Bank of New York Mellon Corp
BankPosition in PRTA — Prothena Corp Public Ltd Co
CIK 1390777
NEW YORK, NY
Position in PRTA
as of Jun 30, 2026
· filed Aug 6, 2026
Position Value
$1,310,937
-$14,111 QoQ
Shares Held
133,906
-1.8% QoQ
Ownership
0.261%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#42
of 187 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 85%
Shared 0%
None 15%
Common Shares in PRTA Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Bank of New York Mellon Corp holds $4,845,290,998 across 311 Biotechnology names. PRTA ranks #181 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
1,672,623 | $830,842,010 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
758,492 | $472,950,091 | |
| 3 | JAZZ |
Jazz Pharmaceuticals plc
|
1,578,013 | $380,253,782 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
492,071 | $148,128,128 | |
| 5 | INSM |
INSMED Inc
|
1,312,756 | $139,966,036 | |
| 6 | MRNA |
Moderna, Inc.
|
1,701,675 | $119,168,293 | |
| 7 | RVMD |
Revolution Medicines, Inc.
|
601,056 | $112,565,759 | |
| 8 | INCY |
Incyte Corp
|
972,825 | $110,279,435 |
All Filings in PRTA
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,310,937 | 133,906 | Shares | Defined | 2026-08-06 | |
| 2026-03-31 | $1,325,048 | 136,322 | Shares | Defined | 2026-05-05 | |
| 2025-12-31 | $1,267,283 | 132,700 | Shares | Defined | 2026-02-10 | |
| 2025-09-30 | $1,501,086 | 153,800 | Shares | Defined | 2025-11-03 | |
| 2025-06-30 | $900,482 | 148,350 | Shares | Defined | 2025-08-05 | |
| 2025-03-31 | $1,806,859 | 146,009 | Shares | Defined | 2025-04-29 | |
| 2024-12-31 | $2,080,795 | 150,238 | Shares | Defined | 2025-02-04 | |
| 2024-09-30 | $2,188,047 | 130,786 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $3,414,328 | 165,423 | Shares | Defined | 2024-07-25 | |
| 2024-03-31 | $3,612,578 | 145,845 | Shares | Defined | 2024-04-25 | |
| 2023-12-31 | $16,073,505 | 442,309 | Shares | Other | 2024-01-29 | |
| 2023-09-30 | $24,095,178 | 499,382 | Shares | Defined | 2023-10-24 | |
| 2023-06-30 | $35,111,825 | 514,233 | Shares | Defined | 2023-08-03 | |
| 2023-03-31 | $7,953,535 | 164,092 | Shares | Defined | 2023-05-09 | |
| 2022-12-31 | $8,254,067 | 136,997 | Shares | Other | 2023-02-14 | |
| 2022-09-30 | $8,499,839 | 140,192 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $3,240,731 | 119,364 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $5,642,055 | 154,281 | Shares | Defined | 2022-05-11 | |
| 2021-12-31 | $7,531,522 | 152,460 | Shares | Defined | 2022-02-11 | |
| 2021-09-30 | $9,778,950 | 137,287 | Shares | Defined | 2021-11-18 | |
| 2021-06-30 | $6,963,740 | 135,455 | Shares | Defined | 2021-08-11 | |
| 2021-03-31 | $3,265,599 | 130,000 | Shares | Defined | 2021-05-13 | |
| 2020-12-31 | $1,675,658 | 139,522 | Shares | Defined | 2021-02-09 | |
| 2020-09-30 | $1,485,331 | 148,682 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $1,668,881 | 159,549 | Shares | Defined | 2020-08-12 | |
| 2020-03-31 | $3,557,105 | 332,440 | Shares | Defined | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||