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IDCC · InterDigital, Inc. · Holdings

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Market Cap
$9.04B
Shares
25.81M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 513
Total Value: $8,079,121,355
Total Shares: 28,577,721
Showing 1–100 of 532 holdings by value · page 1 of 6

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 513 13F filers · Δ vs Mar 31, 2026
Top Holder
13.7%
Sep 2023 → Jun 2026 · range 13.2% – 17.7%
+0.5 pts
Top 5
36.6%
Sep 2023 → Jun 2026 · range 35.3% – 42.9%
+1.3 pts
Top 10
52.3%
Sep 2023 → Jun 2026 · range 50.0% – 56.1%
+2.2 pts
HHI
424
Sep 2023 → Jun 2026 · range 391 – 601
Broadly held+33

Quarterly Activity

vs Mar 31, 2026
New
53
Increased
190
Decreased
198
Sold Out
116
Unchanged
72
Holder count: -63
Institutional value: -2.0%
Shares held: +4.7%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 532
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1405495 CUSIP 45867G101 13F (30d) 174 filings 172 filers Visit website Investor relations