# THE ONCOLOGY INSTITUTE INC (TOIIW)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/TOIIW/

- Reporting holders: 16
- Reported value: $3.1M
- Held through calls: 80.4%
- Held through puts: 14.3%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [GROUP ONE TRADING LLC](https://holderbook.com/funds/932540-group-one-trading-llc/) | $1.6M | 0 | 0.0% | 4 |
| [IMC-Chicago, LLC](https://holderbook.com/funds/1452861-imc-chicago-llc/) | $762.9K | 0 | 0.0% | 2 |
| [SIMPLEX TRADING, LLC](https://holderbook.com/funds/1488542-simplex-trading-llc/) | $583.7K | 0 | 0.0% | 4 |
| [Oasis Management Co Ltd.](https://holderbook.com/funds/1317904-oasis-management-co-ltd/) | $543.0K | 100,000 | 0.0% | 4 |
| [LMR Partners LLP](https://holderbook.com/funds/1578621-lmr-partners-llp/) | $66.3K | 1,624,856 | 0.0% | 19 |
| [DEERFIELD MANAGEMENT COMPANY, L.P.](https://holderbook.com/funds/1009258-deerfield-management-company-l-p/) | $51.0K | 1,250,000 | 0.0% | 19 |
| [WOLVERINE ASSET MANAGEMENT LLC](https://holderbook.com/funds/1279891-wolverine-asset-management-llc/) | $17.1K | 418,214 | 0.0% | 19 |
| [Davidson Kempner Capital Management LP](https://holderbook.com/funds/1595082-davidson-kempner-capital-management-lp/) | $13.0K | 318,710 | 0.0% | 19 |
| [TORONTO DOMINION BANK](https://holderbook.com/funds/947263-toronto-dominion-bank/) | $7.7K | 187,474 | 0.0% | 5 |
| [DEUTSCHE BANK AG\](https://holderbook.com/funds/948046-deutsche-bank-ag/) | $3.9K | 0 | 0.0% | 19 |
| [Man Group plc](https://holderbook.com/funds/1637460-man-group-plc/) | $2.8K | 88,824 | 0.0% | 16 |
| [HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND](https://holderbook.com/funds/1535845-healthcare-of-ontario-pension-plan-trust-fund/) | $2.7K | 87,500 | 0.0% | 19 |
| [Alpine Global Management, LLC](https://holderbook.com/funds/1581655-alpine-global-management-llc/) | $1.0K | 25,024 | 0.0% | 19 |
| [TENOR CAPITAL MANAGEMENT Co., L.P.](https://holderbook.com/funds/1346554-tenor-capital-management-co-l-p/) | $1.0K | 25,000 | 0.0% | 19 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $702 | 17,115 | 0.0% | 1 |
| [MILLENNIUM MANAGEMENT LLC](https://holderbook.com/funds/1273087-millennium-management-llc/) | $510 | 0 | 0.0% | 19 |
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $246 | 6,028 | 0.0% | 4 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 16 | $3.1M |
| Q1 2026 | 15 | $2.2M |
| Q4 2025 | 14 | $3.1M |
| Q3 2025 | 15 | $2.3M |
| Q2 2025 | 13 | $201.7K |
| Q1 2025 | 13 | $98.6K |
| Q4 2024 | 16 | $20.4K |
| Q3 2024 | 18 | $87.0K |
| Q2 2024 | 18 | $111.7K |
| Q1 2024 | 17 | $857.5K |
| Q4 2023 | 18 | $827.3K |
| Q3 2023 | 17 | $423.6K |

