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TOI

Oncology Institute, Inc.
$5.28 -0.23 (-4.17%) At close · Jul 2
Market Cap
$527.91M
Shares
99,982,933

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.

Holders: 114
Total Value: $124,288,933
Total Shares: 40,485,017
Showing 1–100 of 119 holdings by value · page 1 of 2

Institutional Ownership Trend

19 quarters

Holder Concentration

Across 114 13F filers · Δ vs Dec 31, 2025
Top Holder
10.9%
Jun 2023 → Mar 2026 · range 10.9% – 34.2%
−0.5 pts
Top 5
40.7%
Jun 2023 → Mar 2026 · range 40.7% – 85.1%
−6.6 pts
Top 10
63.5%
Jun 2023 → Mar 2026 · range 63.5% – 94.3%
−7.5 pts
HHI
508
Jun 2023 → Mar 2026 · range 508 – 2,033
Broadly held−109

Quarterly Activity

vs Dec 31, 2025
New
24
Increased
51
Decreased
27
Sold Out
27
Unchanged
12
Holder count: -3
Institutional value: -16.6%
Shares held: -3.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega CITADEL ADVISORS LLC +1,877,567 2,354,667
Mega GOLDMAN SACHS GROUP INC +781,475 1,351,899
Mega BlackRock, Inc. +510,534 4,415,867
Mega UBS Group AG +286,966 574,652
Small BRC Group Holdings, Inc. +266,358 929,734

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large Balyasny Asset Management L.P. −2,955,167 1,826,370
Mid CenterBook Partners LP −1,460,889 1,568,423
Mega JANE STREET GROUP, LLC −513,521 628,894
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP −235,881 726,669
Mega LPL Financial LLC −209,820 61,065

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 3,476,781 $10,673,717
Large Ensign Peak Advisors, Inc 626,852 $1,924,435
Small FourWorld Capital Management LLC 499,196 $1,532,531
Mega VANGUARD FIDUCIARY TRUST CO 483,060 $1,482,994
Micro Dauntless Investment Group, LLC 462,057 $1,418,514

