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ARK Investment Management LLC

Position in IONS — Ionis Pharmaceuticals Inc

CIK 1697748 ST. PETERSBURG, FL

Position in IONS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$23,848,053
+$2,168,369 QoQ
Shares Held
300,770
+4.2% QoQ
Ownership
0.181%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
#75
of 510 holders
Holding Since
Mar 2020
26 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, 2026

ARK Investment Management LLC holds $1,628,434,493 across 17 Biotechnology names. IONS ranks #8 (1.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 IONS
Ionis Pharmaceuticals Inc
This page
300,770 $23,848,053

All Filings in IONS

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $23,848,053 300,770
2026-03-31 $21,679,684 288,716
2025-12-31 $33,460,998 422,968
2025-09-30 $41,294,085 631,215
2025-06-30 $35,571,564 900,318
2025-03-31 $30,185,899 1,000,527
2024-12-31 $35,843,089 1,025,260
2024-09-30 $55,453,816 1,384,269
2024-06-30 $64,866,451 1,361,025
2024-03-31 $60,683,584 1,399,852
2023-12-31 $96,376,783 1,905,056
2023-09-30 $107,338,407 2,366,367
2023-06-30 $99,400,549 2,422,631
2023-03-31 $94,253,242 2,637,192
2022-12-31 $100,979,530 2,673,538
2022-09-30 $164,230,722 3,713,107
2022-06-30 $174,042,014 4,701,297
2022-03-31 $228,585,248 6,171,308
2021-12-31 $215,543,480 7,083,256
2021-09-30 $285,471,819 8,511,384
2021-06-30 $355,329,469 8,907,733
2021-03-31 $231,196,504 5,142,271
2020-12-31 $135,670,783 2,399,554
2020-09-30 $23,846,472 502,560
2020-06-30 $20,289,963 344,131
2020-03-31 $5,658,517 119,681