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BRUN · NASDAQ

$7.23−$0.255 (−3.41%)TodayMarket closed · Oct 23, 7:40 PM ET

Prev close $7.48

Who owns BRUN

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 7.7% of BRUN’s shares.

Scoggin Management LP1.3%
Magnetar Capital Partners LP1.2%
AWM Investment Company, Inc.1.0%
Barclays Bank PLC0.9%
Next 6 largest institutions3.3%
All other shareholders92.3%

Top institutional holders of BRUN
Holder	Shares	% of shares	Change, last filing	Filed
Scoggin Management LP	1.00M	1.26%	+300.00K	Mar 31, 2026
Magnetar Capital Partners LP	946.35K	1.19%	−88.24K	Mar 31, 2026
AWM Investment Company, Inc.	779.30K	0.98%	+779.30K	Mar 31, 2026
Barclays Bank PLC	740.90K	0.93%	+740.90K	Sep 30, 2025
Islet Management, LP	576.00K	0.72%	+576.00K	Dec 1, 2025
Highbridge Capital Management, LLC	573.59K	0.72%	+251.78K	Mar 31, 2026
Schechter Investments	422.75K	0.53%	+422.75K	Mar 31, 2025
K2 & Associates Investment Management Inc.	397.90K	0.50%	+397.90K	Mar 31, 2026
DLD Asset Management, LP	329.00K	0.41%	+182.21K	Mar 31, 2026
D. E. Shaw & Co., L.P.	320.01K	0.40%	+0	Mar 31, 2026

Largest mutual fund holders

Top mutual fund holders of BRUN
Holder	Shares	% of shares	Change, last filing	Filed
PICTON Arbitrage Alternative Fund	394.80K	0.50%	+394.80K	Jun 30, 2025
PICTON Arbitrage Plus Alternative Fund	394.80K	0.50%	+394.80K	Jun 30, 2025
Destinations Multi Strategy Alternatives Fund	222.07K	0.28%	+222.07K	Nov 30, 2025
RiverNorth Opportunities Fund, Inc.	130.00K	0.16%	+0	Dec 31, 2025
Driehaus Event Driven Fund	97.59K	0.12%	+0	Jan 31, 2026

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders sold $10.99M (2 trades) of BRUN on the open market, with no buys.

Latest BRUN insider transactions
Insider	Date	Type	Shares	Price	Value
Georgakopoulos Harilaos	Sep 29, 2026	Award	300.00K	—	—
Guckel Erik	Sep 29, 2026	Award	2.89M	—	—
Goodrich Sean	Sep 14, 2026	Sale	500.00K	$14.00	$7.00M
Goodrich Sean	Aug 27, 2026	Sale	198.20K	$20.15	$3.99M
Goodrich Sean	Aug 19, 2026	Option exercise	1.10M	—	—
Goodrich Sean	Aug 19, 2026	Option exercise	1.10M	$11.50	$12.67M
Goodrich Sean	Jun 9, 2026	Option exercise	1.97M	$1.75	$3.45M
Goodrich Sean	Jun 9, 2026	Other	1.10M	$1.75	$1.93M
Goodrich Sean	Jun 9, 2026	Option exercise	1.27M	$1.75	$2.23M
Steinberg Jeremy Rayne	May 12, 2026	Option exercise	25.38K	—	—

Short interest

Settled Sep 30, 2026

Shares short: 4.98M
Days to cover: 2.29
% of shares outstanding: 6.26%
Average daily volume: 2.17M
Change since last report: +1.8%

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