Position in IONS
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$45,591,750
+$2,415,000 QoQ
Shares Held
575,000
0.0% QoQ
Ownership
0.346%
of shares outstanding
% of Portfolio
0.61%
of 13F equity value
Holder Rank
#50
of 514 holders
Holding Since
Jun 2022
8 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, 2026EVENTIDE ASSET MANAGEMENT, LLC holds $1,774,593,873 across 55 Biotechnology names. IONS ranks #14 (2.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MIRM |
Mirum Pharmaceuticals, Inc.
|
1,248,389 | $146,148,900 | |
| 2 | ARGX |
Argenx SE
|
125,668 | $116,591,000 | |
| 3 | SRRK |
Scholar Rock Holding Corp
|
2,111,410 | $116,127,550 | |
| 4 | PCVX |
Vaxcyte, Inc.
|
1,380,219 | $80,232,130 | |
| 5 | AXSM |
Axsome Therapeutics, Inc.
|
316,820 | $77,548,031 | |
| 6 | RPRX |
Royalty Pharma plc
|
1,380,261 | $77,391,234 | |
| 7 | INSM |
INSMED Inc
|
583,665 | $62,230,362 | |
| 8 | BLTE |
Belite Bio, Inc
|
390,829 | $60,181,803 |
All Filings in IONS
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $45,591,750 | 575,000 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $43,176,750 | 575,000 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $45,488,250 | 575,000 | Shares | Sole | 2026-02-13 | |
| 2023-06-30 | $4,513,300 | 110,000 | Shares | Sole | 2023-08-15 | |
| 2023-03-31 | $3,931,400 | 110,000 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $4,154,700 | 110,000 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $4,865,300 | 110,000 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $4,072,200 | 110,000 | Shares | Sole | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||