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Avidity Partners Management LP

Q3 2025 · Filed 2025-11-14
Market Value
$432M
-11.2%
Holdings
62
-10
New Purchases
12
Added To
8
Closed
21
Reduced
19
Top 10 Concentration
67.5%
Turnover
53.2%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
DNTH 29.16% 6.67% +22.49% $126M
CGON 14.91% 8.01% +6.91% $64M
MDT 4.20% 0.00% +4.20% $18M
BMY 2.69% 0.00% +2.69% $12M
PFE 2.16% 0.00% +2.16% $9M
ORKA 2.94% 0.81% +2.13% $13M
MTSR 1.70% 0.00% +1.70% $7M
JNJ 1.15% 0.00% +1.15% $5M
CI 1.11% 0.00% +1.11% $5M
CATX 2.38% 1.31% +1.06% $10M
ABBV 1.06% 0.00% +1.06% $5M
ARVN 1.38% 0.37% +1.01% $6M
CNTX 2.01% 1.01% +1.01% $9M
CARL 1.00% 0.00% +1.00% $4M
KVUE 1.00% 0.00% +1.00% $4M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
NTRA 2.62% 6.91% -4.29% $11M
THC 0.00% 3.83% -3.83% $0
DXCM 0.00% 3.77% -3.77% $0
HNGE 0.00% 3.43% -3.43% $0
BSX 3.71% 7.10% -3.39% $16M
ISRG 0.00% 3.02% -3.02% $0
EXAS 0.93% 3.87% -2.94% $4M
AXSM 0.00% 2.03% -2.03% $0
RGEN 0.72% 2.72% -2.00% $3M
RVMD 0.00% 1.73% -1.73% $0
OMDA 0.00% 1.47% -1.47% $0
HQY 0.55% 1.98% -1.42% $2M
HUM 0.00% 1.39% -1.39% $0
OGN 0.00% 1.27% -1.27% $0
PHAT 0.83% 2.10% -1.26% $4M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 3 $16M 3.6%
Large Cap 26 $135M 31.2%
Mid Cap 16 $233M 53.9%
Small Cap 12 $36M 8.3%
Micro Cap 5 $13M 3.0%

Portfolio Analytics

Avg Market Cap
$47.1B
Median Market Cap
$6.9B
Avg P/E
30.1
Median P/E
23.0
Avg Dividend Yield
0.01%
Avg Beta
0.81
# Stocks
62
# ETFs / Funds
0

