Position in IONS
as of Mar 31, 2026
· filed May 5, 2026
Position Value
$11,331,982
-$846,923 QoQ
Shares Held
150,912
-2.0% QoQ
Ownership
0.091%
of shares outstanding
% of Portfolio
0.61%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IONS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026CenterBook Partners LP holds $104,676,185 across 36 Biotechnology names. IONS ranks #2 (10.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BNTX |
BioNTech SE
|
171,166 | $15,213,234 | |
| 2 | IONS |
Ionis Pharmaceuticals Inc
This page
|
150,912 | $11,331,982 | |
| 3 | ARGX |
Argenx SE
|
13,934 | $10,175,303 | |
| 4 | RPRX |
Royalty Pharma plc
|
157,177 | $7,539,780 | |
| 5 | INSM |
INSMED Inc
|
35,232 | $5,761,136 | |
| 6 | TVTX |
Travere Therapeutics, Inc.
|
157,122 | $4,668,094 | |
| 7 | REGN |
Regeneron Pharmaceuticals, Inc.
|
5,060 | $3,909,558 | |
| 8 | VERA |
Vera Therapeutics, Inc.
|
97,003 | $3,902,430 |
All Filings in IONS
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2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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. | ||||||