OIO · OIO Group

$1.94 +0.09 (+4.86%) At close · Aug 21

Market Cap

$675.16M

348.02M

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.

Quarter:

Holders: 17

Total Value: $183,504

Total Shares: 3,931,569

Institutional Ownership Trend

12 quarters

Holder Concentration

Across 17 13F filers · Δ vs Mar 31, 2026

Top Holder

61.9%

−34.8 pts

Top 5

100.0%

0.0 pts

Top 10

100.0%

0.0 pts

HHI

4,564

Highly concentrated−4,801

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +3

Institutional value: +81.4%

Shares held: +5.9%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Large TORONTO DOMINION BANK	+1,081,728	1,622,693
Mid BOOTHBAY FUND MANAGEMENT, LLC	+379,667	569,500
Large Clear Street Group Inc.	+239,809	359,714
Mega D. E. Shaw & Co., Inc.	+206,667	310,000
Small Yakira Capital Management, Inc.	+196,363	294,545

Top Sellers

vs Mar 31, 2026

No qualifying movers this quarter.

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega CITADEL ADVISORS LLC	49,797	$113,537
Mid XTX Topco Ltd	17,080	$38,942
Small Caitong International Asset Management Co., Ltd	2	$4
Mid MMCAP International Inc. SPC	154,750	$0

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)	Open
Mid WOLVERINE ASSET MANAGEMENT LLC	452	$0

Filter: New 4 Increased 13 Reduced 0 Sold out 1 Unchanged 0

Showing 17 of 17

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

CITADEL ADVISORS LLC

$113,537

61.87%

49,797

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	49,797	$113,537	100.0%	Defined

XTX Topco Ltd

$38,942

21.22%

17,080

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	17,080	$38,942	100.0%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$31,021

16.90%

13,606

Caitong International Asset Management Co., Ltd

0.00%

Elequin Capital, LP OIOWW

—

20,000

SUSQUEHANNA INTERNATIONAL GROUP, LLP OIOWW

—

19,299

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
G1 EXECUTION SERVICES, LLC	19,299	$0	—	Other

Aristides Capital LLC OIOWW

—

42,000

Yakira Capital Management, Inc. OIOWW

—

294,545

Clear Street Group Inc. OIOWW

—

359,714

UBS Group AG OIOWW

—

23,186

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Securities LLC	23,186	$0	—	Defined

TORONTO DOMINION BANK OIOWW

—

1,622,693

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TD SECURITIES (USA) LLC	1,622,693	$0	—	Defined

D. E. Shaw & Co., Inc. OIOWW

—

310,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	310,000	$0	—	Defined

BOOTHBAY FUND MANAGEMENT, LLC OIOWW

—

569,500

Periscope Capital Inc. OIOWW

—

200,800

TWO SIGMA SECURITIES, LLC OIOWW

—

19,597

RIVERNORTH CAPITAL MANAGEMENT, LLC OIOWW

—

215,000

MMCAP International Inc. SPC OIOWW

—

154,750

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Wolverine Holdings, LLC	1,355	$0	—	Defined

Key facts CIK 1957538 CUSIP G3R95P124 13F (30d) 17 filings 17 filers Visit website Investor relations