13F Insight
DOSSIER · 13F Holders · Q1 2026Mega-capCrowded
HALO 1 08/15/28

HALOZYME THERAPEUTICS INC

56 institutions still hold HALOZYME THERAPEUTICS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 40637HAF6·56 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 2.5%
vs prior quarter
13F value held
$492M
48.0% inst. owned
of float
Holders
56
-6 QoQ
filers reporting
Activity
+38 / −37
+908 added · −869 reduced
this quarter
Concentration
14.42%
TENOR CAPITAL MANAGEMENT Co., L.P. #1
top holder share
AI Holders Summary · Q1 2026

56 institutions reported HALO 1 08/15/28 in Q1 2026. TENOR CAPITAL MANAGEMENT Co., L.P. leads at 14.4% of the visible book. -6 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
TENOR CAPITAL MANAGEMENT Co., L.P.
CIK 0001346554
$71M55.0M1.09%Q1 202602
Point72 Asset Management, L.P.
CIK 0001603466
$61M47.4M0.08%Q1 202603
LMR Partners LLP
CIK 0001578621
$58M45.0M0.13%Q1 202604
Alberta Investment Management Corp
CIK 0001463559· Sovereign
$45M35.0M0.27%Q1 202605
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$37M28.9M0.02%Q1 202606
CITADEL ADVISORS LLC
CIK 0001423053
$31M23.7M0.00%Q4 202507
Lombard Odier Asset Management (Europe) Ltd
CIK 0001535784
$26M20.0M1.40%Q1 202608
BALYASNY ASSET MANAGEMENT L.P.
CIK 0001218710
$23M17.8M0.03%Q1 202609
ABSOLUTE INVESTMENT ADVISERS, LLC
CIK 0001316187
$18M14.0M2.11%Q1 202610
LINDEN ADVISORS LP
CIK 0001279396
$17M13.0M0.09%Q1 202611
Calamos Advisors LLC
CIK 0001316507
$15M11.6M0.05%Q1 202612
JPMORGAN CHASE & CO
CIK 0000019617
$13M10.7M0.00%Q1 202613
STATE STREET CORP
CIK 0000093751
$12M9.0M0.00%Q1 202614
FRANKLIN RESOURCES INC
CIK 0000038777
$11M8.4M0.00%Q1 202615
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main
CIK 0001694217
$10M8.1M0.01%Q1 202616
ADVENT CAPITAL MANAGEMENT /DE/
CIK 0001097278
$10M7.9M0.28%Q1 202617
BlackRock, Inc.
CIK 0002012383
$10M7.6M0.00%Q1 202618
FMR LLC
CIK 0000315066
$9M6.7M0.00%Q1 202619
Invesco Ltd.
CIK 0000914208
$8M6.5M0.00%Q1 202620
WELLS FARGO & COMPANY/MN
CIK 0000072971
$8M6.1M0.00%Q1 2026
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