Top Holdings (62 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 DNTH 29.16% 3,204,184 $126M $39.35 $94M +1,461,282 +83.8%
2 CGON 14.91% 1,600,899 $64M $40.28 $25M +100,957 +6.7%
3 MDT 4.20% 190,600 $18M $95.24 +190,600 NEW
4 BSX 3.71% 164,300 $16M $97.63 -$19M -157,500 -48.9%
5 ORKA 2.94% 660,424 $13M $19.23 $9M +308,300 +87.5%
6 BMY 2.69% 257,600 $12M $45.10 +257,600 NEW
7 NTRA 2.62% 70,400 $11M $160.97 -$22M -128,900 -64.7%
8 DHR 2.51% 54,700 $11M $198.26 -$7M -35,000 -39.0%
9 TEVA 2.38% 510,000 $10M $20.20 -$1M -179,500 -26.0%
10 CATX 2.38% 2,994,033 $10M $3.43 $4M +1,135,437 +61.1%
11 JBIO 2.25% 1,127,186 $10M $8.63 -$2M
12 PFE 2.16% 366,400 $9M $25.48 +366,400 NEW
13 TMO 2.12% 18,900 $9M $485.02 -$3M -10,700 -36.1%
14 CNTX 2.01% 8,981,855 $9M $0.97 $4M +1,504,600 +20.1%
15 GMAB 1.76% 248,100 $8M $30.67 -$6M -401,900 -61.8%
16 MTSR 1.70% 140,500 $7M $52.33 +140,500 NEW
17 UNH 1.42% 17,800 $6M $345.30 -$4M -14,200 -44.4%
18 ARVN 1.38% 698,363 $6M $8.52 $4M +455,201 +187.2%
19 ABC 1.37% 19,000 $6M $312.53 -$4M -13,800 -42.1%
20 EHC 1.23% 41,900 $5M $127.02 -$4M -32,100 -43.4%
21 JNJ 1.15% 26,800 $5M $185.42 +26,800 NEW
22 CI 1.11% 16,600 $5M $288.25 +16,600 NEW
23 ABBV 1.06% 19,800 $5M $231.54 +19,800 NEW
24 MCK 1.04% 5,800 $4M $772.54 -$5M -7,700 -57.0%
25 CARL 1.00% 321,912 $4M $13.39 +321,912 NEW
26 KVUE 1.00% 265,200 $4M $16.23 +265,200 NEW
27 ARQT 0.93% 214,400 $4M $18.85 $284K -53,600 -20.0%
28 EXAS 0.93% 73,600 $4M $54.71 -$15M -281,400 -79.3%
29 PHAT 0.83% 306,000 $4M $11.77 -$7M -758,500 -71.2%
30 RGEN 0.72% 23,300 $3M $133.67 -$10M -83,200 -78.1%
31 ACAD 0.71% 144,000 $3M $21.34 +144,000 NEW
32 ELVN 0.66% 140,300 $3M $20.47 $3M +129,000 +1141.6%
33 BEAM 0.63% 112,000 $3M $24.27 -$4M -297,400 -72.6%
34 SCYX 0.60% 3,350,528 $3M $0.77 $2M +2,121,618 +172.6%
35 HQY 0.55% 25,300 $2M $94.77 -$7M -66,700 -72.5%
36 WVE 0.50% 297,500 $2M $7.32 +297,500 NEW
37 XENE 0.50% 53,400 $2M $40.15 -$1M -54,491 -50.5%
38 AKRO 0.44% 40,500 $2M $47.48 -$5M -93,500 -69.8%
39 INSM 0.39% 11,600 $2M $144.01 -$4M -47,400 -80.3%
40 KPTI 0.20% 134,566 $880K $6.54 $300K
41 IMRX 0.15% 90,900 $636K $7.00 +90,900 NEW
42 OMDA —% -$7M -390,600 -100.0% SOLD
43 MDGL —% -$6M -19,000 -100.0% SOLD
44 BBIO —% -$6M -140,000 -100.0% SOLD
45 HNGE —% -$17M -322,344 -100.0% SOLD
46 MLTX —% -$2M -39,000 -100.0% SOLD
47 ALT —% -$406K -105,000 -100.0% SOLD
48 AXSM —% -$10M -94,500 -100.0% SOLD
49 HUM —% -$7M -27,600 -100.0% SOLD
50 THC —% -$19M -106,000 -100.0% SOLD
51 OGN —% -$6M -640,000 -100.0% SOLD
52 RARE —% -$6M -154,000 -100.0% SOLD
53 CAH —% -$3M -15,000 -100.0% SOLD
54 DXCM —% -$18M -210,500 -100.0% SOLD
55 RVMD —% -$8M -228,600 -100.0% SOLD
56 DOCS —% -$4M -60,000 -100.0% SOLD
57 ISRG —% -$15M -27,100 -100.0% SOLD
58 SNDX —% -$1M -150,000 -100.0% SOLD
59 NTLA —% -$2M -232,000 -100.0% SOLD
60 QURE —% -$3M -207,000 -100.0% SOLD
61 SPRY —% -$2M -140,000 -100.0% SOLD
62 VRNA —% -$3M -33,800 -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 4.20%
BMY $12M 2.69%
PFE $9M 2.16%
MTSR $7M 1.70%
JNJ $5M 1.15%
CI $5M 1.11%
ABBV $5M 1.06%
CARL $4M 1.00%
KVUE $4M 1.00%
ACAD $3M 0.71%
WVE $2M 0.50%
IMRX $636K 0.15%

Sold Out Positions

SymbolValue% Port
CAH —%
DOCS —%
OGN —%
HNGE —%
HUM —%
THC —%
AXSM —%
BBIO —%
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