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Equibles

SUSQUEHANNA INTERNATIONAL GROUP, LLP

Position in ALEC — Alector, Inc.

CIK 1446194 BALA CYNWYD, PA
Back to ALEC Full portfolio

Position in ALEC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$48,487
-$182,846 QoQ
Shares Held
24,123
-77.6% QoQ
Ownership
0.022%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#89
of 140 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ALEC Over Time

Shares Held

Position Value (USD)

Derivatives in ALEC

reported options exposure · as of Jun 30, 2026
CallValue
$273,159
CallShares
135,900
PutValue
$24,924
PutShares
12,400

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. ALEC ranks #294 (0.0% 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 ALEC

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $273,159 135,900
2026-06-30 $24,924 12,400
2026-06-30 $48,487 24,123
2026-03-31 $347,655 161,700
2026-03-31 $231,333 107,597
2025-12-31 $149,604 95,900
2025-12-31 $454,240 291,180
2025-12-31 $285,792 183,200
2025-09-30 $432,456 146,100
2025-09-30 $913,633 308,660
2025-09-30 $248,936 84,100
2025-06-30 $285,317 203,798
2025-03-31 $311,336 253,119
2024-12-31 $377,550 199,762
2024-12-31 $40,446 21,400
2024-09-30 $376,528 80,800
2024-09-30 $356,676 76,540
2024-09-30 $401,226 86,100
2024-06-30 $45,854 10,100
2024-06-30 $93,941 20,692
2024-03-31 $75,250 12,500
2024-03-31 $293,932 48,826
2023-12-31 $181,944 22,800
2023-12-31 $440,496 55,200
2023-12-31 $632,055 79,205
2023-09-30 $538,940 83,170
2023-09-30 $209,304 32,300
2023-09-30 $203,472 31,400
2023-06-30 $296,196 49,284
2023-06-30 $60,701 10,100
2023-03-31 $200,556 32,400
2023-03-31 $77,375 12,500
2023-03-31 $947,168 153,016
2022-12-31 $1,436,188 155,600
2022-12-31 $923,000 100,000
2022-12-31 $557,215 60,370
2022-09-30 $1,845,135 195,046
2022-09-30 $575,168 60,800
2022-09-30 $1,639,418 173,300
2022-06-30 $435,864 42,900
2022-06-30 $180,848 17,800
2022-06-30 $176,570 17,379
2022-03-31 $518,700 36,400
2022-03-31 $963,556 67,618
2022-03-31 $624,150 43,800
2021-12-31 $3,726,953 180,482
2021-12-31 $943,705 45,700
2021-12-31 $2,007,180 97,200
2021-09-30 $2,671,468 117,067
2021-09-30 $3,112,648 136,400