Who owns CMU
Which tracked institutional funds hold CMU, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See CMU company fundamentals →
Ownership as of the 2026-Q1 13F filings (latest filed 2026-05-18). 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
4 tracked funds added or opened CMU while 4 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
CMU’s largest tracked holder by dollar value, Bulldog Investors, LLP, sizes it at 2.8% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 2.8pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in CMU 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 45 tracked filers holding CMU, 20 increased or opened the position and 15 reduced or closed it; over the same quarter, open-market insider Form 4s were net purchases.
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 CMU 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 1
- GUGGENHEIM CAPITAL LLC$1M
Full exits 1
- Thomas J. Herzfeld Advisors, Inc.$2M
Largest adds
- RIVERNORTH CAPITAL MANAGEMENT, LLC$1M
- MORGAN STANLEY$1M
- CITY OF LONDON INVESTMENT MANAGEMENT CO LTD$426K
Largest trims
- Matisse Capital$567K
- UBS Group AG$374K
- ICON ADVISERS INC/CO$264K
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 |
|---|---|---|---|---|
| Bulldog Investors, LLP trimmed | 3,531,732 | $13M | 25.6% | 2026-Q1 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC added | 2,955,950 | $11M | 21.5% | 2026-Q1 |
| Almitas Capital LLC | 1,497,718 | $5M | 10.9% | 2026-Q1 |
| ICON ADVISERS INC/CO trimmed | 731,734 | $3M | 5.3% | 2026-Q1 |
| MORGAN STANLEY added | 710,702 | $3M | 5.2% | 2026-Q1 |
| CITY OF LONDON INVESTMENT MANAGEMENT CO LTD added | 676,122 | $2M | 4.9% | 2026-Q1 |
| BANK OF AMERICA CORP /DE/ | 405,971 | $1M | 2.9% | 2026-Q1 |
| Allspring Global Investments Holdings, LLC | 377,111 | $1M | 2.7% | 2026-Q1 |
| Bank of New York Mellon Corp added | 354,378 | $1M | 2.6% | 2026-Q1 |
| GUGGENHEIM CAPITAL LLC new | 315,595 | $1M | 2.3% | 2026-Q1 |
| Lido Advisors, LLC | 146,367 | $524K | 1.1% | 2026-Q1 |
| UBS Group AG trimmed | 129,606 | $464K | 0.9% | 2026-Q1 |
| MELFA WEALTH MANAGEMENT, INC. added | 124,236 | $445K | 0.9% | 2026-Q1 |
| Matisse Capital trimmed | 98,712 | $353K | 0.7% | 2026-Q1 |
| EVOLVE PRIVATE WEALTH, LLC trimmed | 91,331 | $327K | 0.7% | 2026-Q1 |
| LPL Financial LLC added | 60,315 | $216K | 0.4% | 2026-Q1 |
| OSAIC HOLDINGS, INC. trimmed | 46,113 | $165K | 0.3% | 2026-Q1 |
| RAYMOND JAMES FINANCIAL INC trimmed | 43,988 | $157K | 0.3% | 2026-Q1 |
| Equitable Holdings, Inc. added | 33,335 | $117K | 0.2% | 2026-Q1 |
| Pathstone Holdings, LLC | 30,929 | $111K | 0.2% | 2026-Q1 |
| Novak & Powell Financial Services, Inc. added | 30,789 | $110K | 0.2% | 2026-Q1 |
| Cetera Investment Advisers | 30,249 | $108K | 0.2% | 2026-Q1 |
| CITADEL ADVISORS LLC added | 27,368 | $98K | 0.2% | 2026-Q1 |
| Cambridge Investment Research Advisors, Inc. added | 26,138 | $94K | 0.2% | 2026-Q1 |
| BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC trimmed | 20,917 | $75K | 0.2% | 2026-Q1 |
| Rockefeller Capital Management L.P. | 20,000 | $72K | 0.1% | 2026-Q1 |
| MERCER GLOBAL ADVISORS INC /ADV new | 18,540 | $66K | 0.1% | 2026-Q1 |
| HighTower Advisors, LLC new | 17,365 | $62K | 0.1% | 2026-Q1 |
| Fisher Asset Management, LLC new | 16,847 | $60K | 0.1% | 2026-Q1 |
| SPIREPOINT PRIVATE CLIENT, LLC | 16,247 | $58K | 0.1% | 2026-Q1 |
| COHEN & STEERS, INC. | 15,000 | $54K | 0.1% | 2026-Q1 |
| WealthTrust Asset Management, LLC added | 14,229 | $51K | 0.1% | 2026-Q1 |
| Closed-End Fund Advisors, Inc. | 13,091 | $47K | 0.1% | 2026-Q1 |
| INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC added | 12,924 | $46K | 0.1% | 2026-Q1 |
| Kestra Advisory Services, LLC | 12,756 | $46K | 0.1% | 2026-Q1 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP trimmed | 11,851 | $42K | 0.1% | 2026-Q1 |
| Mesirow Financial Investment Management, Inc. added | 11,835 | $42K | 0.1% | 2026-Q1 |
| Integrated Wealth Concepts LLC | 11,696 | $42K | 0.1% | 2026-Q1 |
| WELLS FARGO & COMPANY/MN | 9,609 | $34K | 0.1% | 2026-Q1 |
| HARBOUR INVESTMENTS, INC. new | 2,024 | $7K | 0.0% | 2026-Q1 |
| Independence Bank of Kentucky trimmed | 2,000 | $7K | 0.0% | 2026-Q1 |
| ROTHSCHILD INVESTMENT LLC | 1,537 | $6K | 0.0% | 2026-Q1 |
| HIGHLINE WEALTH PARTNERS LLC new | 1,000 | $4K | 0.0% | 2026-Q1 |
| Mascoma Wealth Management LLC | 844 | $3K | 0.0% | 2026-Q1 |
| Larson Financial Group LLC new | 825 | $3K | 0.0% | 2026-Q1 |
| Thomas J. Herzfeld Advisors, Inc. added | 558,611 | $2M | 4.0% | 2025-Q4 stale (1 quarter behind) |
| SIT INVESTMENT ASSOCIATES INC trimmed | 47,357 | $166K | 0.3% | 2025-Q4 stale (1 quarter behind) |
| Mutual Advisors, LLC new | 20,998 | $74K | 0.1% | 2025-Q4 stale (1 quarter behind) |
| Noble Wealth Management PBC | 15,100 | $53K | 0.1% | 2025-Q4 stale (1 quarter behind) |
| Wellington Grp LLC new | 250 | $878 | 0.0% | 2025-Q4 stale (1 quarter behind) |
| Private Advisor Group, LLC | 19,093 | $66K | 0.1% | 2025-Q3 stale (2 quarters behind) |
| NOMURA HOLDINGS INC trimmed | 10,000 | $35K | 0.1% | 2025-Q3 stale (2 quarters behind) |
| ROYAL BANK OF CANADA trimmed | 2,955 | $10K | 0.0% | 2025-Q3 stale (2 quarters behind) |
| Hennion & Walsh Asset Management, Inc. trimmed | 398,562 | $1M | 2.7% | 2025-Q2 stale (3 quarters behind) |
| Atria Wealth Solutions, Inc. added | 21,725 | $72K | 0.1% | 2025-Q2 stale (3 quarters behind) |
| CX Institutional | 14,000 | $47K | 0.1% | 2025-Q2 stale (3 quarters behind) |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | — | 0.0% | 2025-Q2 stale (3 quarters behind) |
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.