Who owns Immersion Corporation (IMMR)
Which tracked institutional funds hold IMMR, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See IMMR company fundamentals →
Ownership as of the 2026-Q1 13F filings. 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
9 tracked funds added or opened IMMR while 26 trimmed or exited it between 2025-Q4 and 2026-Q1 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
IMMR’s largest tracked holder by dollar value, VANGUARD GROUP INC, sizes it at 0.0% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 0.0pp gap the other way — the median holder sizes IMMR more heavily than its largest holder by dollar value does.
Book-share is each fund’s reported value in IMMR divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2025-Q4 and 2026-Q1, across 119 tracked filers holding IMMR, 69 increased or opened the position and 54 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in IMMR between the 2025-Q4 and 2026-Q1 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 4
- VANGUARD CAPITAL MANAGEMENT LLC$7M
- VANGUARD FIDUCIARY TRUST CO$1M
- VANGUARD PORTFOLIO MANAGEMENT LLC$883K
- Callan Family Office, LLC$511K
Full exits 4
- VANGUARD GROUP INC$16M
- Numerai GP LLC$698K
- AlphaQuest LLC$571K
- Perritt Capital Management Inc$566K
Largest adds
- AQR CAPITAL MANAGEMENT LLC$1M
- Kanen Wealth Management LLC$857K
- LOS ANGELES CAPITAL MANAGEMENT LLC$434K
- MORGAN STANLEY$304K
- Diametric Capital, LP$268K
Largest trims
- BlackRock, Inc.$3M
- MILLENNIUM MANAGEMENT LLC$2M
- CDC Financial, Inc.$2M
- PRUDENTIAL FINANCIAL INC$1M
- JANE STREET GROUP, LLC$1M
- D. E. Shaw & Co., Inc.$1M
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| BlackRock, Inc. added | 2,290,017 | $13M | 10.6% | 2026-Q1 |
| CDC Financial, Inc. | 1,437,397 | $8M | 6.7% | 2026-Q1 |
| VANGUARD CAPITAL MANAGEMENT LLC new | 1,288,269 | $7M | 6.0% | 2026-Q1 |
| GEODE CAPITAL MANAGEMENT, LLC added | 735,497 | $4M | 3.4% | 2026-Q1 |
| Kanen Wealth Management LLC added | 709,000 | $4M | 3.3% | 2026-Q1 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP trimmed | 692,889 | $4M | 3.2% | 2026-Q1 |
| STATE STREET CORP added | 657,428 | $4M | 3.1% | 2026-Q1 |
| NISSAY ASSET MANAGEMENT CORP /JAPAN added | 607,368 | $3M | 2.8% | 2026-Q1 |
| Caption Management, LLC added | 518,134 | $3M | 2.4% | 2026-Q1 |
| FMR LLC added | 497,967 | $3M | 2.3% | 2026-Q1 |
| SEGALL BRYANT & HAMILL, LLC trimmed | 421,842 | $2M | 2.0% | 2026-Q1 |
| Squarepoint Ops LLC added | 408,948 | $2M | 1.9% | 2026-Q1 |
| MORGAN STANLEY added | 401,403 | $2M | 1.9% | 2026-Q1 |
| D. E. Shaw & Co., Inc. trimmed | 300,034 | $2M | 1.4% | 2026-Q1 |
| Bank of New York Mellon Corp added | 296,024 | $2M | 1.4% | 2026-Q1 |
| AQR CAPITAL MANAGEMENT LLC added | 295,946 | $2M | 1.4% | 2026-Q1 |
| GOLDMAN SACHS GROUP INC added | 278,616 | $2M | 1.3% | 2026-Q1 |
| NORTHERN TRUST CORP added | 250,654 | $1M | 1.2% | 2026-Q1 |
| Qube Research & Technologies Ltd trimmed | 215,172 | $1M | 1.0% | 2026-Q1 |
