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Avidity Partners Management LP

Q2 2026 · Filed 2026-08-14
Market Value
$618M
+28.0%
Holdings
58
-6
New Purchases
9
Added To
12
Closed
14
Reduced
5
Top 10 Concentration
82.8%
Turnover
39.7%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
ORKA 11.72% 7.73% +3.99% $72M
JBIO 6.12% 4.08% +2.04% $38M
MOBI 1.73% 0.00% +1.73% $11M
IMUX 1.67% 0.00% +1.67% $10M
SENS 1.47% 0.00% +1.47% $9M
ELVN 4.52% 3.25% +1.27% $28M
KPTI 1.46% 0.54% +0.93% $9M
AKTS 2.53% 1.74% +0.79% $16M
TEM 0.98% 0.23% +0.75% $6M
NVCT 0.60% 0.00% +0.60% $4M
GPCR 0.85% 0.30% +0.55% $5M
ALMR 0.48% 0.00% +0.48% $3M
AVLN 0.32% 0.00% +0.32% $2M
KLRA 0.29% 0.00% +0.29% $2M
PODD 0.59% 0.36% +0.23% $4M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
DNTH 33.21% 36.60% -3.39% $205M
CNTX 0.45% 2.71% -2.27% $3M
CGON 16.09% 18.08% -1.99% $99M
CATX 3.48% 5.23% -1.75% $21M
HUM 0.00% 1.23% -1.23% $0
MDT 0.89% 1.80% -0.91% $5M
VIR 0.86% 1.76% -0.91% $5M
CNC 0.00% 0.48% -0.48% $0
NTRA 0.00% 0.37% -0.37% $0
ICLR 0.00% 0.37% -0.37% $0
KVUE 0.00% 0.36% -0.36% $0
HIMS 0.00% 0.32% -0.32% $0
RVMD 0.00% 0.30% -0.30% $0
CORT 0.00% 0.25% -0.25% $0
ABVX 0.00% 0.23% -0.23% $0

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 1 $0 0.0%
Large Cap 18 $44M 7.2%
Mid Cap 11 $412M 66.8%
Small Cap 21 $130M 21.0%
Micro Cap 7 $31M 5.0%

Portfolio Analytics

Avg Market Cap
$22.2B
Median Market Cap
$2.2B
Avg P/E
51.3
Median P/E
26.5
Avg Dividend Yield
0.00%
Avg Beta
0.71
# Stocks
58
# ETFs / Funds
0

