Oncology Institute Ownership | Who Owns Oncology Institute?
Oncology Institute Ownership Summary
Oncology Institute is owned by 3.15% institutional investors, 8.88% insiders, and 87.97% retail investors. Kent lake capital is the largest institutional shareholder, holding 2.36% of TOI shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.05% of its assets in Oncology Institute shares.
TOI Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Oncology Institute | 3.15% | 8.88% | 87.97% |
| Sector | Healthcare Stocks | 487.91% | 11.08% | -398.99% |
| Industry | Medical Care Facilities Stocks | 75.76% | 12.33% | 11.91% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Kent lake capital | 1.75M | 2.36% | $805.00K |
| Vanguard group | 1.75M | 2.32% | $542.11K |
| Triatomic management lp | 802.97K | 1.08% | $369.36K |
| Freegulliver | 600.75K | 0.80% | $185.63K |
| Geode capital management | 347.35K | 0.46% | $107.36K |
| Tiff advisory services | 3.63M | 0.39% | $7.45M |
| Citadel advisors | 269.70K | 0.36% | $124.06K |
| Deerfield management company, l.p. (series c) | 3.36M | 0.36% | $6.89M |
| Blackrock funding, inc. /de | 3.31M | 0.35% | $6.78M |
| Fourworld capital management | 257.00K | 0.34% | $79.41K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Triatomic management lp | 802.97K | 10.89% | $369.36K |
| Tiff advisory services | 3.63M | 1.76% | $7.45M |
| Wexford capital lp | 1.12M | 0.64% | $2.29M |
| Josh arnold investment consultant | 291.15K | 0.56% | $596.86K |
| Kent lake capital | 1.75M | 0.36% | $805.00K |
| Manatuck hill partners | 249.80K | 0.19% | $512.09K |
| Deerfield management company, l.p. (series c) | 3.36M | 0.13% | $6.89M |
| Freegulliver | 600.75K | 0.09% | $185.63K |
| Mount lucas management lp | 77.00K | 0.07% | $157.85K |
| Fourworld capital management | 257.00K | 0.04% | $79.41K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock funding, inc. /de | 3.31M | 0.00% | 3.04M |
| Marshall wace, llp | 1.48M | 0.00% | 1.48M |
| Wexford capital lp | 1.12M | 0.64% | 1.12M |
| Tiff advisory services | 3.63M | 1.76% | 655.32K |
| Kent lake capital | 1.75M | 0.36% | 563.29K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fmr | - | - | -4.75M |
| Josh arnold investment consultant | 291.15K | 0.56% | -1.70M |
| Cincinnati insurance | - | - | -1.24M |
| Element pointe advisors | - | - | -199.03K |
| Quattro financial advisors | - | - | -162.72K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Marshall wace, llp | 1.48M | 0.00% | 1.48M | $3.03M |
| Wexford capital lp | 1.12M | 0.64% | 1.12M | $2.29M |
| Portolan capital management | 221.51K | 0.03% | 221.51K | $454.10K |
| Verition fund management | 139.76K | 0.00% | 139.76K | $286.51K |
| Graham capital management | 86.21K | 0.00% | 86.21K | $176.72K |
Sold Out
| Holder | Change |
|---|---|
| Wells fargo & company/mn | -248.00 |
| Boston financial mangement | -2.68K |
| Kirr marbach & co llc /in/ | -2.73K |
| Deutsche bank ag\ | -9.44K |
| Mariner | -10.88K |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Sep 30, 2024 | 33 | -15.38% | 20,426,970 | 9.22% | 27 | 4.26% | 14 | 7.69% | 7 | -46.15% |
| Jun 30, 2024 | 39 | -15.22% | 18,701,866 | 8.37% | 25 | 4.60% | 13 | -38.10% | 13 | 18.18% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.84M | 3.05% | -145.90K |
| Fidelity Growth Compy Commingled Pl S | 2.05M | 2.72% | 2.05M |
| Fidelity Growth Company Fund | 1.80M | 2.38% | 1.80M |
| iShares Russell 2000 ETF | 1.47M | 1.57% | - |
| Fidelity Small Cap Index | 592.10K | 0.63% | 592.10K |
| Vanguard Institutional Extnd Mkt Idx Tr | 546.96K | 0.59% | -249.23K |
| Fidelity Growth Company K6 | 431.19K | 0.57% | 431.19K |
| iShares Russell 2000 Growth ETF | 510.21K | 0.55% | - |
| Fidelity Series Growth Company | 377.38K | 0.50% | 377.38K |
| State St Russell Sm/Mid Cp® Indx SL Cl I | 303.31K | 0.33% | 303.31K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Sep 04, 2025 | M33 Growth I L.P. | Sell | $18.60M | |
| Sep 04, 2025 | M33 Growth I L.P. | Sell | $2.11M | |
| Aug 19, 2025 | Hively Brad | - | Sell | $82.10K |
| Jun 05, 2025 | M33 Growth I L.P. | Sell | $2.05M | |
| Jun 05, 2025 | M33 Growth I L.P. | Sell | $232.79K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | - | 3 |
| 2025 Q2 | - | 6 |
| 2025 Q1 | 18 | - |
| 2024 Q4 | 2 | - |
| 2024 Q3 | - | - |
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