Filed: 5/13/2026ACC: 0001791827-26-000003
📋 What this filing means
AVIDITY PARTNERS MANAGEMENT LP filed this quarterly 13F‑HR report disclosing 46 equity positions with a total reported market value of $441.89M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
46
Positions
$441.89M
Total AUM (reported)
22.84M
Total Shares
Allocation by class
COM$345.93M78.3%
COM NEW$67.42M15.3%
SPONSORED ADS$10.68M2.4%
SHS$9.99M2.3%
CL A$3.61M0.8%
COM CL A$1.36M0.3%
CL A COM$1.09M0.2%
Portfolio Concentration
Top 3$270.95M61.3%
4–10$86.95M19.7%
11–25$62.67M14.2%
Rest$21.32M4.8%
Top 3 weight
61.3%
Top 10 weight
81.0%
Voting Authority Distribution
Total shares with voting rights: 22.84M
Sole
Full voting authority
22.84M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole46
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings46
Rows:
DIANTHUS THERAPEUTICS INC
SOLEShares2.10M
TypeSH
Market value$184.75M
41.81%
Sole
2.10M
Shared
0.00
None
0.00
ORUKA THERAPEUTICS INC
SOLEShares760.42K
TypeSH
Market value$52.02M
11.77%
Sole
760.42K
Shared
0.00
None
0.00
JADE BIOSCIENCES INC
SOLEShares1.40M
TypeSH
Market value$34.18M
7.73%
Sole
1.40M
Shared
0.00
None
0.00
PERSPECTIVE THERAPEUTICS INC
SOLEShares6.05M
TypeSH
Market value$23.59M
5.34%
Sole
6.05M
Shared
0.00
None
0.00
ENLIVEN THERAPEUTICS INC
SOLEShares400K
TypeSH
Market value$16.49M
3.73%
Sole
400K
Shared
0.00
None
0.00
CONTEXT THERAPEUTICS INC
SOLEShares5M
TypeSH
Market value$11.80M
2.67%
Sole
5M
Shared
0.00
None
0.00
REPLIGEN CORP
SOLEShares77.80K
TypeSH
Market value$9.20M
2.08%
Sole
77.80K
Shared
0.00
None
0.00
PALVELLA THERAPEUTICS INC NE
SOLEShares70K
TypeSH
Market value$8.98M
2.03%
Sole
70K
Shared
0.00
None
0.00
AKTIS ONCOLOGY INC
SOLEShares468.57K
TypeSH
Market value$8.79M
1.99%
Sole
468.57K
Shared
0.00
None
0.00
MEDTRONIC PLC
SOLEShares100K
TypeSH
Market value$8.10M
1.83%
Sole
100K
Shared
0.00
None
0.00
TEVA PHARMACEUTICAL INDS LTD
SOLEShares200K
TypeSH
Market value$7.01M
1.59%
Sole
200K
Shared
0.00
None
0.00
IMMUNIC INC
SOLEShares669.94K
TypeSH
Market value$6.44M
1.46%
Sole
669.94K
Shared
0.00
None
0.00
VIR BIOTECHNOLOGY INC
SOLEShares619.30K
TypeSH
Market value$6.33M
1.43%
Sole
619.30K
Shared
0.00
None
0.00
DEXCOM INC
SOLEShares100K
TypeSH
Market value$5.96M
1.35%
Sole
100K
Shared
0.00
None
0.00
HUMANA INC
SOLEShares25K
TypeSH
Market value$5.91M
1.34%
Sole
25K
Shared
0.00
None
0.00
ENCOMPASS HEALTH CORP
SOLEShares42K
TypeSH
Market value$4.20M
0.95%
Sole
42K
Shared
0.00
None
0.00
KARYOPHARM THERAPEUTICS INC
SOLEShares463.74K
TypeSH
Market value$3.85M
0.87%
Sole
463.74K
Shared
0.00
None
0.00
TEMPUS AI INC
SOLEShares65K
TypeSH
Market value$3.61M
0.82%
Sole
65K
Shared
0.00
None
0.00
TENAX THERAPEUTICS INC
SOLEShares265.93K
TypeSH
Market value$3.49M
0.79%
Sole
265.93K
Shared
0.00
None
0.00
BOSTON SCIENTIFIC CORP
