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The Oncology Institute

115 hedge funds and large institutions have $119M invested in The Oncology Institute in 2026 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 51 increasing their positions, 27 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,368% more call options, than puts

Call options by funds: $9.35M | Put options by funds: $637K

89% more repeat investments, than reductions

Existing positions increased: 51 | Existing positions reduced: 27

0.1% more ownership

Funds ownership: 39.12%39.22% (+0.1%)

0% more funds holding in top 10

Funds holding in top 10: 44 (0)

4% less first-time investments, than exits

New positions opened: 25 | Existing positions closed: 26

2% less funds holding

Funds holding: 117115 (-2)

13% less capital invested

Capital invested by funds: $137M → $119M (-$18.2M)

Holders
115
Holders Change
-2
Holders Change %
-1.71%
% of All Funds
1.42%
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.05%
New
25
Increased
51
Reduced
27
Closed
26
Calls
$9.35M
Puts
$637K
Net Calls
+$8.72M
Net Calls Change
-$6.81M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$13.6M +$1.57M +510,534 +13%
VCM
2
Vanguard Capital Management
Pennsylvania
$10.7M +$10.7M +3,476,781 New
DM
3
Deerfield Management
New York
$10.3M
KWM
4
Kanen Wealth Management
Florida
$8.53M -$608K -198,286 -7%
JAIC
5
Josh Arnold Investment Consultant
Minnesota
$7.57M +$14K +4,550 +0.2%
Balyasny Asset Management
6
Balyasny Asset Management
Illinois
$5.61M -$2.12M -692,067 -27%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$5.4M +$575K +187,393 +12%
WC
8
Wexford Capital
Florida
$5.25M +$545K +177,867 +12%
CP
9
CenterBook Partners
Connecticut
$4.82M -$4.48M -1,460,889 -48%
State Street
10
State Street
Massachusetts
$4.49M +$337K +109,830 +8%
Goldman Sachs
11
Goldman Sachs
New York
$4.15M +$2.4M +781,475 +137%
BRF
12
B. Riley Financial
California
$2.85M +$817K +266,358 +40%
Renaissance Technologies
13
Renaissance Technologies
New York
$2.77M +$555K +180,909 +25%
VPM
14
Vanguard Portfolio Management
Pennsylvania
$2.65M +$2.65M +862,839 New
Ensign Peak Advisors
15
Ensign Peak Advisors
Utah
$1.92M +$1.92M +626,852 New
Citadel Advisors
16
Citadel Advisors
Florida
$1.87M +$1.87M +608,267 New
UBS Group
17
UBS Group
Switzerland
$1.76M +$880K +286,966 +100%
Northern Trust
18
Northern Trust
Illinois
$1.71M +$182K +59,211 +12%
FCM
19
FourWorld Capital Management
New York
$1.53M +$357K +116,496 +30%
VFT
20
Vanguard Fiduciary Trust
Pennsylvania
$1.48M +$1.48M +483,060 New
DIG
21
Dauntless Investment Group
New Hampshire
$1.42M +$1.42M +462,057 New
Jane Street
22
Jane Street
New York
$1.3M -$1.16M -378,421 -47%
Arrowstreet Capital
23
Arrowstreet Capital
Massachusetts
$1.29M +$809K +263,699 +169%
Marshall Wace
24
Marshall Wace
United Kingdom
$1.05M +$497K +161,965 +90%
JP Morgan Chase
25
JP Morgan Chase
New York
$1.05M -$50.9K -16,601 -4%

TOI Hedge Fund Activity: Q1 2026 in Review

115 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in The Oncology Institute (TOI) for Q1 2026, worth a combined $119M — down 13% from $137M a quarter earlier.

Sellers outnumbered buyers: 26 funds closed out of TOI and 25 opened new positions — a net loss of 1 holder — while 27 trimmed existing stakes and 51 added.

The largest buyer was Goldman Sachs, adding an estimated $2.4M. The largest seller was CenterBook Partners, cutting an estimated $4.48M.

  • 115 institutional investors held The Oncology Institute (TOI) as of Q1 2026, down from 117 in Q4 2025.
  • Funds reported $119M of The Oncology Institute stock for Q1 2026, down 13% quarter-over-quarter.
  • 25 funds opened new The Oncology Institute positions in Q1 2026 and 26 closed out, a net change of -1 holder.
  • The largest The Oncology Institute buyer in Q1 2026 was Goldman Sachs, an estimated $2.4M added.
  • The largest The Oncology Institute seller in Q1 2026 was CenterBook Partners, an estimated $4.48M sold.

Based on aggregated 13F filings for Q1 2026.