Position in PRTA
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$1,868,263
+$1,435,005 QoQ
Shares Held
190,834
+328.1% QoQ
Ownership
0.372%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#39
of 187 holders
Holding Since
Dec 2020
11 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in PRTA Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026MARSHALL WACE, LLP holds $3,014,740,742 across 267 Biotechnology names. PRTA ranks #144 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
543,897 | $270,169,956 | |
| 2 | INCY |
Incyte Corp
|
1,310,154 | $148,519,056 | |
| 3 | RPRX |
Royalty Pharma plc
|
2,450,669 | $137,409,009 | |
| 4 | SYRE |
Spyre Therapeutics, Inc.
|
991,693 | $88,042,503 | |
| 5 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
259,799 | $78,207,292 | |
| 6 | TVTX |
Travere Therapeutics, Inc.
|
1,333,207 | $75,739,488 | |
| 7 | MANE |
Veradermics, Inc
|
585,560 | $71,988,746 | |
| 8 | DFTX |
Definium Therapeutics, Inc.
|
1,298,946 | $61,102,419 |
All Filings in PRTA
Export CSV
11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,868,263 | 190,834 | Shares | Other | 2026-08-13 | |
| 2026-03-31 | $433,258 | 44,574 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $523,128 | 54,778 | Shares | Other | 2026-02-13 | |
| 2023-06-30 | $742,135 | 10,869 | Shares | Other | 2023-08-14 | |
| 2022-09-30 | $6,536,095 | 107,803 | Shares | Other | 2022-11-14 | |
| 2022-06-30 | $4,843,206 | 178,387 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $384,935 | 10,526 | Shares | Other | 2022-05-16 | |
| 2021-12-31 | $10,605,734 | 214,691 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $4,907,177 | 68,892 | Shares | Sole | 2021-11-15 | |
| 2021-03-31 | $591,651 | 23,553 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $757,506 | 63,073 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||