MetLife Investment Management, LLC
Position in PRTA — Prothena Corp Public Ltd Co
CIK 1529735
Whippany, NJ
Position in PRTA
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$253,463
+$63,768 QoQ
Shares Held
25,890
+32.7% QoQ
Ownership
0.050%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#85
of 187 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PRTA Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026MetLife Investment Management, LLC holds $430,307,229 across 249 Biotechnology names. PRTA ranks #175 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | HALO |
Halozyme Therapeutics, Inc.
|
402,605 | $31,511,893 | |
| 2 | PRAX |
Praxis Precision Medicines, Inc.
|
90,543 | $30,312,890 | |
| 3 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
58,072 | $28,846,104 | |
| 4 | FTRE |
Fortrea Holdings Inc.
|
1,362,169 | $23,701,740 | |
| 5 | AXSM |
Axsome Therapeutics, Inc.
|
89,662 | $21,946,567 | |
| 6 | IMNM |
Immunome Inc.
|
859,076 | $18,203,820 | |
| 7 | REGN |
Regeneron Pharmaceuticals, Inc.
|
22,880 | $14,266,595 | |
| 8 | CYTK |
Cytokinetics Inc
|
140,046 | $11,930,518 |
All Filings in PRTA
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $253,463 | 25,890 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $189,695 | 19,516 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $243,534 | 25,501 | Shares | Defined | 2026-02-12 | |
| 2025-09-30 | $188,973 | 19,362 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $154,190 | 25,402 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $314,349 | 25,402 | Shares | Defined | 2025-05-14 | |
| 2024-12-31 | $358,341 | 25,873 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $423,888 | 25,337 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $522,955 | 25,337 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $541,274 | 21,852 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $794,101 | 21,852 | Shares | Defined | 2024-04-22 | |
| 2023-09-30 | $1,054,359 | 21,852 | Shares | Defined | 2024-05-09 | |
| 2023-06-30 | $1,492,054 | 21,852 | Shares | Defined | 2024-04-29 | |
| 2023-03-31 | $996,058 | 20,550 | Shares | Defined | 2024-05-09 | |
| 2022-12-31 | $1,178,550 | 19,561 | Shares | Defined | 2024-05-10 | |
| 2022-09-30 | $1,185,983 | 19,561 | Shares | Defined | 2024-05-10 | |
| 2022-06-30 | $531,081 | 19,561 | Shares | Defined | 2024-05-10 | |
| 2022-03-31 | $715,345 | 19,561 | Shares | Defined | 2024-05-10 | |
| 2021-12-31 | $622,934 | 12,610 | Shares | Defined | 2024-05-17 | |
| 2021-09-30 | $898,210 | 12,610 | Shares | Defined | 2024-05-17 | |
| 2021-06-30 | $648,280 | 12,610 | Shares | Defined | 2024-05-17 | |
| 2021-03-31 | $316,763 | 12,610 | Shares | Defined | 2024-05-17 | |
| 2020-12-31 | $220,071 | 18,324 | Shares | Defined | 2024-05-24 | |
| 2020-09-30 | $183,056 | 18,324 | Shares | Defined | 2024-05-24 | |
| 2020-06-30 | $191,669 | 18,324 | Shares | Defined | 2024-05-24 | |
| 2020-03-31 | $196,066 | 18,324 | Shares | Defined | 2023-07-12 | |
| No filing history on record for this holder in this stock. | ||||||