InterDigital, Inc.
InterDigital, Inc. (IDCC) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · IDCC · as of Mar 31, 2025
Ownership Breakdown
499
Institutional Holders
▲ 55 vs Q4
$5.39B
Total Inst. Value
▲ $484.47M vs Q4
25.84M
Shares Outstanding
freeFloat 97.97%
26.30M
13F Shares Held
▲ 942,983 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
IDCC largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. patent owners & lessors | 4.29M | 16.66% | 16.66% | $886.50B | May 2, 2025 | ▲ 23.6K |
VANGUARD GROUP INC patent owners & lessors | 3.29M | 12.80% | 12.80% | $681.15B | May 9, 2025 | ▼ 5.4K |
BOSTON PARTNERS patent owners & lessors | 1.21M | 4.72% | 4.72% | $249.91B | May 13, 2025 | ▼ 405.1K |
DISCIPLINED GROWTH INVESTORS INC /MN patent owners & lessors | 1.08M | 4.21% | 4.21% | $224.19B | May 15, 2025 | ▼ 30.6K |
STATE STREET CORP patent owners & lessors | 1.01M | 3.94% | 3.94% | $209.47B | May 15, 2025 | ▼ 33.0K |
UBS GROUP AG patent owners & lessors | 893.3K | 3.47% | 3.47% | $184.68B | May 13, 2025 | ▲ 450 |
DIMENSIONAL FUND ADVISORS LP patent owners & lessors | 735.2K | 2.86% | 2.86% | $152.02B | May 13, 2025 | ▼ 65.3K |
GEODE CAPITAL MANAGEMENT, LLC patent owners & lessors | 646.7K | 2.51% | 2.51% | $134.12B | May 13, 2025 | ▲ 51.9K |
FIRST TRUST ADVISORS LP patent owners & lessors | 536.0K | 2.08% | 2.08% | $110.82B | May 14, 2025 | ▲ 432.7K |
MORGAN STANLEY patent owners & lessors | 519.7K | 2.02% | 2.02% | $107.44B | May 15, 2025 | ▲ 54.3K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
27
Increased
+1.94M shares1
New Positions
first time holders22
Decreased
−1.48M shares0
Sold Out
fully exitedNet shares change (top 50)
+468.4K
+1.94M / −1.48M
Net new holders
+6
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
IDCC insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
12
Buy transactions
3
Sell transactions
4.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Mattis Julia C Chief Licensing Officer | Jun 3, 2026 | Sale | 1,600 | $257.65 | $412.2K | 11.5K | Form 4 ↗ |
Pankaj Rajesh Chief Technology Officer | May 5, 2026 | Sale | 750 | $278.00 | $208.5K | 71.7K | Form 4 ↗ |
ABERLE DEREK K director | Apr 22, 2026 | Award | 1.94 | — | — | 7.2K | Form 4 ↗ |
Armaly Samir director | Apr 22, 2026 | Award | 1.94 | — | — | 4.2K | Form 4 ↗ |
Chen Lawrence Liren President and CEO | Apr 22, 2026 | Award | 53.92 | — | — | 178.7K | Form 4 ↗ |
Gillman Joan H director | Apr 22, 2026 | Award | 37.236 | — | — | 22.1K | Form 4 ↗ |
HUTCHESON STEWART D director | Apr 22, 2026 | Award | 35.244 | — | — | 21.1K | Form 4 ↗ |
KRITZMACHER JOHN A director | Apr 22, 2026 | Award | 1.94 | — | — | 15.8K | Form 4 ↗ |
Markley John D. Jr. director | Apr 22, 2026 | Award | 6.233 | — | — | 11.2K | Form 4 ↗ |
Mattis Julia C Chief Licensing Officer | Apr 22, 2026 | Award | 16.362 | — | — | 13.1K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
InterDigital, Inc. (IDCC) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 2.03%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of InterDigital, Inc. is BLACKROCK, INC., holding approximately 4.29 million shares — equal to 16.66% of outstanding shares — as of March 31, 2025.
A total of 499 institutional investors currently hold IDCC stock, with a combined institutional value of approximately $5.39 billion as of the most recent 13F filing period.
Frequently asked questions
IDCC ownershipInterDigital, Inc. (IDCC) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is BLACKROCK, INC. with a 16.66% stake. Company insiders hold 2.03%. Data sourced from SEC Form 13F as of March 31, 2025.