StreetAlpha
RUM Group Inc. · 13F filings

RUM Institutional Ownership

Holdings as of Jun 30, 2026From SEC Form 13FUpdated

Who owns RUM Group Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 228 funds reported holding RUM at Jun 30, 2026.

← RUM stock page

Fund sentiment
Strongly bullish
Strongly bearishNeutralStrongly bullish
  • ▲123 buying vs 61 selling
  • ▲Shares held by funds +27.2%
  • ▲Funds holding +23
  • ▲Superinvestors: 1 added, 0 cut
  • ●Put/call not meaningful

What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.

Funds holding228+23 vs Q1 2026
Held by funds–of shares outstanding
Value held$416M65.6M shares
Put/call ratio0.33down from 9.71

Funds holding and ownership

8 quarters
Q3 2024: 165 fundsQ3 '24Q4 2024: 190 fundsQ4 '24Q1 2025: 187 fundsQ1 '25Q2 2025: 212 fundsQ2 '25Q3 2025: 220 fundsQ3 '25Q4 2025: 214 fundsQ4 '25Q1 2026: 205 fundsQ1 '26Q2 2026: 228 fundsQ2 '26
Funds holding

Quarter over quarter

all 13F filers
Q2 2026This quarterQ1 2026Change
Funds holding228205+11.2%
In funds' top 1000–
13F shares65.6M51.6M+27.2%
Held by funds–––
New positions4627+70.4%
Increased7751+51.0%
Reduced4056−28.6%
Sold out2139−46.2%
Calls (shares)1.3M156K+742.2%
Puts (shares)170K525K−67.5%
Put/call ratio0.339.71−96.6%

Buyers vs sellers

adding or new vs cutting or sold out
Q4 2024: 83 buyingQ4 2024: 52 sellingQ4 '24Q1 2025: 83 buyingQ1 2025: 60 sellingQ1 '25Q2 2025: 104 buyingQ2 2025: 61 sellingQ2 '25Q3 2025: 104 buyingQ3 2025: 72 sellingQ3 '25Q4 2025: 92 buyingQ4 2025: 93 sellingQ4 '25Q1 2026: 78 buyingQ1 2026: 95 sellingQ1 '26Q2 2026: 123 buyingQ2 2026: 61 sellingQ2 '26
Buying 123Selling 61latest quarter

Superinvestors in RUM

All superinvestors →

Who owns RUM

share of fund held shares
  • Index and passive funds39.5%
  • Active managers and hedge funds49.2%
  • Banks and brokers11.0%
  • Pensions, insurers and other0.3%

The top 10 holders own 82.5% of all RUM shares that funds reported. Groups are our own grouping of filers by name.

Put/call ratio

funds' options, market makers left out
1.00Q3 2024: 0.12Q3 '24Q4 2024: 2.58Q4 '24Q1 2025: 16.33Q1 '25Q2 2025: 0.13Q2 '25Q3 2025: 1.12Q3 '25Q4 2025: 2.06Q4 '25Q1 2026: 9.71Q1 '26Q2 2026: 0.33Q2 '260.33

Above 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.

Filed so far for Q3 2026

51 funds changed their position

🔒 Free account: see all 20.

Top holders

Q2 2026
#FundOf companySharesValueChange
1Cantor Fitzgerald, L. P.–18.7M$118M+9.3M
2Cooper Creek Partners Management LLC–9M$57.3M+3.8M
3BlackRock, Inc.–8.7M$55.1M+810K
4Vanguard Portfolio Management LLC–4.2M$26.5M+155K
5Vanguard Capital Management LLC–4.1M$26.1M+102K
6Geode Capital Management, LLC–3.1M$19.5M+273K
7State Street Corp–2.9M$18.3M−443K
8Goldman Sachs Group Inc–1.5M$9.8M−525K
9Charles Schwab Investment Management Inc–966K$6.1M+58K
10Northern Trust Corp–953K$6M+106K
🔒 15 more top holders. Create a free account or sign in to see them.
Biggest buyers
Biggest sellers

RUM institutional ownership FAQ

Who owns the most RUM stock?

In Q2 2026 13F filings the largest holder of RUM was Cantor Fitzgerald, L. P., followed by Cooper Creek Partners Management LLC and BlackRock, Inc.. Index fund managers are usually the biggest holders of large companies.

What percentage of RUM is owned by institutions?

228 funds reported holding 65.6M RUM shares at Jun 30, 2026.

Are hedge funds buying RUM?

In Q2 2026, 123 funds bought RUM (46 of them new positions) and 61 sold (21 sold out completely). Among well known investors, 1 added and 0 cut. Our fund sentiment for RUM is strongly bullish.

What is RUM's institutional put/call ratio?

Funds reported $2.7M of RUM puts against $8.3M of calls, a put/call ratio of 0.33 (9.71 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.

How current is this RUM ownership data?

13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.