Position in IONS
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$7,079,011
-$4,252,971 QoQ
Shares Held
89,280
-40.8% QoQ
Ownership
0.054%
of shares outstanding
% of Portfolio
0.35%
of 13F equity value
Holder Rank
#129
of 510 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IONS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026CenterBook Partners LP holds $153,986,062 across 51 Biotechnology names. IONS ranks #8 (4.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BNTX |
BioNTech SE
|
251,083 | $23,363,273 | |
| 2 | LEGN |
Legend Biotech Corp
|
452,907 | $13,079,954 | |
| 3 | INSM |
INSMED Inc
|
103,151 | $10,997,959 | |
| 4 | MLYS |
Mineralys Therapeutics, Inc.
|
365,630 | $9,864,697 | |
| 5 | REGN |
Regeneron Pharmaceuticals, Inc.
|
15,486 | $9,656,140 | |
| 6 | GPCR |
Structure Therapeutics Inc.
|
148,030 | $7,944,770 | |
| 7 | VERA |
Vera Therapeutics, Inc.
|
179,467 | $7,700,928 | |
| 8 | IONS |
Ionis Pharmaceuticals Inc
This page
|
89,280 | $7,079,011 |
All Filings in IONS
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $7,079,011 | 89,280 | Shares | Sole | 2026-08-11 | |
| 2026-03-31 | $11,331,982 | 150,912 | Shares | Sole | 2026-05-05 | |
| 2025-12-31 | $12,178,905 | 153,949 | Shares | Sole | 2026-02-11 | |
| No filing history on record for this holder in this stock. | ||||||