| LOS ANGELES CAPITAL MANAGEMENT LLC added | 214,801 | $1M | 1.0% | 2026-Q1 |
| VANGUARD FIDUCIARY TRUST CO new | 189,042 | $1M | 0.9% | 2026-Q1 |
| MILLENNIUM MANAGEMENT LLC trimmed | 185,188 | $1M | 0.9% | 2026-Q1 |
| BNP PARIBAS FINANCIAL MARKETS trimmed | 170,929 | $933K | 0.8% | 2026-Q1 |
| VANGUARD PORTFOLIO MANAGEMENT LLC new | 161,697 | $883K | 0.8% | 2026-Q1 |
| NATIXIS | 132,000 | $721K | 0.6% | 2026-Q1 |
| Diametric Capital, LP added | 122,616 | $669K | 0.6% | 2026-Q1 |
| Campbell & CO Investment Adviser LLC added | 108,906 | $595K | 0.5% | 2026-Q1 |
| Callan Family Office, LLC new | 93,502 | $511K | 0.4% | 2026-Q1 |
| FIRST TRUST ADVISORS LP added | 87,899 | $480K | 0.4% | 2026-Q1 |
| BANK OF AMERICA CORP /DE/ added | 82,127 | $448K | 0.4% | 2026-Q1 |
| UBS Group AG trimmed | 80,516 | $440K | 0.4% | 2026-Q1 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC trimmed | 78,462 | $428K | 0.4% | 2026-Q1 |
| Rangeley Capital, LLC new | 75,000 | $410K | 0.3% | 2026-Q1 |
| AMERICAN CENTURY COMPANIES INC trimmed | 73,623 | $402K | 0.3% | 2026-Q1 |
| PRUDENTIAL FINANCIAL INC trimmed | 71,655 | $391K | 0.3% | 2026-Q1 |
| MANGROVE PARTNERS IM, LLC new | 62,012 | $339K | 0.3% | 2026-Q1 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. added | 61,515 | $336K | 0.3% | 2026-Q1 |
| MARSHALL WACE, LLP trimmed | 61,311 | $335K | 0.3% | 2026-Q1 |
| Nuveen, LLC added | 60,624 | $331K | 0.3% | 2026-Q1 |
| ALLIANCEBERNSTEIN L.P. added | 47,600 | $324K | 0.3% | 2026-Q1 |
| Creative Planning trimmed | 51,861 | $283K | 0.2% | 2026-Q1 |
| JPMORGAN CHASE & CO added | 50,322 | $275K | 0.2% | 2026-Q1 |
| Quantinno Capital Management LP added | 48,999 | $268K | 0.2% | 2026-Q1 |
| OCCUDO QUANTITATIVE STRATEGIES LP added | 42,717 | $262K | 0.2% | 2026-Q1 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 44,800 | $245K | 0.2% | 2026-Q1 |
| STATE OF WISCONSIN INVESTMENT BOARD trimmed | 42,900 | $234K | 0.2% | 2026-Q1 |
| DIMENSIONAL FUND ADVISORS LP trimmed | 42,847 | $234K | 0.2% | 2026-Q1 |
| LPL Financial LLC trimmed | 41,625 | $227K | 0.2% | 2026-Q1 |
| JANE STREET GROUP, LLC trimmed | 41,558 | $227K | 0.2% | 2026-Q1 |
| PRICE T ROWE ASSOCIATES INC /MD/ added | 39,881 | $218K | 0.2% | 2026-Q1 |
| RHUMBLINE ADVISERS trimmed | 36,574 | $200K | 0.2% | 2026-Q1 |
| Atom Investors LP trimmed | 34,297 | $187K | 0.2% | 2026-Q1 |
| TWO SIGMA INVESTMENTS, LP trimmed | 30,131 | $165K | 0.1% | 2026-Q1 |
| Vident Advisory, LLC new | 29,085 | $159K | 0.1% | 2026-Q1 |
| Invesco Ltd. added | 28,824 | $157K | 0.1% | 2026-Q1 |
| Mitsubishi UFJ Asset Management Co., Ltd. added | 26,859 | $147K | 0.1% | 2026-Q1 |
| HRT FINANCIAL LP added | 26,599 | $145K | 0.1% | 2026-Q1 |
| MIRABELLA FINANCIAL SERVICES LLP added | 25,665 | $140K | 0.1% | 2026-Q1 |
| Schonfeld Strategic Advisors LLC added | 25,343 | $138K | 0.1% | 2026-Q1 |
| VANGUARD GROUP INC added | 2,322,319 | $16M | 13.4% | 2025-Q4 stale |
| AMERIPRISE FINANCIAL INC added | 293,703 | $2M | 1.8% | 2025-Q3 stale |
