13F Insight
DOSSIER · 13F Holders · Q1 2026
ON 0 05/01/27

ON SEMICONDUCTOR CORP

73 institutions still hold ON SEMICONDUCTOR CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 682189AS4·73 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$797M
visible holders
Holders
73
filers reporting
Concentration
15.82%
STEELHEAD PARTNERS LLC #1
top holder share
AI Holders Summary · Q1 2026

73 institutions reported ON 0 05/01/27 in Q1 2026. STEELHEAD PARTNERS LLC leads at 15.8% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
STEELHEAD PARTNERS LLC
CIK 0001133521
$126M97.7M9.06%Q1 202602
TENOR CAPITAL MANAGEMENT Co., L.P.
CIK 0001346554
$72M56.2M1.11%Q1 202603
Sculptor Capital LP
CIK 0001054587
$65M50.0M0.67%Q1 202604
FMR LLC
CIK 0000315066
$64M49.3M0.00%Q1 202605
Calamos Advisors LLC
CIK 0001316507
$55M42.8M0.20%Q1 202606
JPMORGAN CHASE & CO
CIK 0000019617
$53M42.9M0.00%Q1 202607
MACKAY SHIELDS LLC
CIK 0000061227
$51M39.2M1.85%Q1 202608
BANK OF MONTREAL /CAN/
CIK 0000927971
$40M31.2M0.01%Q1 202609
Alberta Investment Management Corp
CIK 0001463559· Sovereign
$32M25.0M0.19%Q1 202610
BlueCrest Capital Management Ltd
CIK 0001610880
$32M25.0M1.91%Q1 202611
SILVERBACK ASSET MANAGEMENT LLC
CIK 0001278960
$29M22.6M4.16%Q1 202612
Lombard Odier Asset Management (Europe) Ltd
CIK 0001535784
$26M20.5M1.43%Q1 202613
Jain Global LLC
CIK 0002024579
$23M17.5M0.09%Q1 202614
STATE STREET CORP
CIK 0000093751
$22M17.0M0.00%Q1 202615
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$20M15.4M0.01%Q1 202616
VICTORY CAPITAL MANAGEMENT INC
CIK 0001040188
$19M14.8M0.01%Q1 202617
MIZUHO SECURITIES USA LLC
CIK 0000812291
$19M14.8M0.44%Q2 202618
Boussard & Gavaudan Investment Management LLP
CIK 0001614986
$17M14K1.63%Q1 202619
BlackRock, Inc.
CIK 0002012383
$17M13.1M0.00%Q1 202620
ROYAL BANK OF CANADA
CIK 0001000275
$16M12.1M0.00%Q1 2026
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