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Equibles

SUSQUEHANNA INTERNATIONAL GROUP, LLP

Position in SLS — SELLAS Life Sciences Group, Inc.

CIK 1446194 BALA CYNWYD, PA
Back to SLS Full portfolio

Position in SLS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$30,266,811
+$28,587,265 QoQ
Shares Held
2,050,597
+416.5% QoQ
Ownership
1.02%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#8
of 192 holders
Holding Since
Jun 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SLS Over Time

Shares Held

Position Value (USD)

Derivatives in SLS

reported options exposure · as of Jun 30, 2026
CallValue
$105,640,272
CallShares
7,157,200
PutValue
$61,832,592
PutShares
4,189,200

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. SLS ranks #16 (1.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ABVX
Abivax S.A.
 1,053,896 $140,442,180
2 CYTK
Cytokinetics Inc
 1,549,458 $131,998,327
3 REGN
Regeneron Pharmaceuticals, Inc.
 180,219 $112,373,755
4 ALNY
Alnylam Pharmaceuticals, Inc.
 294,460 $88,641,293
5 MDGL
Madrigal Pharmaceuticals, Inc.
 148,610 $79,796,139
6 INSM
INSMED Inc
 729,354 $77,763,723
7 VRTX
Vertex Pharmaceuticals Inc / Ma
 144,174 $71,615,550
8 AGIO
Agios Pharmaceuticals, Inc.
 1,375,558 $51,046,957

All Filings in SLS

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $30,266,811 2,050,597
2026-06-30 $61,832,592 4,189,200
2026-06-30 $105,640,272 7,157,200
2026-03-31 $1,679,546 397,056
2026-03-31 $32,249,943 7,624,100
2026-03-31 $4,062,492 960,400
2025-12-31 $1,043,159 276,700
2025-12-31 $21,472,035 5,695,500
2025-12-31 $1,318,575 349,755
2025-09-30 $4,488,841 2,788,100
2025-09-30 $97,083 60,300
2025-09-30 $1,390,355 863,575
2025-06-30 $505,452 230,800
2025-06-30 $3,262,381 1,489,672
2025-06-30 $57,597 26,300
2025-03-31 $12,312 11,400
2025-03-31 $743,791 688,696
2024-12-31 $21,840 21,000
2024-12-31 $1,596,192 1,534,800
2024-09-30 $1,820,250 1,456,200
2024-06-30 $53,074 44,600
2024-06-30 $1,951,481 1,639,900
2024-03-31 $1,386,427 1,372,700
2024-03-31 $23,331 23,100
2023-12-31 $538,056 507,600
2023-12-31 $32,224 30,400
2023-09-30 $78,556 47,900
2023-09-30 $115,531 70,446
2023-06-30 $24,275 15,462
2023-06-30 $68,923 43,900
2023-03-31 $222,937 155,900
2023-03-31 $15,158 10,600
2022-12-31 $26,904 11,400
2022-12-31 $672,836 285,100
2022-09-30 $50,096 24,800
2022-09-30 $314,716 155,800
2022-06-30 $287,893 129,100
2022-06-30 $69,130 31,000
2022-03-31 $305,944 45,800
2022-03-31 $785,568 117,600
2022-03-31 $678,380 101,554
2021-12-31 $516,850 93,463
2021-12-31 $396,501 71,700
2021-12-31 $592,263 107,100
2021-09-30 $1,580,100 172,500
2021-09-30 $1,019,508 111,300
2021-09-30 $1,033,852 112,866
2021-06-30 $953,490 85,900
2021-06-30 $629,370 56,700
2021-06-30 $2,650,990 238,828