13F Insight
DOSSIER · 13F Holders · Q2 2026
IDCC 3.5 06/01/27

INTERDIGITAL INC

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

CUSIP 45867GAD3·30 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$1.0B
visible holders
Holders
30
filers reporting
Concentration
20.10%
Polar Asset Management Partners Inc. #1
top holder share
AI Holders Summary · Q2 2026

30 institutions reported IDCC 3.5 06/01/27 in Q2 2026. Polar Asset Management Partners Inc. leads at 20.1% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Polar Asset Management Partners Inc.
CIK 0001326389
$209M56.8M3.44%Q2 202602
DeepCurrents Investment Group LLC
CIK 0001754535
$153M41.8M4.64%Q2 202603
CAPSTONE INVESTMENT ADVISORS, LLC
CIK 0001426196
$128M34.9M0.24%Q2 202604
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$112M30.5M0.04%Q2 202605
Alberta Investment Management Corp
CIK 0001463559· Sovereign
$110M30.0M0.61%Q2 202606
Aequim Alternative Investments LP
CIK 0001728201
$82M22.3M1.27%Q2 202607
NOMURA HOLDINGS INC
CIK 0001163653
$43M153K0.05%Q2 202608
Calamos Advisors LLC
CIK 0001316507
$37M10.1M0.12%Q2 202609
STATE STREET CORP
CIK 0000093751
$36M10.0M0.00%Q2 202610
BlackRock, Inc.
CIK 0002012383
$29M7.9M0.00%Q2 202611
FMR LLC
CIK 0000315066
$19M5.2M0.00%Q2 202612
LOOMIS SAYLES & CO L P
CIK 0000312348
$16M56K0.02%Q2 202613
LORD, ABBETT & CO. LLC
CIK 0000728100
$12M3.2M0.04%Q1 202614
THRIVENT FINANCIAL FOR LUTHERANS
CIK 0000314984
$12M3.0M0.02%Q1 202615
ADVENT CAPITAL MANAGEMENT /DE/
CIK 0001097278
$9M2.5M0.20%Q2 202616
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$9M2.4M0.01%Q2 202617
JPMORGAN CHASE & CO
CIK 0000019617
$8M2.4M0.00%Q2 202618
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$6M1.6M0.00%Q1 202619
SSI INVESTMENT MANAGEMENT LLC
CIK 0000938487
$6M1.7M0.36%Q2 202620
Elequin Capital, LP
CIK 0001810873
$4M1.2M0.13%Q2 2026
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