
—%
Avg Beta
0.97
# Stocks
35
# ETFs / Funds
0

Top Holdings (35 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 PRAX 17.06% 950,000 $280M $294.74 $227M -50,000 -5.0%
2 BBOT 13.64% 17,878,594 $224M $12.52 $17M — —
3 ABVX 11.09% 1,350,000 $182M $134.85 $16M -600,000 -30.8%
4 EYPT 9.20% 8,265,000 $151M $18.27 $32M -60,000 -0.7%
5 RAPP 5.60% 3,027,521 $92M $30.34 -$3M -165,000 -5.2%
6 BBIO 5.59% 1,200,000 $92M $76.49 $19M -200,000 -14.3%
7 DRUG 5.04% 1,059,331 $83M $78.04 $18M — —
8 EWTX 4.97% 3,285,000 $82M $24.82 $16M -725,000 -18.1%
9 OLMA 4.19% 2,750,000 $69M $25.00 — +2,750,000 — NEW
10 MLTX 3.50% 4,355,433 $57M $13.18 $43M +2,361,260 +118.4%
11 INSM 2.92% 275,000 $48M $174.04 -$14M -155,000 -36.0%
12 ALMS 2.16% 3,635,596 $35M $9.76 $27M +1,488,200 +69.3%
13 MBX 2.15% 1,120,000 $35M $31.54 $14M -105,000 -8.6%
14 CNTA 2.02% 1,325,000 $33M $25.01 -$14M -600,000 -31.2%
15 BIOA 1.64% 2,040,605 $27M $13.23 $14M -100,000 -4.7%
16 TARS 1.25% 250,000 $20M $81.88 $3M -50,000 -16.7%
17 CRBP 1.16% 2,344,971 $19M $8.14 -$11M -30,029 -1.3%
18 GHRS 1.01% 1,300,000 $17M $12.70 -$11M -616,439 -32.2%
19 ORKA 0.98% 533,340 $16M $30.31 $6M — —
20 ARQT 0.88% 500,000 $15M $29.04 -$89K -275,000 -35.5%
21 CRNX 0.85% 300,000 $14M $46.55 -$3M -100,000 -25.0%
22 AXSM 0.83% 75,000 $14M $182.64 $2M -25,000 -25.0%
23 CABA 0.59% 4,400,000 $10M $2.19 -$2M -600,000 -12.0%
24 JANX 0.55% 650,000 $9M $13.80 -$12M -200,000 -23.5%
25 COGT 0.49% 225,000 $8M $35.52 — +225,000 — NEW
26 PCVX 0.35% 125,000 $6M $46.14 -$536K -50,000 -28.6%
27 AMLX 0.29% 400,000 $5M $12.08 -$2M -100,000 -20.0%
28 BHVN 0.01% 10,000 $113K $11.29 -$37K — —
29 RNAM —% — — — -$13M -300,000 -100.0% SOLD
30 ACLX —% — — — -$64M -775,000 -100.0% SOLD
31 CGON —% — — — -$25M -625,000 -100.0% SOLD
32 MTSR —% — — — -$21M -400,000 -100.0% SOLD
33 BMEA —% — — — -$7M -3,570,872 -100.0% SOLD
34 ELVN —% — — — -$4M -200,000 -100.0% SOLD
35 KRRO —% — — — -$22M -465,000 -100.0% SOLD

Options Breakdown

0 Calls $0 Call Value 3 Puts $399M Put Value

Top Puts

SymbolSharesValueStatus
QQQ 250,000 $154M NEW
IWM 500,000 $123M NEW
XBI 1,000,000 $122M NEW

New Positions

SymbolValue% Port
OLMA $69M 4.19%
COGT $8M 0.49%

Sold Out Positions

SymbolValue% Port
KRRO — —%
CGON — —%
ELVN — —%
BMEA — —%
MTSR — —%
RNAM — —%
ACLX — —%
View SEC EDGAR Filings for Cormorant Asset Management, LP →

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