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Avidity Partners Management LP

Q3 2025 · Filed 2025-11-14
Market Value
$417M
-13.0%
Holdings
61
-12
New Purchases
11
Added To
7
Closed
23
Reduced
18
Top 10 Concentration
69.8%
Turnover
55.7%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
DNTH 30.21% 6.77% +23.44% $126M
CGON 15.45% 8.13% +7.32% $64M
MDT 4.35% 0.00% +4.35% $18M
BMY 2.78% 0.00% +2.78% $12M
PFE 2.24% 0.00% +2.24% $9M
ORKA 3.04% 0.82% +2.22% $13M
MTSR 1.76% 0.00% +1.76% $7M
JNJ 1.19% 0.00% +1.19% $5M
CI 1.15% 0.00% +1.15% $5M
CATX 2.46% 1.33% +1.13% $10M
ABBV 1.10% 0.00% +1.10% $5M
CNTX 2.09% 1.02% +1.06% $9M
ARVN 1.43% 0.37% +1.05% $6M
CARL 1.03% 0.00% +1.03% $4M
KVUE 1.03% 0.00% +1.03% $4M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
NTRA 2.72% 7.02% -4.31% $11M
THC 0.00% 3.89% -3.89% $0
DXCM 0.00% 3.83% -3.83% $0
HNGE 0.00% 3.48% -3.48% $0
BSX 3.84% 7.21% -3.36% $16M
ISRG 0.00% 3.07% -3.07% $0
EXAS 0.96% 3.93% -2.97% $4M
AXSM 0.00% 2.06% -2.06% $0
RGEN 0.75% 2.76% -2.02% $3M
RVMD 0.00% 1.75% -1.75% $0
OMDA 0.00% 1.49% -1.49% $0
HQY 0.57% 2.01% -1.44% $2M
HUM 0.00% 1.41% -1.41% $0
OGN 0.00% 1.29% -1.29% $0
PHAT 0.86% 2.13% -1.27% $4M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 4 $25M 6.0%
Large Cap 24 $119M 28.4%
Mid Cap 17 $230M 55.1%
Small Cap 12 $34M 8.1%
Micro Cap 4 $10M 2.4%

Portfolio Analytics

Avg Market Cap
$52.7B
Median Market Cap
$7.6B
Avg P/E
48.5
Median P/E
30.5
Avg Dividend Yield
0.01%
Avg Beta
0.74
# Stocks
61
# ETFs / Funds
0

