13F Insight
DOSSIER · 13F Holders · Q2 2026
HALO 0.25 03/01/27

HALOZYME THERAPEUTICS INC

54 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 40637HAD1·54 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$218M
visible holders
Holders
54
filers reporting
Concentration
19.88%
M&G Plc #1
top holder share
AI Holders Summary · Q2 2026

54 institutions reported HALO 0.25 03/01/27 in Q2 2026. M&G Plc leads at 19.9% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
M&G Plc
CIK 0001802539
$43M39.0M0.22%Q2 202602
STEELHEAD PARTNERS LLC
CIK 0001133521
$39M35.0M2.79%Q2 202603
JPMORGAN CHASE & CO
CIK 0000019617
$16M14.4M0.00%Q2 202604
CITADEL ADVISORS LLC
CIK 0001423053
$13M11.9M0.00%Q2 202605
SILVERBACK ASSET MANAGEMENT LLC
CIK 0001278960
$12M11.1M1.34%Q2 202606
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main
CIK 0001694217
$12M10.7M0.01%Q2 202607
TPG GP A, LLC
CIK 0001903793
$10M10.0M0.28%Q1 202608
CITIGROUP INC
CIK 0000831001
$9M8.4M0.00%Q2 202609
Point72 Asset Management, L.P.
CIK 0001603466
$8M7.5M0.01%Q1 202610
BALYASNY ASSET MANAGEMENT L.P.
CIK 0001218710
$7M6.2M0.01%Q2 202611
ADVENT CAPITAL MANAGEMENT /DE/
CIK 0001097278
$6M5.7M0.14%Q2 202612
MACKAY SHIELDS LLC
CIK 0000061227
$6M5.4M0.20%Q2 202613
Calamos Advisors LLC
CIK 0001316507
$6M5.4M0.02%Q2 202614
RATIONAL ADVISORS, INC.
CIK 0001143565
$6M5.1M0.52%Q2 202615
PIER 88 INVESTMENT PARTNERS LLC
CIK 0001697366
$6M5.1M1.35%Q2 202616
Sonora Investment Management Group, LLC
CIK 0001907552
$4M3.8M0.31%Q3 202517
Focus Partners Wealth
CIK 0001542153
$4M3.7M0.00%Q2 202618
UBS Group AG
CIK 0001610520
$4M3.2M0.00%Q2 202619
GOLDMAN SACHS GROUP INC
CIK 0000886982
$3M2.8M0.00%Q2 202620
FMR LLC
CIK 0000315066
$3M2.4M0.00%Q2 2026
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