13F Insight
DOSSIER · 13F Holders · Q2 2026
HALO 1 08/15/28

HALOZYME THERAPEUTICS INC

57 institutions still hold HALOZYME THERAPEUTICS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 40637HAF6·57 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$561M
visible holders
Holders
57
filers reporting
Concentration
17.26%
CITADEL ADVISORS LLC #1
top holder share
AI Holders Summary · Q2 2026

57 institutions reported HALO 1 08/15/28 in Q2 2026. CITADEL ADVISORS LLC leads at 17.3% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
CITADEL ADVISORS LLC
CIK 0001423053
$97M66.0M0.01%Q2 202602
LMR Partners LLP
CIK 0001578621
$66M45.0M0.25%Q2 202603
Point72 Asset Management, L.P.
CIK 0001603466
$61M47.4M0.08%Q1 202604
TENOR CAPITAL MANAGEMENT Co., L.P.
CIK 0001346554
$56M37.8M0.78%Q2 202605
Alberta Investment Management Corp
CIK 0001463559· Sovereign
$51M35.0M0.29%Q2 202606
Lombard Odier Asset Management (Europe) Ltd
CIK 0001535784
$29M19.8M1.23%Q2 202607
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$28M18.8M0.01%Q2 202608
ABSOLUTE INVESTMENT ADVISERS, LLC
CIK 0001316187
$20M14.0M1.97%Q2 202609
STATE STREET CORP
CIK 0000093751
$19M13.1M0.00%Q2 202610
LINDEN ADVISORS LP
CIK 0001279396
$19M13.0M0.10%Q2 202611
Calamos Advisors LLC
CIK 0001316507
$17M11.7M0.06%Q2 202612
BlackRock, Inc.
CIK 0002012383
$15M10.2M0.00%Q2 202613
ADVENT CAPITAL MANAGEMENT /DE/
CIK 0001097278
$13M9.1M0.30%Q2 202614
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main
CIK 0001694217
$12M8.1M0.01%Q2 202615
BANK OF MONTREAL /CAN/
CIK 0000927971
$11M10.8M0.00%Q2 202616
O'Connor Alternative Investments LLC
CIK 0002081629
$10M7.0M0.75%Q2 202617
FMR LLC
CIK 0000315066
$10M6.8M0.00%Q2 202618
JPMORGAN CHASE & CO
CIK 0000019617
$9M6.4M0.00%Q2 202619
SSI INVESTMENT MANAGEMENT LLC
CIK 0000938487
$9M6.1M0.52%Q2 202620
OFI INVEST ASSET MANAGEMENT
CIK 0001977602
$9M6.8M0.09%Q2 2026
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