Oncology Institute, Inc. (TOI) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

3,768,605Shares held by institutions

$10,721,681Value of institutional holdings

35.30%Institutional ownership %

108.62%Shares Changed QoQ

79No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Oncology Institute, Inc. (NASDAQ:TOI) has 115 institutional investors with active 13F positions as of December 2025.

Their combined ownership stood at 39.5% of outstanding shares in December 2025, up from 35.6% in September 2025.
They increased total shares held in TOI by 16.44% quarter over quarter, and investors in Oncology Institute increased 259.38% from a year ago.
Among the 115 funds, 74 bought more Oncology Institute shares, 27 sold down, and 14 held their ground.
Combined, these investors held 38.48Mn shares in TOI for December 2025, up by 5.43Mn shares quarter on quarter, and up 23.74Mn shares year over year.
VANGUARD GROUP INC holds the largest position in TOI at 4.75Mn shares as of December 31, 2025, or 4.87% of shares outstanding.
Leading buyers of Oncology Institute shares for the quarter ending December 2025 were JOSH ARNOLD INVESTMENT CONSULTANT, LLC (2.26Mn), Kanen Wealth Management LLC (1.13Mn), JANE STREET GROUP, LLC (678.43K), BlackRock, Inc. (470.46K), GatePass Capital, LLC (360.0K).
The largest sales of TOI for the quarter ending December 2025 came from UBS Group AG (768.18K), MILLENNIUM MANAGEMENT LLC (757.86K), TIFF ADVISORY SERVICES, LLC (661.06K), BOOTHBAY FUND MANAGEMENT, LLC (162.65K), BRC Group Holdings, Inc. (148.17K).
Per Business Quant data, the top 10 holders of Oncology Institute for the quarter ending December 2025 are VANGUARD GROUP INC (4.75Mn), BlackRock, Inc. (3.91Mn), DEERFIELD MANAGEMENT COMPANY, L.P. (3.36Mn), CenterBook Partners LP (3.03Mn), Kanen Wealth Management LLC (2.98Mn), BALYASNY ASSET MANAGEMENT L.P. (2.52Mn), JOSH ARNOLD INVESTMENT CONSULTANT, LLC (2.46Mn), GEODE CAPITAL MANAGEMENT, LLC (1.57Mn), WEXFORD CAPITAL LP (1.53Mn), State Street Corp (1.35Mn).

115 Institutional Holders

3,768,605 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	470,458	13.70%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	203,390	4.47%	$0.00
CenterBook Partners LP	31 Dec, 2025	324,662	12.00%	$0.00
Barclays Plc	31 Dec, 2025	20,605	24.00%	$0.00
DEERFIELD MANAGEMENT COMPANY, L.P.	31 Dec, 2025	0	0.00%	$0.00
Kanen Wealth Management LLC	31 Dec, 2025	1,134,043	61.56%	$0.00
BALYASNY ASSET MANAGEMENT L.P.	31 Dec, 2025	100	0.00%	$0.00
JOSH ARNOLD INVESTMENT CONSULTANT, LLC	31 Dec, 2025	2,255,559	1,104.31%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	168,548	12.02%	$0.00
Massar Capital Management, LP	31 Dec, 2025	0	0.00%	$0.00
WEXFORD CAPITAL LP	31 Dec, 2025	-37,613	-2.39%	$0.00
FourWorld Capital Management LLC	31 Dec, 2025	24,700	6.90%	$0.00
State Street Corp	31 Dec, 2025	221,599	19.61%	$0.00
GatePass Capital, LLC	31 Dec, 2025	360,000	0.00%	$0.00
JANE STREET GROUP, LLC	31 Dec, 2025	678,427	543.23%	$0.00
FreeGulliver LLC	31 Dec, 2025	145,672	69.37%	$0.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	-28,600	-3.81%	$0.00
UBS Group AG	31 Dec, 2025	-768,176	-72.75%	$0.00
BRC Group Holdings, Inc.	31 Dec, 2025	-148,170	-18.26%	$0.00
Maven Securities LTD	31 Dec, 2025	151,128	151.13%	$0.00

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