RUM · RUM Group Inc.
Market Cap
$4.23B
Shares
495.81M
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: 235
Total Value: $384,167,655
Total Shares: 64,169,185
Showing 1–100
of 251 holdings by value
· page 1 of 3
Institutional Ownership Trend
21 quarters
Holder Concentration
Across 235 13F filers · Δ vs Mar 31, 2026Top Holder
15.4%
−1.5 pts
Top 5
58.4%
+3.0 pts
Top 10
76.5%
−1.0 pts
HHI
852
Broadly held+40
Quarterly Activity
vs Mar 31, 2026
New
47
Increased
81
Decreased
46
Sold Out
26
Unchanged
61
Holder count:
+21
Institutional value:
+36.7%
Shares held:
+9.9%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid COOPER CREEK PARTNERS MANAGEMENT LLC | +3,800,577 | 9,043,074 | |
| Mega BlackRock, Inc. | +810,184 | 8,698,321 | |
| Mega CITADEL ADVISORS LLC | +407,709 | 865,609 | |
| Mega JANE STREET GROUP, LLC | +404,074 | 938,708 | |
| Mega BANK OF AMERICA CORP /DE/ | +391,692 | 555,052 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega UBS Group AG | −903,410 | 698,536 | |
| Mid Sculptor Capital LP | −729,200 | 51,200 | |
| Mega NATIONAL BANK OF CANADA /FI/ | −628,300 | 266,200 | |
| Mega MORGAN STANLEY | −608,251 | 405,318 | |
| Mega GOLDMAN SACHS GROUP INC | −524,657 | 1,548,028 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Large PEAK6 LLC | 768,640 | $4,873,177 | |
| Mid BlueCrest Capital Management Ltd | 500,000 | $3,170,000 | |
| Large Caption Management, LLC | 431,256 | $2,734,163 | |
| Mid DARK FOREST CAPITAL MANAGEMENT LP | 141,886 | $899,557 | |
| Mid Entropy Technologies, LP | 75,216 | $476,869 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid Quantbot Technologies LP | 91,368 | $465,976 | |
| Large Schonfeld Strategic Advisors LLC | 45,614 | $232,631 | |
| Large Balyasny Asset Management L.P. | 43,414 | $221,411 | |
| Mega JANUS HENDERSON GROUP PLC | 34,340 | $175,134 | |
| Mid Brooklyn Investment Group | 28,470 | $145,197 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mid CANTOR FITZGERALD, L. P. | $59,128,139 | 15.39% | 9,326,205 | Shares | 2026-08-19 | |
| Mid COOPER CREEK PARTNERS MANAGEMENT LLC | $57,333,089 | 14.92% | 9,043,074 | Shares | 2026-08-14 | |
| Mega BlackRock, Inc. | $55,147,349 | 14.36% | 8,698,321 | Shares | 2026-08-07 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC | $26,475,003 | 6.89% | 4,175,868 | Shares | 2026-08-13 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $26,117,763 | 6.80% | 4,119,521 | Shares | 2026-08-13 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $19,508,350 | 5.08% | 3,077,027 | Shares | 2026-08-12 | |
| Mega STATE STREET CORP | $18,342,437 | 4.77% | 2,893,129 | Shares | 2026-08-07 | |
| Mega GOLDMAN SACHS GROUP INC | $9,814,496 | 2.55% | 1,548,028 | Shares | 2026-08-14 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $6,126,487 | 1.59% | 966,323 | Shares | 2026-08-14 | |
| Mega NORTHERN TRUST CORP Bank | $6,041,244 | 1.57% | 952,878 | Shares | 2026-08-13 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $5,884,274 | 1.53% | 928,119 | Shares | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $5,473,322 | 1.42% | 863,300 | Call | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $5,015,751 | 1.31% | 791,128 | Shares | 2026-08-13 | |
| Mega JANE STREET GROUP, LLC | $4,913,550 | 1.28% | 775,008 | Shares | 2026-08-14 | |
| Large PEAK6 LLC | $4,706,816 | 1.23% | 742,400 | Call | 2026-08-13 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $4,586,990 | 1.19% | 723,500 | Put | 2026-08-14 | |
| Mega UBS Group AG | $4,428,717 | 1.15% | 698,536 | Shares | 2026-08-13 | |
| Mega AMERIPRISE FINANCIAL INC | $4,001,490 | 1.04% | 631,150 | Shares | 2026-08-14 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $3,519,029 | 0.92% | 555,052 | Shares | 2026-08-14 | |
