Skip to main content

SUSQUEHANNA INTERNATIONAL GROUP, LLP

Position in IONS — Ionis Pharmaceuticals Inc

CIK 1446194 BALA CYNWYD, PA

Position in IONS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$304,394
-$623,643 QoQ
Shares Held
3,839
-68.9% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#342
of 514 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)

Derivatives in IONS

reported options exposure · as of Jun 30, 2026
CallValue
$103,108,716
CallShares
1,300,400
PutValue
$65,184,309
PutShares
822,100

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Jun 30, 2026

SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $1,653,301,875 across 349 Biotechnology names. IONS ranks #194 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in IONS

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $65,184,309 822,100
2026-06-30 $304,394 3,839
2026-06-30 $103,108,716 1,300,400
2026-03-31 $56,753,022 755,800
2026-03-31 $34,113,387 454,300
2026-03-31 $928,037 12,359
2025-12-31 $2,571,391 32,504
2025-12-31 $23,108,031 292,100
2025-12-31 $41,414,085 523,500
2025-09-30 $13,522,314 206,700
2025-09-30 $32,710,000 500,000
2025-09-30 $27,538,549 420,950
2025-06-30 $3,844,323 97,300
2025-06-30 $17,013,006 430,600
2025-03-31 $2,166,537 71,811
2025-03-31 $5,382,328 178,400
2025-03-31 $2,911,405 96,500
2024-12-31 $4,862,936 139,100
2024-12-31 $911,197 26,064
2024-12-31 $3,646,328 104,300
2024-09-30 $2,351,522 58,700
2024-09-30 $2,292,994 57,239
2024-09-30 $3,296,938 82,300
2024-06-30 $18,506,378 388,300
2024-06-30 $4,568,591 95,858
2024-06-30 $5,800,222 121,700
2024-03-31 $5,787,225 133,500
2024-03-31 $8,297,190 191,400
2024-03-31 $6,028,293 139,061
2023-12-31 $2,738,588 54,133
2023-12-31 $7,927,453 156,700
2023-12-31 $21,687,933 428,700
2023-09-30 $4,025,200 88,739
2023-09-30 $11,575,872 255,200
2023-09-30 $5,270,832 116,200
2023-06-30 $6,873,180 167,516
2023-06-30 $5,912,423 144,100
2023-06-30 $6,072,440 148,000
2023-03-31 $1,998,580 55,920
2023-03-31 $5,328,834 149,100
2023-03-31 $1,454,618 40,700
2022-12-31 $2,500,374 66,200
2022-12-31 $3,663,690 97,000
2022-12-31 $2,185,825 57,872
2022-09-30 $3,618,014 81,800
2022-09-30 $1,807,680 40,870
2022-09-30 $5,798,553 131,100
2022-06-30 $1,390,212 37,553
2022-06-30 $3,435,456 92,800
2022-06-30 $6,126,810 165,500