The Oncology Institute, Inc.

TOI • NASDAQ

The Oncology Institute, Inc. is a medical - care facilities company in the healthcare sector on NASDAQ, led by Daniel Virnich, with a market cap of $371.9M. As of Q3 2025, 36% of shares are held by 105 institutional investors, with VANGUARD GROUP INC as the largest holder at 4.86%.

Chief Executive OfficerDaniel Virnich

Market Cap$371.9M

Medical - Care Facilities

Healthcare

Employees800.0

Websitetheoncologyinstitute.com

Country

United States of America

Overview

Overview of institutional ownership in TOI as of Q3 2025 with a market cap of $326.3M

All Institutions

Institutions: 105
Value Held: $118.1M
Shares Held: 33.9M
Avg Position: $1.1M
Median Position: $157.9K

Hedge Funds

Hedge Funds: 20
Value Held: $47.9M
Shares Held: 13.7M
Avg Position: $2.4M
Median Position: $528.8K

Ownership Breakdown

Institutional (non-HF)

21.52%

$70.2M

Hedge Funds

14.69%

$47.9M

Retail & Other

63.8%

$208.2M

Based on market cap of $326.3M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in TOI as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$15.9M 0.00% of portfolio	4.86% 4.5M shares	Q4 2021 Held for 3y 11m	$6.69T
B BlackRock, Inc. Institution	-	$12.0M 0.00% of portfolio	3.67% 3.4M shares	Q2 2022 Held for 3y 5m	$5.67T
DEERFIELD MANAGEMENT CO /NY Hedge Fund•Long/Short	James Edward Flynn President	$11.7M 0.19% of portfolio	3.59% 3.4M shares	Q4 2021 Held for 3y 11m	$6.0B
CenterBook Partners LP Hedge Fund•Market Neutral	David Israel Stemerman CEO	$9.4M 0.47% of portfolio	2.89% 2.7M shares	Q2 2025 Held for 5 months	$2.0B
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	Dmitry Balyasny CIO	$8.8M 0.02% of portfolio	2.69% 2.5M shares	Q3 2023 Held for 2y 2m	$48.1B
Kanen Wealth Management LLC RIA/Wealth	David Lawrence Kanen Member	$6.4M 2.15% of portfolio	1.97% 1.8M shares	Q3 2025 Held for 2 months	$299.1M
WEXFORD CAPITAL LP Hedge Fund•Multi-Strategy	Charles Eugene Davidson Chairman	$5.5M 1.66% of portfolio	1.68% 1.6M shares	Q2 2025 Held for 5 months	$330.0M
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$4.9M 0.00% of portfolio	1.50% 1.4M shares	Q4 2021 Held for 3y 11m	$1.57T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$3.9M 0.00% of portfolio	1.21% 1.1M shares	Q1 2022 Held for 3y 8m	$2.88T
UBS Group AG Institution	Sergio P. Ermotti CEO	$3.7M 0.00% of portfolio	1.13% 1.1M shares	Q4 2024 Held for 11 months	$511.54B

Net Capital Flow

Institutional buying and selling activity for TOI in Q3 2025

Traded: +$23.0M
Buyers: 68
Sellers: 27
Total Bought: +$36.3M
Total Sold: −$13.3M
Avg Position: $1.1M

Biggest Buyers

Institution	Net Bought	Current Position
CenterBook Partners LP Hedge Fund•Market Neutral	+$6.9M +2.0M shares	$9.4M 2.7M shares
Kanen Wealth Management LLC RIA/Wealth	+$6.4M +1.8M shares	$6.4M 1.8M shares
UBS Group AG Institution	+$2.2M +635.5K shares	$3.7M 1.1M shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$1.9M +546.0K shares	$3.3M 951.0K shares
GOLDMAN SACHS GROUP INC Institution	+$1.8M +527.0K shares	$2.4M 681.6K shares
STATE STREET CORP Institution	+$1.7M +483.8K shares	$3.9M 1.1M shares
WEXFORD CAPITAL LP Hedge Fund•Multi-Strategy	+$1.6M +452.4K shares	$5.5M 1.6M shares
M Manatuck Hill Partners, LLC Hedge Fund•Long/Short	+$1.3M +380.0K shares	$2.2M 629.8K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	+$1.0M +293.0K shares	$2.6M 750.5K shares
L LPL Financial LLC Institution	+$931.8K +267.0K shares	$931.8K 267.0K shares

Biggest Sellers

Institution	Net Sold	Current Position
TIFF ADVISORY SERVICES INC Fund of Funds	−$9.7M −2.8M shares	$3.0M 856.6K shares
FreeGulliver LLC Hedge Fund•Multi-Strategy	−$467.0K −133.8K shares	$732.9K 210.0K shares
Portolan Capital Management, LLC Hedge Fund•Long/Short	−$454.1K −221.5K shares	Sold Off 0 shares
Verition Fund Management LLC Hedge Fund•Multi-Strategy	−$424.9K −121.7K shares	$62.9K 18.0K shares
Bank of New York Mellon Corp Institution	−$407.5K −116.7K shares	$460.3K 131.9K shares
MORGAN STANLEY RIA/Wealth	−$294.4K −84.4K shares	$317.6K 91.0K shares
CITIZENS FINANCIAL GROUP INC/RI Institution	−$244.0K −119.0K shares	Sold Off 0 shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	−$233.0K −113.7K shares	Sold Off 0 shares
S Saba Capital Management, L.P. Hedge Fund•Multi-Strategy	−$193.2K −94.3K shares	Sold Off 0 shares
Q Quadrature Capital Ltd Institution	−$138.4K −39.5K shares	$141.2K 40.3K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited TOI in Q3 2025

