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Boost Run Inc. · 13F filings

BRUN Institutional Ownership

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

Who owns Boost Run Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 98 funds reported holding BRUN at Jun 30, 2026.

← BRUN stock page

Fund sentiment
Bullish
Strongly bearishNeutralStrongly bullish
  • ▲96 buying vs 0 selling
  • ●Shares held by funds +0.0%
  • ●Funds holding +98
  • ▲Superinvestors: 3 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 holding98+98 vs Q1 2026
Held by funds–of shares outstanding
Value held$705M19.1M shares
Put/call ratio1.00market makers left out

Funds holding and ownership

1 quarters
Not enough history yet.
Funds holding

Quarter over quarter

all 13F filers
Q2 2026This quarterLast quarterChange
Funds holding98––
In funds' top 105––
13F shares19.1M––
Held by funds–––
New positions96––
Increased0––
Reduced0––
Sold out0––
Calls (shares)385K––
Puts (shares)326K––
Put/call ratio1.00––

Buyers vs sellers

adding or new vs cutting or sold out
Not enough history yet.

Superinvestors in BRUN

All superinvestors →

Who owns BRUN

share of fund held shares
  • Index and passive funds4.0%
  • Active managers and hedge funds85.9%
  • Banks and brokers10.1%
  • Pensions, insurers and other0.0%

The top 10 holders own 64.1% of all BRUN shares that funds reported. Groups are our own grouping of filers by name.

Filed so far for Q3 2026

23 funds changed their position

🔒 Free account: see all 20.

Top holders

Q2 2026
#FundOf companySharesValueChange
1TOMS Capital Investment Management LP–3.1M$121M+3.1M
2Fmr LLC–1.8M$69.2M+1.8M
3Citadel Advisors LLC–1.3M$51.3M+1.3M
4D. E. Shaw & Co., Inc.–1.3M$48.5M+1.3M
5Point72 Asset Management, L.P.–971K$26.5M+971K
6UBS Group AG–860K$33.4M+860K
7AWM Investment Company, Inc.–814K$31.6M+814K
8Capricorn Fund Managers Ltd–750K$29.1M+750K
9Hiddenite Capital Partners LP–750K$29.1M+750K
10Wellington Management Group LLP–619K$24M+619K
🔒 15 more top holders. Create a free account or sign in to see them.
Biggest buyers

BRUN institutional ownership FAQ

Who owns the most BRUN stock?

In Q2 2026 13F filings the largest holder of BRUN was TOMS Capital Investment Management LP, followed by Fmr LLC and Citadel Advisors LLC. Index fund managers are usually the biggest holders of large companies.

What percentage of BRUN is owned by institutions?

98 funds reported holding 19.1M BRUN shares at Jun 30, 2026.

Are hedge funds buying BRUN?

In Q2 2026, 96 funds bought BRUN (96 of them new positions) and 0 sold (0 sold out completely). Among well known investors, 3 added and 0 cut. Our fund sentiment for BRUN is bullish.

What is BRUN's institutional put/call ratio?

Funds reported $12.7M of BRUN puts against $12.6M of calls, a put/call ratio of 1.00. Market makers and bank trading desks are left out, since their options are mostly hedges.

How current is this BRUN 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.