Oncology Institute, Inc. (TOI) Institutional Ownership

Institutions by Trading Activity

97,474,797Shares Outstanding

39,091,137Shares held by institutions

$151,087,245Value of institutional holdings

40.10%Institutional ownership %

17.82%Shares Changed QoQ

117No. of institutional investors

Oncology Institute, Inc. (NASDAQ:TOI) showed up in the 13F filings of 115 institutional investors as of December 2025.

These investors collectively held 39.5% of Oncology Institute's outstanding shares in December 2025, up from 35.6% in September 2025.
Their total shares held in TOI increased 16.44% quarter over quarter, and separately, investors owning Oncology Institute increased 259.38% from a year ago.
Of these 115 holders, 74 added to their stakes in Oncology Institute, 27 trimmed positions, and 14 made no changes.
In total, institutional investors held 38.48Mn shares in Oncology Institute as of December 2025, up by 5.43Mn shares quarter on quarter, and up 23.74Mn shares year over year.
As of December 31, 2025, the biggest holder of Oncology Institute is Lee Financial Co at 81.36K shares, representing 0.08% of shares outstanding.
Top purchasers of TOI stock for the quarter ending December 2025 included Capital Advisors, Ltd. LLC (1.22K), Sterling Capital Management LLC (128), Root Financial Partners, LLC (51), Farther Finance Advisors, LLC (7).
Top sellers of TOI stock for the quarter ending December 2025 included SG Americas Securities, LLC (2.04K), GAMMA Investing LLC (97).
According to Business Quant data, leading holders of TOI for December 2025 are Lee Financial Co (81.36K), SG Americas Securities, LLC (14.1K), Capital Advisors, Ltd. LLC (1.22K), Sterling Capital Management LLC (518), IFP Advisors, Inc (500), GAMMA Investing LLC (63), Root Financial Partners, LLC (51), Farther Finance Advisors, LLC (7).

39,091,137 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	4,748,635	203,390	4.47%	$16,905,141.00
BlackRock, Inc.	31 Dec, 2025	3,905,333	470,458	13.70%	$13,902,986.00
DEERFIELD MANAGEMENT COMPANY, L.P.	31 Dec, 2025	3,360,052	0	0.00%	$11,961,785.00
CenterBook Partners LP	31 Dec, 2025	3,029,312	324,662	12.00%	$10,784,351.00
Kanen Wealth Management LLC	31 Dec, 2025	2,976,144	1,134,043	61.56%	$10,712.00
BALYASNY ASSET MANAGEMENT L.P.	31 Dec, 2025	2,518,437	100	0.00%	$8,965,636.00
JOSH ARNOLD INVESTMENT CONSULTANT, LLC	31 Dec, 2025	2,459,809	2,255,559	1,104.31%	$8,756,920.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,570,454	168,548	12.02%	$5,592,185.00
WEXFORD CAPITAL LP	31 Dec, 2025	1,533,456	-37,613	-2.39%	$5,459,100.00
State Street Corp	31 Dec, 2025	1,351,624	221,599	19.61%	$4,811,781.00
Goldman Sachs Group Inc	31 Dec, 2025	1,140,848	459,205	67.37%	$4,061,418.00
JANE STREET GROUP, LLC	31 Dec, 2025	803,315	678,427	543.23%	$2,859,802.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	721,900	-28,600	-3.81%	$2,569,964.00
BRC Group Holdings, Inc.	31 Dec, 2025	663,376	-148,170	-18.26%	$2,361,619.00
Northern Trust Corp	31 Dec, 2025	499,244	34,552	7.44%	$1,777,308.00
Massar Capital Management, LP	31 Dec, 2025	400,000	0	0.00%	$1,424,000.00
Jpmorgan Chase & Co	31 Dec, 2025	386,778	337,920	691.64%	$1,376,930.00
FourWorld Capital Management LLC	31 Dec, 2025	382,700	24,700	6.90%	$1,362,412.00
GatePass Capital, LLC	31 Dec, 2025	360,000	360,000	0.00%	$1,281,600.00
FreeGulliver LLC	31 Dec, 2025	355,672	145,672	69.37%	$1,266,192.00

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