RIME
Algorhythm Holdings, Inc.Company with tickers: RIME
CIK
923601
CUSIP
829322502
Shares Outstanding
15,425,958
13F Activity (30d)
19 filings
19 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 24
Total Value: $1,068,434
Total Shares: 980,223
Institutional Ownership Trend
Holder Concentration
Across 24 13F filers · Δ vs Dec 31, 2025Top Holder
23.5%
−12.0 pts
Top 5
75.4%
−23.7 pts
Top 10
91.5%
−8.5 pts
HHI
1,473
Broadly held
−1,109
Quarterly Activity
vs Dec 31, 2025
New
18
Increased
6
Decreased
0
Sold Out
2
Unchanged
0
Holder count:
+16
Institutional value:
+1842.3%
Shares held:
+1699.5%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega UBS Group AG | +65,760 | 66,250 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | +40,297 | 59,623 | |
| Mid Virtu Financial LLC | +9,761 | 21,042 | |
| Mid Tower Research Capital LLC (TRC) | +3,841 | 7,613 | |
| Large OSAIC HOLDINGS, INC. | +1,300 | 5,650 |
Top Sellers
vs Dec 31, 2025No qualifying movers this quarter.
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mid CastleKnight Management LP | 230,000 | $250,700 | |
| Small LUMINUS MANAGEMENT LLC | 206,250 | $224,812 | |
| Mega JANE STREET GROUP, LLC | 176,609 | $192,503 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 54,089 | $58,957 | |
| Large PEAK6 LLC | 34,999 | $38,148 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 15,228 | $15,379 | |
| Mega BANK OF AMERICA CORP /DE/ | 23 | $23 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid CastleKnight Management LP | $250,700 | 23.46% | 230,000 | Shares | Sole | 2026-05-15 | ||||
| Small LUMINUS MANAGEMENT LLC | $224,812 | 21.04% | 206,250 | Shares | Sole | 2026-05-15 | ||||
| Mega JANE STREET GROUP, LLC | $192,503 | 18.02% | 176,609 | Shares | Defined | 2026-05-12 | ||||
| Mega UBS Group AG | $72,212 | 6.76% | 66,250 | Shares | Defined | 2026-05-05 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $64,989 | 6.08% | 59,623 | Shares | Defined | 2026-05-15 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $58,957 | 5.52% | 54,089 | Shares | Defined | 2026-05-15 | ||||
| Large PEAK6 LLC | $38,148 | 3.57% | 34,999 | Shares | Defined | 2026-05-14 | ||||
| Mega RAYMOND JAMES FINANCIAL INC | $30,520 | 2.86% | 28,000 | Shares | Defined | 2026-05-14 | ||||
| Mid Virtu Financial LLC | $22,935 | 2.15% | 21,042 | Shares | Defined | 2026-05-14 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $22,257 | 2.08% | 20,420 | Shares | Defined | 2026-05-08 | ||||
| Micro Integras Partners LLC | $21,800 | 2.04% | 20,000 | Shares | Sole | 2026-05-12 | ||||
| Mega LPL Financial LLC | $16,756 | 1.57% | 15,373 | Shares | Sole | 2026-05-06 | ||||
| Micro MEMBERS WEALTH LLC | $16,350 | 1.53% | 15,000 | Shares | Sole | 2026-04-23 | ||||
| Mid XTX Topco Ltd | $15,145 | 1.42% | 13,895 | Shares | Defined | 2026-05-15 | ||||
| Mid Tower Research Capital LLC (TRC) | $8,298 | 0.78% | 7,613 | Shares | Defined | 2026-05-15 | ||||
| Large OSAIC HOLDINGS, INC. | $6,158 | 0.58% | 5,650 | Shares | Defined | 2026-05-15 | ||||
| Mega MORGAN STANLEY | $2,180 | 0.20% | 2,000 | Shares | Defined | 2026-05-15 | ||||
| Mid IFP Advisors, Inc | $1,423 | 0.13% | 1,306 | Shares | Sole | 2026-04-13 | ||||
| Small NBC SECURITIES, INC. Broker-Dealer | $1,199 | 0.11% | 1,100 | Shares | Sole | 2026-04-14 | ||||
| Mega CITIGROUP INC | $615 | 0.06% | 565 | Shares | Defined | 2026-05-11 | ||||
| Mega WELLS FARGO & COMPANY/MN | $436 | 0.04% | 400 | Shares | Defined | 2026-05-11 | ||||
| Large CWM, LLC | $31 | 0.00% | 29 | Shares | Sole | 2026-05-14 | ||||
| Mega BlackRock, Inc. | $9 | 0.00% | 9 | Shares | Sole | 2026-05-13 | ||||
| Small Caitong International Asset Management Co., Ltd | $1 | 0.00% | 1 | Shares | Sole | 2026-05-11 | ||||
| No holders match your search. | ||||||||||