InterDigital, Inc (IDCC) Ownership
IDCC ownership summary
as of October 18, 2026- Institutions
- 109.1% of shares outstanding
- Insiders
- 1.67% of shares outstanding
- Shares outstanding
- 25.8M
- Float
- 25.3M shares available to trade
- Short interest
- 13.26% 2.8M shares short
- Days to cover
- 13.17 short interest down 3.2% vs prior month
- Institutions 109.14%
- Insiders 1.67%
IDCC top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 15.14% | 3.9M | $1.25B | +297,052 (+8.2%) | June 30, 2026 |
| 2 | T. Rowe Price Associates, Inc. | 10.13% | 2.6M | $834.8M | +341,921 (+15.0%) | June 30, 2026 |
| 3 | Vanguard Portfolio Management, LLC | 6.29% | 1.6M | $518.0M | +32,002 (+2.0%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 4.51% | 1.2M | $371.6M | +16,934 (+1.5%) | June 30, 2026 |
| 5 | Boston Partners Global Investors, Inc | 4.43% | 1.1M | $364.8M | +165,356 (+16.9%) | June 30, 2026 |
| 6 | State Street Corp | 3.90% | 1.0M | $321.7M | +49,673 (+5.2%) | June 30, 2026 |
| 7 | Geode Capital Management, LLC | 3.57% | 920K | $293.9M | +67,999 (+8.0%) | June 30, 2026 |
| 8 | T. Rowe Price Investment Management,Inc. | 2.89% | 746K | $238.3M | +211,365 (+39.5%) | June 30, 2026 |
| 9 | Dimensional Fund Advisors, Inc. | 2.59% | 668K | $213.4M | −207 (−0.0%) | June 30, 2026 |
| 10 | Ameriprise Financial Inc | 2.19% | 565K | $180.5M | +38,234 (+7.3%) | June 30, 2026 |
| 11 | FMR Inc | 2.08% | 538K | $171.7M | +307,352 (+133.5%) | June 30, 2026 |
| 12 | Disciplined Growth Investors Inc | 1.98% | 510K | $162.9M | −46,692 (−8.4%) | June 30, 2026 |
| 13 | Reinhart Mahoney Capital Management Inc | 1.78% | 460K | $147.0M | +38,115 (+9.0%) | June 30, 2026 |
| 14 | Congress Asset Management Company, LLP | 1.63% | 421K | $134.6M | +35,420 (+9.2%) | June 30, 2026 |
| 15 | First Trust Advisors L.P. | 1.61% | 416K | $132.7M | +15,077 (+3.8%) | June 30, 2026 |
| 16 | NORGES BANK | 1.33% | 344K | $109.9M | −60,594 (−15.0%) | June 30, 2026 |
| 17 | Morgan Stanley - Brokerage Accounts | 1.31% | 339K | $108.3M | −47,224 (−12.2%) | June 30, 2026 |
| 18 | Northern Trust Corp | 1.31% | 337K | $107.6M | +8,626 (+2.6%) | June 30, 2026 |
| 19 | Charles Schwab Investment Management Inc | 1.28% | 330K | $105.5M | +5,559 (+1.7%) | June 30, 2026 |
| 20 | Amvescap Plc. | 1.24% | 319K | $101.8M | +151,726 (+90.8%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 16 holders added 1.8M shares and 4 cut 155K.
IDCC top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Mid-Cap ETF | 3.56% | 919K | $293.5M | −324 (−0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.18% | 821K | $262.2M | −911 (−0.1%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.62% | 676K | $215.9M | −7,808 (−1.1%) | September 30, 2026 |
| 4 | JHancock Disciplined Value Mid Cap I | 2.44% | 629K | $201.0M | −10,060 (−1.6%) | August 31, 2026 |
| 5 | Vanguard Small Cap Index | 2.30% | 595K | $189.9M | +559 (+0.1%) | August 31, 2026 |
| 6 | T. Rowe Price Small-Cap Stock | 1.71% | 442K | $141.2M | −294 (−0.1%) | August 31, 2026 |
| 7 | T. Rowe Price All-Cap Opportunities Fund | 1.58% | 409K | $130.5M | −17,771 (−4.2%) | August 31, 2026 |
| 8 | Vanguard Information Technology ETF | 1.44% | 373K | $119.0M | −45,208 (−10.8%) | August 31, 2026 |
| 9 | T. Rowe Price Integrated US Sm Gr Eq | 1.41% | 363K | $116.0M | −8,560 (−2.3%) | August 31, 2026 |
| 10 | Vanguard MStar Small Cap Growth Indx Inv | 1.32% | 341K | $109.0M | −2,847 (−0.8%) | August 31, 2026 |
| 11 | T. Rowe Price Comm & Tech Investor | 1.25% | 323K | $103.3M | −6,410 (−1.9%) | August 31, 2026 |
| 12 | First Trust SMID Cp Rising Div Achv ETF | 1.16% | 300K | $95.8M | — | September 30, 2026 |
| 13 | Fidelity Small Cap Growth | 1.15% | 296K | $94.5M | +58,566 (+24.7%) | July 31, 2026 |
| 14 | Fidelity Small Cap Index | 1.11% | 286K | $91.2M | +2,369 (+0.8%) | July 31, 2026 |