Top Holdings (61 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 DNTH 30.21% 3,204,184 $126M $39.35 $94M +1,461,282 +83.8%
2 CGON 15.45% 1,600,899 $64M $40.28 $25M +100,957 +6.7%
3 MDT 4.35% 190,600 $18M $95.24 — +190,600 — NEW
4 BSX 3.84% 164,300 $16M $97.63 -$19M -157,500 -48.9%
5 ORKA 3.04% 660,424 $13M $19.23 $9M +308,300 +87.5%
6 BMY 2.78% 257,600 $12M $45.10 — +257,600 — NEW
7 NTRA 2.72% 70,400 $11M $160.97 -$22M -128,900 -64.7%
8 DHR 2.60% 54,700 $11M $198.26 -$7M -35,000 -39.0%
9 CATX 2.46% 2,994,033 $10M $3.43 $4M +1,135,437 +61.1%
10 JBIO 2.33% 1,127,186 $10M $8.63 -$2M — —
11 PFE 2.24% 366,400 $9M $25.48 — +366,400 — NEW
12 TMO 2.20% 18,900 $9M $485.02 -$3M -10,700 -36.1%
13 CNTX 2.09% 8,981,855 $9M $0.97 $4M +1,504,600 +20.1%
14 GMAB 1.82% 248,100 $8M $30.67 -$6M -401,900 -61.8%
15 MTSR 1.76% 140,500 $7M $52.33 — +140,500 — NEW
16 UNH 1.47% 17,800 $6M $345.30 -$4M -14,200 -44.4%
17 ARVN 1.43% 698,363 $6M $8.52 $4M +455,201 +187.2%
18 COR 1.42% 19,000 $6M $312.53 -$4M -13,800 -42.1%
19 EHC 1.28% 41,900 $5M $127.02 -$4M -32,100 -43.4%
20 JNJ 1.19% 26,800 $5M $185.42 — +26,800 — NEW
21 CI 1.15% 16,600 $5M $288.25 — +16,600 — NEW
22 ABBV 1.10% 19,800 $5M $231.54 — +19,800 — NEW
23 MCK 1.07% 5,800 $4M $772.54 -$5M -7,700 -57.0%
24 CARL 1.03% 321,912 $4M $13.39 — +321,912 — NEW
25 KVUE 1.03% 265,200 $4M $16.23 — +265,200 — NEW
26 ARQT 0.97% 214,400 $4M $18.85 $284K -53,600 -20.0%
27 EXAS 0.96% 73,600 $4M $54.71 -$15M -281,400 -79.3%
28 PHAT 0.86% 306,000 $4M $11.77 -$7M -758,500 -71.2%
29 RGEN 0.75% 23,300 $3M $133.67 -$10M -83,200 -78.1%
30 ACAD 0.74% 144,000 $3M $21.34 — +144,000 — NEW
31 ELVN 0.69% 140,300 $3M $20.47 $3M +129,000 +1141.6%
32 BEAM 0.65% 112,000 $3M $24.27 -$4M -297,400 -72.6%
33 HQY 0.57% 25,300 $2M $94.77 -$7M -66,700 -72.5%
34 XENE 0.51% 53,400 $2M $40.15 -$1M -54,491 -50.5%
35 AKRO 0.46% 40,500 $2M $47.48 -$5M -93,500 -69.8%
36 INSM 0.40% 11,600 $2M $144.01 -$4M -47,400 -80.3%
37 KPTI 0.21% 134,566 $880K $6.54 $300K — —
38 IMRX 0.15% 90,900 $636K $7.00 — +90,900 — NEW
39 BBIO —% — — — -$6M -140,000 -100.0% SOLD
40 OMDA —% — — — -$7M -390,600 -100.0% SOLD
41 ISRG —% — — — -$15M -27,100 -100.0% SOLD
42 DXCM —% — — — -$18M -210,500 -100.0% SOLD
43 MLTX —% — — — -$2M -39,000 -100.0% SOLD
44 OGN —% — — — -$6M -640,000 -100.0% SOLD
45 SNDX —% — — — -$1M -150,000 -100.0% SOLD
46 KZR —% — — — -$2M -502,600 -100.0% SOLD
47 HNGE —% — — — -$17M -322,344 -100.0% SOLD
48 HUM —% — — — -$7M -27,600 -100.0% SOLD
49 CAH —% — — — -$3M -15,000 -100.0% SOLD
50 RVMD —% — — — -$8M -228,600 -100.0% SOLD
51 NTLA —% — — — -$2M -232,000 -100.0% SOLD
52 ALT —% — — — -$406K -105,000 -100.0% SOLD
53 SLNO —% — — — -$3M -32,000 -100.0% SOLD
54 APGE —% — — — -$3M -65,000 -100.0% SOLD
55 THC —% — — — -$19M -106,000 -100.0% SOLD
56 SBTX —% — — — -$2M -140,000 -100.0% SOLD
57 DOCS —% — — — -$4M -60,000 -100.0% SOLD
58 AXSM —% — — — -$10M -94,500 -100.0% SOLD
59 MDGL —% — — — -$6M -19,000 -100.0% SOLD
60 VRNA —% — — — -$3M -33,800 -100.0% SOLD
61 RARE —% — — — -$6M -154,000 -100.0% SOLD

Options Breakdown

1 Calls $0 Call Value 0 Puts $0 Put Value

Top Calls

SymbolSharesValueStatus
SNDX — $0 SOLD

New Positions

SymbolValue% Port
MDT $18M 4.35%
BMY $12M 2.78%
PFE $9M 2.24%
MTSR $7M 1.76%
JNJ $5M 1.19%
CI $5M 1.15%
ABBV $5M 1.10%
CARL $4M 1.03%
KVUE $4M 1.03%
ACAD $3M 0.74%
IMRX $636K 0.15%

Sold Out Positions

SymbolValue% Port
HUM — —%
CAH — —%
DOCS — —%
OGN — —%
HNGE — —%
THC — —%
BBIO — —%
AXSM — —%
MDGL — —%
ALT — —%
DXCM — —%
ISRG — —%
MLTX — —%
NTLA — —%
RVMD — —%
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