Skip to main content

IDCC

InterDigital, Inc.

Company with tickers: IDCC

CIK
1405495
CUSIP
45867G101
Shares Outstanding
25,845,029
13F Activity (30d)
18 filings 14 filers

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: 567
Total Value: $8,162,983,292
Total Shares: 27,029,746
Showing 1–100 of 588 holdings by value · page 1 of 6

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 567 13F filers · Δ vs Dec 31, 2025
Top Holder
14.1%
Jun 2023 → Mar 2026 · range 14.1% – 18.0%
−1.4 pts
Top 5
35.2%
Jun 2023 → Mar 2026 · range 35.2% – 42.9%
−6.7 pts
Top 10
49.1%
Jun 2023 → Mar 2026 · range 49.1% – 56.1%
−5.1 pts
HHI
404
Jun 2023 → Mar 2026 · range 404 – 615
Broadly held−116

Quarterly Activity

vs Dec 31, 2025
New
81
Increased
221
Decreased
187
Sold Out
86
Unchanged
78
Holder count: -5
Institutional value: -7.2%
Shares held: -2.2%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 588
Export CSV
Holder Value (USD) % of 13F Shares Open