| Mid BlueCrest Capital Management Ltd | $3,170,000 | 0.83% | 500,000 | Call | 2026-08-14 | |
| Large Caption Management, LLC | $2,631,100 | 0.68% | 415,000 | Call | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC | $2,612,714 | 0.68% | 412,100 | Put | 2026-08-14 | |
| Mega MORGAN STANLEY | $2,569,714 | 0.67% | 405,318 | Shares | 2026-08-13 | |
| Mega Nuveen, LLC | $2,211,023 | 0.58% | 348,742 | Shares | 2026-08-11 | |
| Mega Bank of New York Mellon Corp Bank | $2,042,257 | 0.53% | 322,123 | Shares | 2026-08-06 | |
| Mega NATIONAL BANK OF CANADA /FI/ Bank | $1,687,708 | 0.44% | 266,200 | Shares | 2026-08-10 | |
| Large Cambridge Investment Research Advisors, Inc. | $1,672,365 | 0.44% | 263,780 | Shares | 2026-07-30 | |
| Large Walleye Trading LLC | $1,585,000 | 0.41% | 250,000 | Call | 2026-08-03 | |
| Mega CITADEL ADVISORS LLC | $1,543,156 | 0.40% | 243,400 | Call | 2026-08-14 | |
| Mega AQR CAPITAL MANAGEMENT LLC | $1,396,641 | 0.36% | 220,291 | Shares | 2026-08-14 | |
| Mid Sigma Planning Corp | $1,348,651 | 0.35% | 212,721 | Shares | 2026-08-07 | |
| Mega CITADEL ADVISORS LLC | $1,332,091 | 0.35% | 210,109 | Shares | 2026-08-14 | |
| Large Quantinno Capital Management LP | $1,054,570 | 0.27% | 166,336 | Shares | 2026-08-13 | |
| Large Walleye Trading LLC | $1,042,099 | 0.27% | 164,369 | Shares | 2026-08-03 | |
| Large ExodusPoint Capital Management, LP | $975,535 | 0.25% | 153,870 | Shares | 2026-08-14 | |
| Mega Swiss National Bank Bank | $960,510 | 0.25% | 151,500 | Shares | 2026-08-11 | |
| Large Walleye Trading LLC | $900,914 | 0.23% | 142,100 | Put | 2026-08-03 | |
| Mid DARK FOREST CAPITAL MANAGEMENT LP | $899,557 | 0.23% | 141,886 | Shares | 2026-08-14 | |
| Mega RHUMBLINE ADVISERS | $892,906 | 0.23% | 140,837 | Shares | 2026-08-12 | |
| Mega JANE STREET GROUP, LLC | $878,724 | 0.23% | 138,600 | Call | 2026-08-14 | |
| Mega D. E. Shaw & Co., Inc. | $824,200 | 0.21% | 130,000 | Call | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | $799,061 | 0.21% | 126,035 | Shares | 2026-08-14 | |
| Mega WELLS FARGO & COMPANY/MN | $755,675 | 0.20% | 119,192 | Shares | 2026-08-14 | |
| Mega DEUTSCHE BANK AG\ Bank | $747,326 | 0.19% | 117,875 | Shares | 2026-08-07 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $675,817 | 0.18% | 106,596 | Shares | 2026-08-13 | |
| Mega LPL Financial LLC | $671,069 | 0.17% | 105,847 | Shares | 2026-08-07 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund | $609,286 | 0.16% | 96,102 | Shares | 2026-08-14 | |
| Mega ALLIANCEBERNSTEIN L.P. | $581,485 | 0.15% | 91,717 | Shares | 2026-08-14 | |
| Mega CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension | $516,881 | 0.13% | 81,527 | Shares | 2026-08-24 | |
| Large OSAIC HOLDINGS, INC. | $514,997 | 0.13% | 81,230 | Shares | 2026-08-14 | |
| Mid Entropy Technologies, LP | $476,869 | 0.12% | 75,216 | Shares | 2026-08-13 | |
| Large Creative Planning | $475,233 | 0.12% | 74,958 | Shares | 2026-08-13 | |
| Mid Stratos Wealth Partners, LTD. | $471,429 | 0.12% | 74,358 | Shares | 2026-08-11 | |
| Mega CITIGROUP INC | $466,154 | 0.12% | 73,526 | Shares | 2026-08-03 | |
| Mega JPMORGAN CHASE & CO | $461,570 | 0.12% | 72,803 | Shares | 2026-08-12 | |
| Large FIRST MANHATTAN CO. LLC. | $442,512 | 0.12% | 69,797 | Shares | 2026-08-14 | |
| Large Zurcher Kantonalbank (Zurich Cantonalbank) Bank | $432,717 | 0.11% | 68,252 | Shares | 2026-08-12 | |
| Large MetLife Investment Management, LLC | $427,214 | 0.11% | 67,384 | Shares | 2026-08-14 | |
| Mega Invesco Ltd. | $427,187 | 0.11% | 67,380 | Shares | 2026-08-14 | |
| Mid IMC-Chicago, LLC | $407,148 | 0.11% | 64,219 | Shares | 2026-08-06 | |