New Positions: 27
New Value: $11.3M
Exited Positions: 6
Exited Value: $1.3M

New Positions

Institution	Position Value
Kanen Wealth Management LLC RIA/Wealth	$6.4M 1.8M shares
L LPL Financial LLC Institution	$931.8K 267.0K shares
BOOTHBAY FUND MANAGEMENT, LLC Fund of Funds	$865.1K 247.9K shares
E EHP Funds Inc. Institution	$851.7K 244.0K shares
N NKCFO LLC RIA/Wealth	$663.1K 190.0K shares
M MAVEN SECURITIES Ltd Private Equity	$349.0K 100.0K shares
J Jump Financial, LLC Institution	$291.1K 83.4K shares
Private Advisor Group, LLC RIA/Wealth	$240.5K 68.9K shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	$153.8K 44.1K shares
Goss Wealth Management LLC RIA/Wealth	$149.8K 42.9K shares

Exited Positions

Institution	Previous Position
Portolan Capital Management, LLC Hedge Fund•Long/Short	$454.1K 221.5K shares
CITIZENS FINANCIAL GROUP INC/RI Institution	$244.0K 119.0K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$233.0K 113.7K shares
S Saba Capital Management, L.P. Hedge Fund•Multi-Strategy	$193.2K 94.3K shares
X XTX Topco Ltd Institution	$101.4K 49.4K shares
Hudson Bay Capital Management LP Hedge Fund•Multi-Strategy	$31.2K 15.2K shares

Options Activity

Institutions with the largest Call and Put options positions in TOI as of Q3 2025

Call Positions: 5
Call Value: $1.7M
Put Positions: 2
Put Value: $103.3K

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$616.0K 1.8K contracts
J JANE STREET GROUP, LLC Institution	$460.3K 1.3K contracts
A Alyeska Investment Group, L.P. Hedge Fund•Multi-Strategy	$292.7K 838.6 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$280.6K 804.0 contracts
W WOLVERINE TRADING, LLC Institution	$60.9K 176.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$53.0K 152.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$50.3K 144.0 contracts

Most Committed Institutions

Institutions with TOI as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
F FourWorld Capital Management LLC Institution	-	3.03% $1.2M	0.38% 358.0K shares	Q1 2024 Held for 1y 8m	$41.3M
Kanen Wealth Management LLC RIA/Wealth	David Lawrence Kanen Member	2.15% $6.4M	1.97% 1.8M shares	Q3 2025 Held for 2 months	$299.1M
WEXFORD CAPITAL LP Hedge Fund•Multi-Strategy	Charles Eugene Davidson Chairman	1.66% $5.5M	1.68% 1.6M shares	Q2 2025 Held for 5 months	$330.0M
E EHP Funds Inc. Institution	-	1.17% $851.7K	0.26% 244.0K shares	Q3 2025 Held for 2 months	$72.6M
M Manatuck Hill Partners, LLC Hedge Fund•Long/Short	Mark Allen Broach Managing Partner	0.78% $2.2M	0.67% 629.8K shares	Q1 2025 Held for 8 months	$282.7M
TIFF ADVISORY SERVICES INC Fund of Funds	Clarence Kane Brenan CEO	0.62% $3.0M	0.92% 856.6K shares	Q3 2023 Held for 2y 2m	$480.3M
J JOSH ARNOLD INVESTMENT CONSULTANT, LLC RIA/Wealth	Joshua David Arnold Managing Partner	0.57% $712.8K	0.22% 204.3K shares	Q1 2025 Held for 8 months	$124.1M
M Massar Capital Management, LP Institution	-	0.52% $1.4M	0.43% 400.0K shares	Q1 2025 Held for 8 months	$269.6M
CenterBook Partners LP Hedge Fund•Market Neutral	David Israel Stemerman CEO	0.47% $9.4M	2.89% 2.7M shares	Q2 2025 Held for 5 months	$2.0B
FreeGulliver LLC Hedge Fund•Multi-Strategy	Frank Friedler CEO	0.33% $732.9K	0.22% 210.0K shares	Q4 2023 Held for 1y 11m	$221.6M

Hedge Fund Spotlight

Discover hedge funds investing in TOI

Diametric Capital, LP

Hedge Fund • Long/Short

Portfolio ManagerDavid Richard Salvietti

Portfolio Value: $264.8M
Positions: 367
Last Reported: Q3 2025

Sector Allocation

Position in The Oncology Institute, Inc.

Market Value: $149.9K
Shares Held: 42.9K
Portfolio Weight: 0.06%
Owned Since: 2025-Q3

Top Holding	Sector	Market Value	Weight
1 BitMine Immersion Technologies, Inc. BMNR	Unknown Unknown	$13.0M	4.90%
2 ALT5 Sigma Corporation ALTS	Unknown Unknown	$9.5M	3.60%
3 Invesco S&P 500 Low Volatility SPLV	ETF ETF	$8.8M	3.31%