Top Holdings (58 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 DNTH 33.21% 2,104,184 $205M $97.48 $29M — —
2 CGON 16.09% 1,398,948 $99M $71.05 $12M +110,000 +8.5%
3 ORKA 11.72% 760,424 $72M $95.17 $35M — —
4 JBIO 6.12% 1,700,708 $38M $22.22 $18M +300,000 +21.4%
5 ELVN 4.52% 550,000 $28M $50.75 $12M +150,000 +37.5%
6 CATX 3.48% 6,299,999 $21M $3.41 -$4M +250,000 +4.1%
7 AKTS 2.53% 484,200 $16M $32.23 $7M +15,634 +3.3%
8 PVLA 1.73% 70,000 $11M $152.82 $2M — —
9 MOBI 1.73% 798,282 $11M $13.40 — +798,282 — NEW
10 RGEN 1.72% 77,800 $11M $136.44 $1M — —
11 IMUX 1.67% 669,941 $10M $15.37 — +669,941 — NEW
12 SENS 1.47% 1,600,000 $9M $5.68 — +1,600,000 — NEW
13 KPTI 1.46% 924,487 $9M $9.77 $6M +460,746 +99.3%
14 DXCM 1.09% 100,000 $7M $67.35 $1M +10,000 +11.1%
15 TEM 0.98% 105,000 $6M $57.93 $5M +80,000 +320.0%
16 MDT 0.89% 70,000 $5M $78.23 -$3M -30,000 -30.0%
17 VIR 0.86% 519,300 $5M $10.19 -$3M -430,700 -45.3%
18 GPCR 0.85% 98,000 $5M $53.67 $4M +68,000 +226.7%
19 EHC 0.69% 42,000 $4M $101.08 $183K — —
20 TENX 0.63% 265,934 $4M $14.55 $417K +50,000 +23.2%
21 NVCT 0.60% 200,000 $4M $18.39 — +200,000 — NEW
22 PODD 0.59% 24,000 $4M $152.25 $2M +14,000 +140.0%
23 BSX 0.55% 80,000 $3M $42.68 -$351K +20,000 +33.3%
24 MSLE 0.49% 387,769 $3M $7.78 $832K — —
25 ALMR 0.48% 110,000 $3M $27.09 — +110,000 — NEW
26 CNTX 0.45% 4,998,267 $3M $0.55 -$10M — —
27 GILD 0.41% 20,000 $3M $126.34 -$261K — —
28 CRL 0.37% 10,000 $2M $226.79 $598K — —
29 PHAT 0.35% 200,000 $2M $10.85 -$601K -49,390 -19.8%
30 AVLN 0.32% 60,000 $2M $32.92 — +60,000 — NEW
31 KLRA 0.29% 80,000 $2M $22.03 — +80,000 — NEW
32 GMAB 0.22% 50,000 $1M $27.47 $32K — —
33 NTLA 0.21% 75,000 $1M $16.92 $308K — —
34 CRVS 0.19% 80,000 $1M $14.94 -$487K -35,000 -30.4%
35 ODD 0.17% 70,000 $1M $15.13 $122K — —
36 SCYX 0.17% 260,206 $1M $4.07 — +260,206 — NEW
37 EVMN 0.16% 75,000 $997K $13.29 — +75,000 — NEW
38 ABT 0.15% 10,000 $907K $90.74 -$500 — —
39 BBIO 0.12% 10,000 $745K $74.48 $34K — —
40 PTON 0.10% 100,000 $591K $5.91 -$267K -100,000 -50.0%
41 LEGN 0.07% 15,000 $433K $28.88 $80K — —
42 BBOT 0.05% 43,853 $334K $7.62 -$58K — —
43 SVRA 0.05% 50,000 $308K $6.16 $46K — —
44 TRVI 0.02% 6,660 $124K $18.65 $45K — —
45 HUM —% — — — -$6M -25,000 -100.0% SOLD
46 ABUS —% — — — -$562K -125,000 -100.0% SOLD
47 CNC —% — — — -$2M -70,000 -100.0% SOLD
48 MLTX —% — — — -$932K -50,000 -100.0% SOLD
49 ICLR —% — — — -$2M -16,000 -100.0% SOLD
50 AVR —% — — — -$832K -150,000 -100.0% SOLD
51 RVMD —% — — — -$1M -15,000 -100.0% SOLD
52 KVUE —% — — — -$2M -100,000 -100.0% SOLD
53 NTRA —% — — — -$2M -9,000 -100.0% SOLD
54 ACAD —% — — — -$289K -12,967 -100.0% SOLD
55 HIMS —% — — — -$2M -75,000 -100.0% SOLD
56 ABVX —% — — — -$1M -10,000 -100.0% SOLD
57 UNH —% — — — -$1M -3,800 -100.0% SOLD
58 CORT —% — — — -$1M -30,000 -100.0% SOLD

New Positions

SymbolValue% Port
MOBI $11M 1.73%
IMUX $10M 1.67%
SENS $9M 1.47%
NVCT $4M 0.60%
ALMR $3M 0.48%
AVLN $2M 0.32%
KLRA $2M 0.29%
SCYX $1M 0.17%
EVMN $997K 0.16%

Sold Out Positions

SymbolValue% Port
HUM — —%
CNC — —%
HIMS — —%
KVUE — —%
UNH — —%
CORT — —%
AVR — —%
ACAD — —%
MLTX — —%
ABVX — —%
ABUS — —%
ICLR — —%
RVMD — —%
NTRA — —%
View SEC EDGAR Filings for Avidity Partners Management LP →

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