CANADA PENSION PLAN INVESTMENT BOARD
PensionPosition in PRTA — Prothena Corp Public Ltd Co
CIK 1283718
TORONTO ONTARIO, A6
Position in PRTA
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$234,960
+$167,155 QoQ
Shares Held
24,000
+238.0% QoQ
Ownership
0.047%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#91
of 187 holders
Holding Since
Mar 2023
3 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, 2026CANADA PENSION PLAN INVESTMENT BOARD holds $1,122,840,645 across 119 Biotechnology names. PRTA ranks #78 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
355,082 | $176,379,881 | |
| 2 | KLRA |
Kailera Therapeutics, Inc.
|
7,304,688 | $160,922,276 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
209,911 | $130,887,904 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
334,246 | $100,618,073 | |
| 5 | ARGX |
Argenx SE
|
60,577 | $56,201,523 | |
| 6 | AXSM |
Axsome Therapeutics, Inc.
|
225,400 | $55,171,158 | |
| 7 | INCY |
Incyte Corp
|
442,500 | $50,161,800 | |
| 8 | SPTX |
Seaport Therapeutics, Inc.
|
1,975,791 | $42,914,180 |
All Filings in PRTA
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $234,960 | 24,000 | Shares | Sole | 2026-08-14 | |
| 2025-12-31 | $67,805 | 7,100 | Shares | Sole | 2026-02-17 | |
| 2023-03-31 | $1,298,996 | 26,800 | Shares | Sole | 2023-05-15 | |
| No filing history on record for this holder in this stock. | ||||||