The Oncology Institute
TOI
79 hedge funds and large institutions have $65.5M invested in The Oncology Institute in 2025 Q2 according to their latest regulatory filings, with 42 funds opening new positions, 24 increasing their positions, 4 reducing their positions, and 6 closing their positions.
600% more first-time investments, than exits
New positions opened: 42 | Existing positions closed: 6
500% more repeat investments, than reductions
Existing positions increased: 24 | Existing positions reduced: 4
237% more capital invested
Capital invested by funds: $19.4M → $65.5M (+$46M)
84% more funds holding
Funds holding: 43 → 79 (+36)
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
12.24% more ownership
Funds ownership: 22.51% → 34.75% (+12%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$7.61M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
+$6.33M |
| 3 |
Marshall Wace
London,
United Kingdom
|
+$3.69M |
| 4 |
WC
Wexford Capital
West Palm Beach,
Florida
|
+$2.8M |
| 5 |
Geode Capital Management
Boston,
Massachusetts
|
+$2.23M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CI
Cincinnati Insurance
Fairfield,
Ohio
|
-$1.41M |
| 2 |
FL
FreeGulliver LLC
New Orleans,
Louisiana
|
-$501K |
| 3 |
MHP
Manatuck Hill Partners
Westport,
Connecticut
|
-$251K |
| 4 |
QFA
Quattro Financial Advisors
The Woodlands,
Texas
|
-$186K |
| 5 |
GCP
GSA Capital Partners
London,
United Kingdom
|
-$33K |
TOI Hedge Fund Activity: Q2 2025 in Review
79 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in The Oncology Institute (TOI) for Q2 2025, worth a combined $65.5M — up 237% from $19.4M a quarter earlier.
Buyers outnumbered sellers: 42 funds opened new TOI positions and 6 closed out — a net gain of 36 holders — while 24 added to existing stakes and 4 trimmed.
The largest buyer was BlackRock, adding an estimated $7.61M. The largest seller was Cincinnati Insurance, exiting entirely with an estimated $1.41M sold.
- 79 institutional investors held The Oncology Institute (TOI) as of Q2 2025, up from 43 in Q1 2025.
- Funds reported $65.5M of The Oncology Institute stock for Q2 2025, up 237% quarter-over-quarter.
- 42 funds opened new The Oncology Institute positions in Q2 2025 and 6 closed out, a net change of +36 holders.
- The largest The Oncology Institute buyer in Q2 2025 was BlackRock, an estimated $7.61M added.
- The largest The Oncology Institute seller in Q2 2025 was Cincinnati Insurance, an estimated $1.41M sold.
Based on aggregated 13F filings for Q2 2025.