Oncology Institute Ownership | Who Owns Oncology Institute?
Oncology Institute Ownership Summary
Oncology Institute is owned by 2.27% institutional investors, 8.88% insiders, and 88.85% retail investors. Kent lake capital is the largest institutional shareholder, holding 2.36% of TOI shares. Fidelity Growth Compy Commingled Pl S is the top mutual fund, with 2.72% of its assets in Oncology Institute shares.
TOI Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Oncology Institute | 2.27% | 8.88% | 88.85% |
| Sector | Healthcare Stocks | 232.01% | 10.74% | -142.75% |
| Industry | Medical Care Facilities Stocks | 33.52% | 12.46% | 54.02% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Kent lake capital | 1.75M | 2.36% | $805.00K |
| Triatomic management lp | 802.97K | 1.08% | $369.36K |
| Vanguard group | 4.75M | 0.49% | $16.91M |
| Blackrock funding, inc. /de | 3.91M | 0.40% | $13.90M |
| Citadel advisors | 269.70K | 0.36% | $124.06K |
| Deerfield management company, l.p. (series c) | 3.36M | 0.36% | $11.73M |
| Centerbook partners lp | 3.03M | 0.31% | $10.78M |
| Blackrock | 204.81K | 0.28% | $94.22K |
| Balyasny asset management | 2.52M | 0.27% | $5.16M |
| Kanen wealth management | 1.84M | 0.20% | $6.42M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Triatomic management lp | 802.97K | 10.89% | $369.36K |
| Kanen wealth management | 1.84M | 2.15% | $6.42M |
| Fourworld capital management | 358.00K | 1.97% | $1.25M |
| B. riley financial | 663.38K | 1.01% | $2.36M |
| Wexford capital lp | 1.57M | 0.79% | $5.48M |
| Manatuck hill partners | 629.80K | 0.73% | $2.20M |
| Josh arnold investment consultant | 204.25K | 0.57% | $712.83K |
| Centerbook partners lp | 3.03M | 0.53% | $10.78M |
| Freegulliver | 355.67K | 0.47% | $1.27M |
| Kent lake capital | 1.75M | 0.36% | $805.00K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Kanen wealth management | 1.84M | 2.15% | 1.84M |
| Jane street group | 803.32K | 0.00% | 678.43K |
| Kent lake capital | 1.75M | 0.36% | 563.29K |
| State street | 1.13M | 0.00% | 483.77K |
| Blackrock funding, inc. /de | 3.91M | 0.00% | 470.46K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Josh arnold investment consultant | 204.25K | 0.57% | -2.24M |
| Marshall wace, llp | 25.16K | 0.00% | -1.45M |
| Cincinnati insurance | - | - | -1.24M |
| Ubs group | 287.69K | 0.00% | -768.18K |
| Tiff advisory services | 195.57K | 0.12% | -661.06K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Kanen wealth management | 1.84M | 2.15% | 1.84M | $6.42M |
| Boothbay fund management | 247.88K | 0.01% | 247.88K | $865.12K |
| Squarepoint ops | 142.55K | 0.00% | 142.55K | $497.51K |
| Exoduspoint capital management, lp | 115.24K | 0.00% | 115.24K | $402.20K |
| Sei investments | 111.55K | 0.00% | 111.55K | $397.13K |
Sold Out
| Holder | Change |
|---|---|
| Srs capital advisors | -14.00 |
| C m bidwell & associates | -265.00 |
| Capital advisors | -1.22K |
| Boston financial mangement | -2.68K |
| Kirr marbach & co llc /in/ | -2.73K |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 74 | -35.09% | 22,126,511 | -36.18% | 2 | 16.40% | 47 | -33.80% | 13 | -43.48% |
| Sep 30, 2025 | 106 | 43.24% | 33,706,659 | 8.37% | 3 | 32.47% | 63 | 3.28% | 23 | 475.00% |
| Jun 30, 2025 | 78 | 85.71% | 29,319,382 | 73.47% | 3 | 65.45% | 64 | 178.26% | 5 | -28.57% |
| Mar 31, 2025 | 42 | 40.00% | 16,901,932 | 14.88% | 2 | 0.58% | 23 | 76.92% | 7 | 133.33% |
| Dec 31, 2024 | 18 | -47.06% | 8,865,387 | -56.94% | 11 | 1.58% | 8 | -46.67% | 3 | -57.14% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Fidelity Growth Compy Commingled Pl S | 2.05M | 2.72% | 2.05M |
| Vanguard Total Stock Mkt Idx Inv | 2.62M | 2.66% | - |
| Fidelity Growth Company Fund | 1.80M | 2.38% | 1.80M |
| iShares Russell 2000 ETF | 1.67M | 1.70% | 1.34M |
| Philotimo Focused Growth and Income | 1.06M | 1.08% | 227.78K |
| Vanguard Institutional Extnd Mkt Idx Tr | 737.36K | 0.75% | - |
| Fidelity Small Cap Index | 599.82K | 0.61% | -713.00 |
| iShares Russell 2000 Growth ETF | 568.89K | 0.58% | 568.89K |
| Fidelity Growth Company K6 | 431.19K | 0.57% | 431.19K |
| Fidelity Series Growth Company | 377.38K | 0.50% | 377.38K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jan 02, 2026 | Carter Robert Ross | Chief Financial Officer | Sell | $879.32 |
| Dec 15, 2025 | Hively Brad | - | Sell | $50.29K |
| Nov 18, 2025 | Pacala Mark L | - | Sell | $8.64K |
| Nov 18, 2025 | Pacala Mark L | - | Sell | $186.52K |
| Nov 18, 2025 | Pacala Mark L | - | Sell | $4.84K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | 4 |
| 2025 Q3 | - | 3 |
| 2025 Q2 | - | 6 |
| 2025 Q1 | 18 | - |
| 2024 Q4 | 2 | - |
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