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 4,748,635 $16,905,139
Small Massar Capital Management, LP 400,000 $1,424,000
Small GatePass Capital, LLC 360,000 $1,281,600
Micro FreeGulliver LLC 355,672 $1,266,192
Small Maven Securities LTD 251,128 $894,015
Filter: New 24 Increased 51 Reduced 27 Sold out 27 Unchanged 12
Showing 100 of 119
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $13,556,708 10.91% 4,415,867
Mega VANGUARD CAPITAL MANAGEMENT LLC $10,673,717 8.59% 3,476,781
Mid DEERFIELD MANAGEMENT COMPANY, L.P. $10,315,359 8.30% 3,360,052
Small Kanen Wealth Management LLC $8,528,024 6.86% 2,777,858
Small JOSH ARNOLD INVESTMENT CONSULTANT, LLC $7,565,582 6.09% 2,464,359
Large Balyasny Asset Management L.P. $5,606,955 4.51% 1,826,370
Mega GEODE CAPITAL MANAGEMENT, LLC $5,396,589 4.34% 1,757,847
Small WEXFORD CAPITAL LP $5,253,761 4.23% 1,711,323
Mega CITADEL ADVISORS LLC $5,228,210 4.21% 1,703,000
Mid CenterBook Partners LP $4,815,058 3.87% 1,568,423
Mega STATE STREET CORP $4,486,663 3.61% 1,461,454
Mega GOLDMAN SACHS GROUP INC $4,150,329 3.34% 1,351,899
Small BRC Group Holdings, Inc. $2,854,283 2.30% 929,734
Large RENAISSANCE TECHNOLOGIES LLC $2,771,623 2.23% 902,809
Large Ensign Peak Advisors, Inc $1,924,435 1.55% 626,852
Mega CITADEL ADVISORS LLC $1,867,379 1.50% 608,267
Mega UBS Group AG $1,764,181 1.42% 574,652
Mega NORTHERN TRUST CORP Bank $1,714,455 1.38% 558,455
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,593,023 1.28% 518,900
Small FourWorld Capital Management LLC $1,532,531 1.23% 499,196
Mega VANGUARD FIDUCIARY TRUST CO Bank $1,482,994 1.19% 483,060
Micro Dauntless Investment Group, LLC $1,418,514 1.14% 462,057
Mega JANE STREET GROUP, LLC $1,304,424 1.05% 424,894
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $1,287,628 1.04% 419,423
Mega JPMORGAN CHASE & CO $1,136,442 0.91% 370,177
Large MARSHALL WACE, LLP $1,050,753 0.85% 342,265
Mega TWO SIGMA INVESTMENTS, LP $944,804 0.76% 307,754
Small Mount Lucas Management LP $767,500 0.62% 250,000
Large Centiva Capital, LP $688,432 0.55% 224,245
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $659,789 0.53% 214,915
Mega JANE STREET GROUP, LLC $626,280 0.50% 204,000
Micro TIFF ADVISORY SERVICES, LLC $600,089 0.48% 195,469
Mega MORGAN STANLEY $527,853 0.42% 171,940
Mega Bank of New York Mellon Corp Bank $498,696 0.40% 162,442
Mid BOOTHBAY FUND MANAGEMENT, LLC $423,021 0.34% 137,792
Mega MILLENNIUM MANAGEMENT LLC $403,772 0.32% 131,522
Large Cetera Investment Advisers $393,558 0.32% 128,195
Mid Jump Financial, LLC $357,440 0.29% 116,430
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $352,743 0.28% 114,900
Small T3 Companies, LLC $343,533 0.28% 111,900
Small State of Wyoming $318,104 0.26% 103,617
Mid KINGSWOOD WEALTH ADVISORS, LLC $316,824 0.25% 103,200
Mega Nuveen, LLC $292,460 0.24% 95,264
Mid Private Advisor Group, LLC $289,101 0.23% 94,170
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $285,107 0.23% 92,869
Mid XTX Topco Ltd $277,362 0.22% 90,346
Large HighTower Advisors, LLC $257,631 0.21% 83,919
Small Lee Financial Co $249,781 0.20% 81,362
Mid Aquatic Capital Management LLC $240,896 0.19% 78,468
Mega RHUMBLINE ADVISERS $238,984 0.19% 77,845
Small Fielder Capital Group LLC $215,489 0.17% 70,192
Small WealthShield Partners, LLC $215,372 0.17% 70,154
Mega BANK OF AMERICA CORP /DE/ Bank $194,757 0.16% 63,439
Mid Engineers Gate Manager LP $192,777 0.16% 62,794
Mega ALLIANCEBERNSTEIN L.P. $189,112 0.15% 61,600
Mega LPL Financial LLC $187,469 0.15% 61,065
Mega DEUTSCHE BANK AG\ Bank $171,680 0.14% 55,922
Mid ADAR1 Capital Management, LLC $153,500 0.12% 50,000
Mega FMR LLC $152,060 0.12% 49,531
Mega PRICE T ROWE ASSOCIATES INC /MD/ $148,191 0.12% 48,271
Small Innovative Asset Advisors Group, LLC $145,057 0.12% 47,250
Mega AQR CAPITAL MANAGEMENT LLC $136,673 0.11% 44,519
Mega CITADEL ADVISORS LLC $133,238 0.11% 43,400
Mega WELLS FARGO & COMPANY/MN $124,098 0.10% 40,423
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $114,765 0.09% 37,383
Mega Invesco Ltd. $114,261 0.09% 37,219
Mid Graham Capital Management, L.P. $103,741 0.08% 33,792
Small Caitong International Asset Management Co., Ltd $102,169 0.08% 33,280
Small Pekin Hardy Strauss, Inc. $98,240 0.08% 32,000
Small Holt Capital Advisors, L.L.C. dba Holt Capital Partners, L.P. $90,669 0.07% 29,534
Mega Vanguard Global Advisers, LLC $88,643 0.07% 28,874
Mid Arax Advisory Partners $88,127 0.07% 28,706
Large MetLife Investment Management, LLC $85,315 0.07% 27,790
Large Police & Firemen's Retirement System of New Jersey Pension $84,814 0.07% 27,627
Large PRUDENTIAL FINANCIAL INC $81,431 0.07% 26,525
Large Creative Planning $80,470 0.06% 26,212
Large ExodusPoint Capital Management, LP $74,966 0.06% 24,419
Small EntryPoint Capital, LLC $73,225 0.06% 23,852
Large Squarepoint Ops LLC $73,161 0.06% 23,831
Mid INTECH INVESTMENT MANAGEMENT LLC $69,019 0.06% 22,482
Mega ROYAL BANK OF CANADA Bank $68,328 0.05% 22,257
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $67,214 0.05% 21,894
Large Schonfeld Strategic Advisors LLC $65,188 0.05% 21,234
Mega BNP PARIBAS ARBITRAGE, SA $51,968 0.04% 16,928
Small R Squared Ltd $50,203 0.04% 16,353
Mega BARCLAYS PLC $46,590 0.04% 15,176
Mid Granite Investment Partners, LLC $45,531 0.04% 14,831
Large SG Americas Securities, LLC Broker-Dealer $43,280 0.03% 14,098
Mid NINE MASTS CAPITAL Ltd $43,035 0.03% 14,018
Large VOYA INVESTMENT MANAGEMENT LLC $40,932 0.03% 13,333
Mid Virtu Financial LLC $40,563 0.03% 13,213
Mid VestGen Advisors, LLC $36,840 0.03% 12,000
Large ProShare Advisors LLC $35,492 0.03% 11,561
Mid AMG National Trust Bank Bank $30,700 0.02% 10,000
Mid Quantbot Technologies LP $29,026 0.02% 9,455
Mid GROUP ONE TRADING LLC $27,746 0.02% 9,038
Mid Tower Research Capital LLC (TRC) $22,453 0.02% 7,314
Mega Legal & General Group Plc $20,016 0.02% 6,520
Mid Ameritas Investment Partners, Inc. $18,499 0.01% 6,026
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $17,192 0.01% 5,600
Key facts CIK 1799191 CUSIP 68236X100 Visit website Investor relations

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