Skip to main content

JANE STREET GROUP, LLC

Position in ALKS — Alkermes plc.

CIK 1595888 NEW YORK, NY

Position in ALKS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$523,475
+$321,924 QoQ
Shares Held
9,990
+75.3% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#239
of 424 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ALKS Over Time

Shares Held

Position Value (USD)

Derivatives in ALKS

reported options exposure · as of Jun 30, 2026
CallValue
$403,480
CallShares
7,700
PutValue
$14,189,920
PutShares
270,800

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 Drug Manufacturers - Specialty & Generic

Healthcare · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $557,642,679 across 56 Drug Manufacturers - Specialty & Generic names. ALKS ranks #29 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ALKS

Export CSV
43 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $403,480 7,700
2026-06-30 $523,475 9,990
2026-06-30 $14,189,920 270,800
2026-03-31 $201,551 5,700
2026-03-31 $417,248 11,800
2026-03-31 $307,632 8,700
2025-12-31 $1,700,343 60,770
2025-12-31 $263,012 9,400
2025-12-31 $954,118 34,100
2025-09-30 $1,482,000 49,400
2025-09-30 $11,765,430 392,181
2025-09-30 $3,336,000 111,200
2025-06-30 $10,216,544 357,097
2025-03-31 $17,325,163 524,687
2025-03-31 $221,234 6,700
2024-12-31 $402,640 14,000
2024-12-31 $9,428,706 327,841
2024-09-30 $7,322,966 261,628
2024-09-30 $209,925 7,500
2024-06-30 $4,998,194 207,394
2024-03-31 $2,023,698 74,758
2023-12-31 $2,972,395 107,152
2023-09-30 $2,972,532 106,124
2023-06-30 $5,496,028 175,592
2023-03-31 $2,779,899 98,613
2022-12-31 $1,000,412 38,286
2022-06-30 $2,440,754 81,932
2022-03-31 $886,647 33,700
2022-03-31 $918,928 34,927
2022-03-31 $520,938 19,800
2021-12-31 $2,533,014 108,900
2021-12-31 $516,372 22,200
2021-09-30 $619,884 20,100
2021-09-30 $1,100,988 35,700
2021-09-30 $1,492,656 48,400
2021-06-30 $561,508 22,900
2021-06-30 $704,654 28,738
2021-06-30 $799,352 32,600
2021-03-31 $254,925 13,647
2020-12-31 $1,020,442 51,150
2020-06-30 $449,030 23,134
2020-03-31 $148,236 10,280
2020-03-31 $1,442,000 100,000