| GSA CAPITAL PARTNERS LLP trimmed | 196,234 | $1M | 1.2% | 2025-Q3 stale |
| Jump Financial, LLC added | 126,637 | $998K | 0.8% | 2025-Q2 stale |
| TUDOR INVESTMENT CORP ET AL added | 113,783 | $897K | 0.8% | 2025-Q2 stale |
| VICTORY CAPITAL MANAGEMENT INC trimmed | 109,990 | $807K | 0.7% | 2025-Q3 stale |
| ROYCE & ASSOCIATES LP trimmed | 102,293 | $806K | 0.7% | 2025-Q2 stale |
| Penn Mutual Asset Management | 104,000 | $763K | 0.6% | 2025-Q3 stale |
| RENAISSANCE TECHNOLOGIES LLC trimmed | 103,513 | $760K | 0.6% | 2025-Q3 stale |
| Numerai GP LLC trimmed | 102,687 | $698K | 0.6% | 2025-Q4 stale |
| Cubist Systematic Strategies, LLC trimmed | 86,469 | $681K | 0.6% | 2025-Q2 stale |
| SummerHaven Investment Management, LLC added | 79,710 | $628K | 0.5% | 2025-Q2 stale |
| MorganRosel Wealth Management, LLC trimmed | 76,132 | $577K | 0.5% | 2025-Q1 stale |
| TWO SIGMA ADVISERS, LP added | 78,200 | $574K | 0.5% | 2025-Q3 stale |
| AlphaQuest LLC added | 83,983 | $571K | 0.5% | 2025-Q4 stale |
| Perritt Capital Management Inc | 83,301 | $566K | 0.5% | 2025-Q4 stale |
| BALYASNY ASSET MANAGEMENT L.P. added | 58,900 | $464K | 0.4% | 2025-Q2 stale |
| PRINCIPAL FINANCIAL GROUP INC added | 56,469 | $428K | 0.4% | 2025-Q1 stale |
| Dynamic Technology Lab Private Ltd trimmed | 51,022 | $402K | 0.3% | 2025-Q2 stale |
| Quartz Partners, LLC trimmed | 57,202 | $389K | 0.3% | 2025-Q4 stale |
| PharVision Advisers, LLC added | 42,137 | $309K | 0.3% | 2025-Q3 stale |
| ALGERT GLOBAL LLC trimmed | 40,520 | $297K | 0.3% | 2025-Q3 stale |
| BRIGHTON JONES LLC added | 38,130 | $280K | 0.2% | 2025-Q3 stale |
| CITADEL ADVISORS LLC added | 38,593 | $262K | 0.2% | 2025-Q4 stale |
| Boston Partners added | 32,679 | $248K | 0.2% | 2025-Q1 stale |
| ProShare Advisors LLC trimmed | 25,381 | $192K | 0.2% | 2025-Q1 stale |
| XTX Topco Ltd added | 25,476 | $187K | 0.2% | 2025-Q3 stale |
| D.A. DAVIDSON & CO. trimmed | 23,437 | $185K | 0.2% | 2025-Q2 stale |
| Ancora Advisors LLC trimmed | 26,493 | $180K | 0.2% | 2025-Q4 stale |
| Systematic Alpha Investments, LLC | 24,400 | $179K | 0.2% | 2025-Q3 stale |
| ZACKS INVESTMENT MANAGEMENT added | 24,313 | $178K | 0.2% | 2025-Q3 stale |
| Brevan Howard Capital Management LP added | 21,510 | $169K | 0.1% | 2025-Q2 stale |
| Arkadios Wealth Advisors trimmed | 24,741 | $168K | 0.1% | 2025-Q4 stale |
| Banque Cantonale Vaudoise | 22,042 | $167K | 0.1% | 2025-Q1 stale |
| FNY Investment Advisers, LLC added | 22,000 | $166K | 0.1% | 2025-Q1 stale |
| Engineers Gate Manager LP added | 23,126 | $157K | 0.1% | 2025-Q4 stale |
| Verition Fund Management LLC trimmed | 20,500 | $139K | 0.1% | 2025-Q4 stale |
| Skandinaviska Enskilda Banken AB (publ) trimmed | 17,678 | $139K | 0.1% | 2025-Q2 stale |
| Cetera Investment Advisers added | 18,182 | $133K | 0.1% | 2025-Q3 stale |
| Aquatic Capital Management LLC added | 16,929 | $124K | 0.1% | 2025-Q3 stale |
| EMC Capital Management | 16,100 | $122K | 0.1% | 2025-Q1 stale |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.