| 15 | T. Rowe Price Value | 1.05% | 271K | $86.5M | −460 (−0.2%) | August 31, 2026 |
| 16 | iShares Russell 2000 Growth ETF | 0.95% | 244K | $78.1M | −309 (−0.1%) | September 30, 2026 |
| 17 | T. Rowe Price Instl Small-Cap Stock | 0.93% | 240K | $76.7M | — | August 31, 2026 |
| 18 | Invesco S&P MidCap Quality ETF | 0.86% | 223K | $71.1M | +235 (+0.1%) | September 30, 2026 |
| 19 | Columbia Small Cap Growth Inst | 0.84% | 217K | $69.3M | — | August 31, 2026 |
| 20 | Congress Small Cap Growth Institutional | 0.78% | 200K | $63.9M | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
IDCC insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-06 | Rajesh Pankaj | Sell | $313.30 | 1,500 | $469,950 |
| 2026-03-17 | Joshua D Schmidt | Sell | $348.21 | 6,000 | $2.1M |
| 2026-03-05 | Rajesh Pankaj | Sell | $368.10 | 1,000 | $368,100 |
| 2026-02-27 | Joshua D Schmidt | Sell | $365.86 | 467 | $170,857 |
| 2026-02-11 | Joan H Gillman | Sell | $352.24 | 325 | $114,478 |
| 2026-02-11 | Richard Brezski | Sell | $352.24 | 2,000 | $704,480 |
| 2026-02-10 | John D Jr. Markley | Sell | $374.95 | 700 | $262,465 |
| 2026-02-10 | Richard Brezski | Sell | $360.80 | 6,005 | $2.2M |
| 2026-02-05 | Rajesh Pankaj | Sell | $326.26 | 1,000 | $326,260 |
| 2026-01-27 | Lawrence Liren Chen | Sell | $327.62 | 5,958 | $2.0M |
| 2026-01-20 | Lawrence Liren Chen | Sell | $303.77 | 2,975 | $903,716 |
| 2026-01-13 | Lawrence Liren Chen | Sell | $310.82 | 2,975 | $924,690 |
| 2026-01-06 | Lawrence Liren Chen | Sell | $334.08 | 2,975 | $993,888 |
| 2026-01-06 | Richard Brezski | Sell | $324.08 | 5,002 | $1.6M |
| 2026-01-05 | Rajesh Pankaj | Sell | $326.75 | 1,000 | $326,750 |
| 2026-01-05 | Richard Brezski | Sell | $330.49 | 6,981 | $2.3M |
| 2025-12-31 | Joshua D Schmidt | Sell | $325.34 | 466 | $151,608 |
| 2025-12-30 | Lawrence Liren Chen | Sell | $329.50 | 2,975 | $980,262 |
| 2025-12-23 | John A Kritzmacher | Sell | $331.00 | 1,250 | $413,750 |
| 2025-12-09 | John A Kritzmacher | Sell | $357.37 | 1,250 | $446,712 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
IDCC shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns IDCC
Institutional investors own 109.1% of InterDigital's shares and insiders 1.67%. The largest holder is BlackRock Inc with 15.14% of the shares (3.9M), as of June 30, 2026. Among the top 20 institutions, 16 added shares and 4 reduced their stake in the latest filings. Short interest is 13.26% of the float, or 13.17 days of average trading volume. The share count fell 10.4% since 2014.
Related: IDCC analyst forecast, IDCC key metrics, IDCC dividend history. See the IDCC stock overview for the latest quote and news.
IDCC ownership FAQ
Who owns the most InterDigital stock?
The largest shareholders of InterDigital are BlackRock Inc (15.14%), T. Rowe Price Associates, Inc. (10.13%), Vanguard Portfolio Management, LLC (6.29%), Vanguard Capital Management, LLC (4.51%), Boston Partners Global Investors, Inc (4.43%).
What percentage of InterDigital is owned by institutions?
Institutions hold 109.1% of InterDigital's shares outstanding; insiders hold 1.67%.
Which funds own InterDigital?
The largest fund holders of InterDigital are iShares Core S&P Mid-Cap ETF (3.56%), Vanguard MStar Total Stk Mkt Idx Invest (3.18%), iShares Russell 2000 ETF (2.62%), JHancock Disciplined Value Mid Cap I (2.44%), Vanguard Small Cap Index (2.30%).
What is InterDigital's short interest?
2.8M shares of InterDigital were sold short, 13.26% of the float; at the average daily volume it would take 13.17 days to cover.
Are insiders buying or selling InterDigital?
Of the latest 20 reported insider transactions in InterDigital (since December 9, 2025), 0 were purchases and 20 were sales.
How many shares of InterDigital are outstanding?
InterDigital has 25.8M shares outstanding, of which 25.3M are in the public float.