Avidity Partners Management LP
Position in PHAT — Phathom Pharmaceuticals, Inc.
CIK 1791827
DALLAS, TX
Position in PHAT
as of Mar 31, 2026
· filed May 28, 2026
Position Value
$2,770,722
-$648,078 QoQ
Shares Held
249,390
+21.0% QoQ
Ownership
0.308%
of shares outstanding
% of Portfolio
0.55%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
19 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PHAT Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Avidity Partners Management LP holds $406,374,529 across 29 Biotechnology names. PHAT ranks #12 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DNTH |
Dianthus Therapeutics, Inc. /DE/
|
2,104,184 | $176,583,121 | |
| 2 | CGON |
CG Oncology, Inc.
|
1,288,948 | $87,236,000 | |
| 3 | ORKA |
Oruka Therapeutics, Inc.
|
760,424 | $37,298,797 | |
| 4 | JBIO |
Jade Biosciences, Inc.
|
1,400,708 | $19,679,947 | |
| 5 | ELVN |
Enliven Therapeutics, Inc.
|
400,000 | $15,680,000 | |
| 6 | CNTX |
Context Therapeutics Inc.
|
4,998,267 | $13,095,459 | |
| 7 | PVLA |
Palvella Therapeutics, Inc.
|
70,000 | $8,725,500 | |
| 8 | VIR |
Vir Biotechnology, Inc.
|
950,000 | $8,512,000 |
All Filings in PHAT
Export CSV
19 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,770,722 | 249,390 | Shares | Sole | 2026-05-28 | |
| 2025-12-31 | $3,418,800 | 206,076 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $3,601,620 | 306,000 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $10,208,555 | 1,064,500 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $5,016,000 | 800,000 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $11,287,612 | 1,390,100 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $32,625,233 | 1,804,493 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $16,686,000 | 1,620,000 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $18,425,700 | 1,735,000 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $15,718,025 | 1,721,580 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $16,771,401 | 1,617,300 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $27,919,704 | 1,949,700 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $14,627,004 | 2,048,600 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $21,318,000 | 1,900,000 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $21,127,344 | 1,906,800 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $16,203,112 | 1,919,800 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $26,485,060 | 1,946,000 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $37,294,320 | 1,896,000 | Shares | Sole | 2022-02-14 | |
| 2020-12-31 | $5,066,050 | 152,500 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||