Who owns Algorhythm Holdings, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of RIME from SEC Form 13F filings across 28 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 28 institutions disclosed 1.3M shares of Algorhythm Holdings, Inc. worth $729,839 — about 8.9% of shares outstanding; the largest disclosed holder is CastleKnight Management LP. Source: SEC Form 13F filings, parsed by EvidInvest.
28
13F holders
$729,839
value, 2026 filers
8.9%
of shares outstanding (1.3M sh)
9
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of RIME's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | CastleKnight Management LP | 230,000 | $131,560 | 0.0% | 1.5% | 0.0% |
| 2 | JANE STREET GROUP, LLC | 223,976 | $128,114 | 0.0% | 1.5% | +26.8% |
| 3 | LUMINUS MANAGEMENT LLC | 206,250 | $117,975 | 0.1% | 1.4% | 0.0% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 100,678 | $57,587 | 0.0% | 0.7% | +68.9% |
| 5 | VANGUARD FIDUCIARY TRUST CO | 96,331 | $55,101 | 0.0% | 0.6% | +371.7% |
| 6 | XTX Topco Ltd | 66,389 | $37,975 | 0.0% | 0.4% | +377.8% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 60,170 | $34,417 | 0.0% | 0.4% | +11.2% |
| 8 | HRT FINANCIAL LPNEW | 55,314 | $31 | 0.0% | 0.4% | new |
| 9 | SUSQUEHANNA INTERNATIONAL GROUP, LLPNEW | 41,931 | $23,985 | 0.0% | 0.3% | new |
| 10 | NORTHERN TRUST CORPNEW | 41,879 | $23,955 | 0.0% | 0.3% | new |
| 11 | PEAK6 LLC | 35,746 | $20,447 | 0.0% | 0.2% | +2.1% |
| 12 | Financial Management Professionals, Inc.NEW | 28,884 | $16,521 | 0.0% | 0.2% | new |
| 13 | RAYMOND JAMES FINANCIAL INC | 25,500 | $14,586 | 0.0% | 0.2% | -8.9% |
| 14 | UBS Group AG | 22,745 | $13,010 | 0.0% | 0.2% | -65.7% |
| 15 | TWO SIGMA SECURITIES, LLCNEW | 19,156 | $10,957 | 0.0% | 0.1% | new |
| 16 | MEMBERS WEALTH LLC | 15,000 | $8,580 | 0.0% | 0.1% | 0.0% |
| 17 | Virtu Financial LLC | 13,915 | $8 | 0.0% | 0.1% | -33.9% |
| 18 | Arax Advisory PartnersNEW | 12,500 | $7,150 | 0.0% | 0.1% | new |
| 19 | LPL Financial LLC | 11,973 | $6,849 | 0.0% | 0.1% | -22.1% |
| 20 | PENNINGTON PARTNERS & CO., LLCNEW | 10,000 | $5,720 | 0.0% | 0.1% | new |
| 21 | Sanctuary Advisors, LLCNEW | 10,000 | $5,720 | 0.0% | 0.1% | new |
| 22 | Tower Research Capital LLC (TRC) | 5,655 | $3,235 | 0.0% | 0% | -25.7% |
| 23 | OSAIC HOLDINGS, INC. | 5,000 | $2,859 | 0.0% | 0% | -11.5% |
| 24 | CITIGROUP INC | 2,101 | $1,202 | 0.0% | 0% | +271.9% |
| 25 | BARCLAYS PLCNEW | 1,605 | $918 | 0.0% | 0% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.