RENAISSANCE TECHNOLOGIES LLC
Position in PHAT — Phathom Pharmaceuticals, Inc.
CIK 1037389
NEW YORK, NY
Position in PHAT
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$3,397,438
+$2,798,510 QoQ
Shares Held
305,800
+366.2% QoQ
Ownership
0.378%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
5 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, 2026RENAISSANCE TECHNOLOGIES LLC holds $3,450,872,574 across 330 Biotechnology names. PHAT ranks #101 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | EXEL |
Exelixis, Inc.
|
13,726,993 | $588,750,729 | |
| 2 | INCY |
Incyte Corp
|
3,651,532 | $343,682,191 | |
| 3 | CORT |
Corcept Therapeutics Inc
|
5,682,783 | $229,072,982 | |
| 4 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
421,688 | $188,300,559 | |
| 5 | JAZZ |
Jazz Pharmaceuticals plc
|
819,374 | $154,902,654 | |
| 6 | GMAB |
Genmab A/S
|
4,414,550 | $118,442,376 | |
| 7 | INVA |
Innoviva, Inc.
|
4,055,632 | $94,496,225 | |
| 8 | ARWR |
Arrowhead Pharmaceuticals, Inc.
|
1,036,495 | $64,988,236 |
All Filings in PHAT
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,397,438 | 305,800 | Shares | Sole | 2026-05-14 | |
| 2023-12-31 | $598,928 | 65,600 | Shares | Sole | 2024-02-13 | |
| 2023-06-30 | $143,200 | 10,000 | Shares | Sole | 2023-08-11 | |
| 2022-06-30 | $202,560 | 24,000 | Shares | Sole | 2022-08-12 | |
| 2021-03-31 | $424,428 | 11,300 | Shares | Sole | 2021-05-13 | |
| No filing history on record for this holder in this stock. | ||||||