| Mid Virtu Financial LLC | $398,500 | 0.10% | 62,855 | Shares | 2026-08-13 | |
| Large MARSHALL WACE, LLP | $392,921 | 0.10% | 61,975 | Shares | 2026-08-13 | |
| Mega Russell Investments Group, Ltd. | $378,320 | 0.10% | 59,672 | Shares | 2026-08-06 | |
| Mega Legal & General Group Plc | $343,120 | 0.09% | 54,120 | Shares | 2026-08-14 | |
| Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance | $343,082 | 0.09% | 54,114 | Shares | 2026-08-14 | |
| Mega VANGUARD ASSET MANAGEMENT, Ltd | $322,915 | 0.08% | 50,933 | Shares | 2026-08-13 | |
| Large MML INVESTORS SERVICES, LLC | $293,776 | 0.08% | 46,337 | Shares | 2026-08-07 | |
| Mid Snowden Capital Advisors LLC | $274,128 | 0.07% | 43,238 | Shares | 2026-08-13 | |
| Large SIH Partners, LLLP | $266,527 | 0.07% | 42,039 | Shares | 2026-08-14 | |
| Mega Vanguard Global Advisers, LLC | $259,565 | 0.07% | 40,941 | Shares | 2026-08-13 | |
| Small SILVER OAK SECURITIES, INCORPORATED Broker-Dealer | $252,896 | 0.07% | 39,889 | Shares | 2026-08-07 | |
| Large Handelsbanken Fonder AB | $250,430 | 0.07% | 39,500 | Shares | 2026-07-10 | |
| Mid Engineers Gate Manager LP | $249,897 | 0.07% | 39,416 | Shares | 2026-08-14 | |
| Large Police & Firemen's Retirement System of New Jersey Pension | $230,788 | 0.06% | 36,402 | Shares | 2026-07-23 | |
| Mid EVERGREEN CAPITAL MANAGEMENT LLC | $224,042 | 0.06% | 35,338 | Shares | 2026-07-23 | |
| Mid Private Advisor Group, LLC | $222,343 | 0.06% | 35,070 | Shares | 2026-07-27 | |
| Mega Jupiter Topco LLC | $217,715 | 0.06% | 34,340 | Shares | 2026-08-14 | |
| Large Mariner, LLC | $204,141 | 0.05% | 32,199 | Shares | 2026-08-13 | |
| Large COMMONWEALTH EQUITY SERVICES, LLC | $183,010 | 0.05% | 28,866 | Shares | 2026-07-29 | |
| Mega RAYMOND JAMES FINANCIAL INC | $176,447 | 0.05% | 27,831 | Shares | 2026-08-14 | |
| Large INTECH INVESTMENT MANAGEMENT LLC | $170,336 | 0.04% | 26,867 | Shares | 2026-08-10 | |
| Mega FRANKLIN RESOURCES INC | $167,127 | 0.04% | 26,361 | Shares | 2026-08-13 | |
| Large PEAK6 LLC | $166,361 | 0.04% | 26,240 | Shares | 2026-08-13 | |
| Large Corient Private Wealth LLC | $163,793 | 0.04% | 25,835 | Shares | 2026-08-27 | |
| Mid Sculptor Capital LP | $162,304 | 0.04% | 25,600 | Put | 2026-08-14 | |
| Mid Sculptor Capital LP | $162,304 | 0.04% | 25,600 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $159,134 | 0.04% | 25,100 | Put | 2026-08-14 | |
| Mid Brevan Howard Capital Management LP | $159,045 | 0.04% | 25,086 | Shares | 2026-08-14 | |
| Large NEW YORK STATE COMMON RETIREMENT FUND Pension | $157,866 | 0.04% | 24,900 | Shares | 2026-07-29 | |
| Large MERCER GLOBAL ADVISORS INC /ADV | $157,783 | 0.04% | 24,887 | Shares | 2026-08-19 | |
| Mega BARCLAYS PLC | $155,906 | 0.04% | 24,591 | Shares | 2026-08-14 | |
| Large EP Wealth Advisors, LLC | $150,613 | 0.04% | 23,756 | Shares | 2026-08-12 | |
| Mega ROYAL BANK OF CANADA Bank | $148,773 | 0.04% | 23,466 | Shares | 2026-08-14 | |
| Large VOYA INVESTMENT MANAGEMENT LLC | $139,898 | 0.04% | 22,066 | Shares | 2026-08-12 | |
| Large IEQ CAPITAL, LLC | $139,816 | 0.04% | 22,053 | Shares | 2026-08-11 | |
| Large Cetera Investment Advisers | $138,998 | 0.04% | 21,924 | Shares | 2026-08-12 | |
| Mid Numerai GP LLC | $137,673 | 0.04% | 21,715 | Shares | 2026-08-14 | |
| Large ARIZONA STATE RETIREMENT SYSTEM Pension | $132,100 | 0.03% | 20,836 | Shares | 2026-08-07 | |
| Small TCP Asset Management, LLC | $130,445 | 0.03% | 20,575 | Shares | 2026-07-15 | |
| Micro Second Half Financial Partners, LLC | $129,164 | 0.03% | 20,373 | Shares | 2026-07-17 |
Key facts
CIK
1830081
CUSIP
78137L105
13F (30d)
169 filings
169 filers
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