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JANE STREET GROUP, LLC

Position in ALT — Altimmune, Inc.

CIK 1595888 NEW YORK, NY

Position in ALT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$0
+$0 QoQ
Shares Held
0
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2020
25 quarters on record

Common Shares in ALT Over Time

Shares Held

Position Value (USD)

Derivatives in ALT

reported options exposure · as of Jun 30, 2026
CallValue
$691,296
CallShares
227,400
PutValue
$150,176
PutShares
49,400

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

JANE STREET GROUP, LLC holds $1,372,940,661 across 293 Biotechnology names.

# Ticker Company Shares Value (USD) Open

All Filings in ALT

Export CSV
49 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $150,176 49,400
2026-06-30 $691,296 227,400
2026-03-31 $937,244 304,300
2026-03-31 $173,712 56,400
2025-12-31 $376,884 104,400
2025-12-31 $576,878 159,800
2025-12-31 $6,440,058 1,783,950
2025-09-30 $258,999 68,700
2025-09-30 $221,299 58,700
2025-09-30 $1,056,349 280,199
2025-06-30 $125,388 32,400
2025-06-30 $369,198 95,400
2025-03-31 $159,000 31,800
2025-03-31 $763,210 152,642
2025-03-31 $242,000 48,400
2024-12-31 $2,009,065 278,650
2024-12-31 $533,540 74,000
2024-12-31 $827,708 114,800
2024-09-30 $246,828 40,200
2024-09-30 $299,632 48,800
2024-09-30 $2,349,549 382,663
2024-06-30 $906,068 136,251
2024-03-31 $1,034,053 101,577
2023-12-31 $6,529,994 580,444
2023-09-30 $153,266 58,949
2023-06-30 $1,024,674 290,276
2023-03-31 $771,225 182,755
2022-12-31 $4,032,601 245,143
2022-09-30 $2,944,289 230,563
2022-06-30 $517,303 44,214
2022-03-31 $284,609 46,734
2022-03-31 $141,288 23,200
2021-12-31 $348,573 38,054
2021-12-31 $828,064 90,400
2021-12-31 $449,756 49,100
2021-09-30 $2,152,293 190,300
2021-09-30 $245,618 21,717
2021-09-30 $724,971 64,100
2021-06-30 $1,820,318 184,804
2021-06-30 $1,102,215 111,900
2021-06-30 $988,940 100,400
2021-03-31 $1,485,063 105,100
2021-03-31 $1,328,629 94,029
2021-03-31 $1,178,442 83,400
2020-12-31 $870,816 77,200
2020-12-31 $347,705 30,825
2020-12-31 $1,096,416 97,200
2020-09-30 $1,123,320 85,100
2020-06-30 $498,015 46,500