SOLEShares60K
TypeSH
Market value$3.46M
0.78%
Sole
60K
Shared
0.00
None
0.00
SATELLOS BIOSCIENCE INC
SOLEShares387.77K
TypeSH
Market value$3.08M
0.70%
Sole
387.77K
Shared
0.00
None
0.00
PHATHOM PHARMACEUTICALS INC
SOLEShares249.39K
TypeSH
Market value$2.79M
0.63%
Sole
249.39K
Shared
0.00
None
0.00
GILEAD SCIENCES INC
SOLEShares20K
TypeSH
Market value$2.62M
0.59%
Sole
20K
Shared
0.00
None
0.00
STRUCTURE THERAPEUTICS INC
SOLEShares48K
TypeSH
Market value$1.99M
0.45%
Sole
48K
Shared
0.00
None
0.00
SCYNEXIS INC
SOLEShares2.08M
TypeSH
Market value$1.94M
0.44%
Sole
2.08M
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
DIANTHUS THERAPEUTICS INCSOLE | COM | 2.10M | SH | $184.75M 41.81% | 2.10M | 0.00 | 0.00 |
ORUKA THERAPEUTICS INCSOLE | COM | 760.42K | SH | $52.02M 11.77% | 760.42K | 0.00 | 0.00 |
JADE BIOSCIENCES INCSOLE | COM NEW | 1.40M | SH | $34.18M 7.73% | 1.40M | 0.00 | 0.00 |
PERSPECTIVE THERAPEUTICS INCSOLE | COM NEW | 6.05M | SH | $23.59M 5.34% | 6.05M | 0.00 | 0.00 |
ENLIVEN THERAPEUTICS INCSOLE | COM | 400K | SH | $16.49M 3.73% | 400K | 0.00 | 0.00 |
CONTEXT THERAPEUTICS INCSOLE | COM | 5M | SH | $11.80M 2.67% | 5M | 0.00 | 0.00 |
REPLIGEN CORPSOLE | COM | 77.80K | SH | $9.20M 2.08% | 77.80K | 0.00 | 0.00 |
PALVELLA THERAPEUTICS INC NESOLE | COM | 70K | SH | $8.98M 2.03% | 70K | 0.00 | 0.00 |
AKTIS ONCOLOGY INCSOLE | COM | 468.57K | SH | $8.79M 1.99% | 468.57K | 0.00 | 0.00 |
MEDTRONIC PLCSOLE | SHS | 100K | SH | $8.10M 1.83% | 100K | 0.00 | 0.00 |
TEVA PHARMACEUTICAL INDS LTDSOLE | SPONSORED ADS | 200K | SH | $7.01M 1.59% | 200K | 0.00 | 0.00 |
IMMUNIC INCSOLE | COM | 669.94K | SH | $6.44M 1.46% | 669.94K | 0.00 | 0.00 |
VIR BIOTECHNOLOGY INCSOLE | COM | 619.30K | SH | $6.33M 1.43% | 619.30K | 0.00 | 0.00 |
DEXCOM INCSOLE | COM | 100K | SH | $5.96M 1.35% | 100K | 0.00 | 0.00 |
HUMANA INCSOLE | COM | 25K | SH | $5.91M 1.34% | 25K | 0.00 | 0.00 |
ENCOMPASS HEALTH CORPSOLE | COM | 42K | SH | $4.20M 0.95% | 42K | 0.00 | 0.00 |
KARYOPHARM THERAPEUTICS INCSOLE | COM NEW | 463.74K | SH | $3.85M 0.87% | 463.74K | 0.00 | 0.00 |
TEMPUS AI INCSOLE | CL A | 65K | SH | $3.61M 0.82% | 65K | 0.00 | 0.00 |
TENAX THERAPEUTICS INCSOLE | COM NEW | 265.93K | SH | $3.49M 0.79% | 265.93K | 0.00 | 0.00 |
BOSTON SCIENTIFIC CORPSOLE | COM | 60K | SH | $3.46M 0.78% | 60K | 0.00 | 0.00 |
SATELLOS BIOSCIENCE INCSOLE | COM | 387.77K | SH | $3.08M 0.70% | 387.77K | 0.00 | 0.00 |
PHATHOM PHARMACEUTICALS INCSOLE | COM | 249.39K | SH | $2.79M 0.63% | 249.39K | 0.00 | 0.00 |
GILEAD SCIENCES INCSOLE | COM | 20K | SH | $2.62M 0.59% | 20K | 0.00 | 0.00 |
STRUCTURE THERAPEUTICS INCSOLE | SPONSORED ADS | 48K | SH | $1.99M 0.45% | 48K | 0.00 | 0.00 |
SCYNEXIS INCSOLE | COM NEW | 2.08M | SH | $1.94M 0.44% | 2.08M | 0.00 | 0.00 |
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