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CITADEL ADVISORS LLC

Position in HALO — Halozyme Therapeutics, Inc.

CIK 1423053 MIAMI, FL

Position in HALO

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$12,347,626
+$12,347,626 QoQ
Shares Held
191,051
Ownership
0.161%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in HALO Over Time

Shares Held

Position Value (USD)

Derivatives in HALO

reported options exposure · as of Mar 31, 2026
CallValue
$3,102,240
CallShares
48,000
PutValue
$2,766,164
PutShares
42,800

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 Biotechnology

Healthcare · as of Mar 31, 2026

CITADEL ADVISORS LLC holds $5,784,241,435 across 374 Biotechnology names. HALO ranks #85 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in HALO

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $3,102,240 48,000
2026-03-31 $2,766,164 42,800
2026-03-31 $12,347,626 191,051
2025-12-31 $1,325,810 19,700
2025-12-31 $1,090,260 16,200
2025-09-30 $17,953,704 244,801
2025-09-30 $2,904,264 39,600
2025-09-30 $3,740,340 51,000
2025-06-30 $2,824,686 54,300
2025-06-30 $16,198,923 311,398
2025-06-30 $2,439,738 46,900
2025-03-31 $1,729,251 27,100
2025-03-31 $1,952,586 30,600
2025-03-31 $5,066,960 79,407
2024-12-31 $60,372,411 1,262,757
2024-12-31 $1,811,999 37,900
2024-12-31 $5,335,596 111,600
2024-09-30 $2,501,388 43,700
2024-09-30 $2,266,704 39,600
2024-06-30 $18,205,518 347,699
2024-06-30 $1,000,076 19,100
2024-06-30 $591,668 11,300
2024-03-31 $736,308 18,100
2024-03-31 $720,036 17,700
2024-03-31 $12,259,568 301,366
2023-12-31 $702,240 19,000
2023-12-31 $554,400 15,000
2023-12-31 $6,828,876 184,764
2023-09-30 $282,680 7,400
2023-09-30 $7,048,281 184,510
2023-09-30 $1,379,020 36,100
2023-06-30 $41,546,110 1,151,819
2023-06-30 $1,118,170 31,000
2023-06-30 $483,338 13,400
2023-03-31 $679,782 17,800
2023-03-31 $35,189,067 921,421
2023-03-31 $954,750 25,000
2022-12-31 $1,280,250 22,500
2022-12-31 $2,384,110 41,900
2022-12-31 $14,354,390 252,274
2022-09-30 $818,478 20,700
2022-09-30 $1,292,958 32,700
2022-09-30 $788,743 19,948
2022-06-30 $699,600 15,900
2022-06-30 $2,798,400 63,600
2022-06-30 $23,863,224 542,346
2022-03-31 $393,535 9,868
2022-03-31 $2,193,400 55,000
2022-03-31 $733,792 18,400
2021-12-31 $5,933,789 147,570