MOGY JOEL R INVESTMENT COUNSEL INC
Position in PRTA — Prothena Corp Public Ltd Co
CIK 1126735
BEVERLY HILLS, CA
Position in PRTA
as of Jun 30, 2026
· filed Jul 14, 2026
Position Value
$203,142
+$1,452 QoQ
Shares Held
20,750
0.0% QoQ
Ownership
0.040%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#93
of 187 holders
Holding Since
Jun 2025
5 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, 2026MOGY JOEL R INVESTMENT COUNSEL INC holds $203,142 across 1 Biotechnology name. PRTA ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PRTA |
Prothena Corp Public Ltd Co
This page
|
20,750 | $203,142 |
All Filings in PRTA
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5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $203,142 | 20,750 | Shares | Sole | 2026-07-14 | |
| 2026-03-31 | $201,690 | 20,750 | Shares | Sole | 2026-04-15 | |
| 2025-12-31 | $198,162 | 20,750 | Shares | Sole | 2026-01-30 | |
| 2025-09-30 | $202,520 | 20,750 | Shares | Sole | 2025-10-16 | |
| 2025-06-30 | $125,952 | 20,750 | Shares | Sole | 2025-07-10 | |
| No filing history on record for this holder in this stock. | ||||||