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The Oncology Institute
TOI

Overview Fund Activity

78 hedge funds and large institutions have $60.1M invested in The Oncology Institute in 2025 Q2 according to their latest regulatory filings, with 42 funds opening new positions, 22 increasing their positions, 5 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
78
Holders Change
+36
Holders Change %
+85.71%
% of All Funds
1.05%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
42
Increased
22
Reduced
5
Closed
6
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
BlackRock
BlackRock
New York
+$6.24M
2
Vanguard Group
Vanguard Group
Pennsylvania
+$5.19M
3
Marshall Wace
Marshall Wace
United Kingdom
+$3.03M
4
WC
Wexford Capital
Florida
+$2.29M
5
Geode Capital Management
Geode Capital Management
Massachusetts
+$1.83M

Top Sellers

1
JAIC
Josh Arnold Investment Consultant
Minnesota
-$3.48M
2
CI
Cincinnati Insurance
Ohio
-$1.41M
3
FL
FreeGulliver LLC
Louisiana
-$411K
4
MHP
Manatuck Hill Partners
Connecticut
-$205K
5
QFA
Quattro Financial Advisors
Texas
-$186K
Name Holding Trade Value Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$8.78M +$5.19M +2,530,173 +145%
TAS
2
TIFF Advisory Services
Pennsylvania
$7.45M +$1.34M +655,324 +22%
DM
3
Deerfield Management
New York
$6.89M – – –
BlackRock
4
BlackRock
New York
$6.78M +$6.24M +3,044,554 +1,160%
Balyasny Asset Management
5
Balyasny Asset Management
Illinois
$5.16M +$761K +371,005 +17%
Marshall Wace
6
Marshall Wace
United Kingdom
$3.03M +$3.03M +1,476,946 New
Geode Capital Management
7
Geode Capital Management
Massachusetts
$2.62M +$1.83M +893,696 +232%
WC
8
Wexford Capital
Florida
$2.29M +$2.29M +1,118,679 New
CP
9
CenterBook Partners
Connecticut
$1.47M +$1.47M +715,899 New
State Street
10
State Street
Massachusetts
$1.32M +$1.12M +544,957 +538%
Renaissance Technologies
11
Renaissance Technologies
New York
$938K +$430K +209,900 +85%
UBS Group
12
UBS Group
Switzerland
$862K +$841K +410,296 +4,072%
Northern Trust
13
Northern Trust
Illinois
$843K +$685K +334,364 +434%
Millennium Management
14
Millennium Management
New York
$830K +$830K +405,009 New
MCM
15
Massar Capital Management
Connecticut
$820K +$615K +300,000 +300%
FCM
16
FourWorld Capital Management
New York
$803K +$276K +134,650 +52%
FL
17
FreeGulliver LLC
Louisiana
$705K -$411K -200,561 -37%
JAIC
18
Josh Arnold Investment Consultant
Minnesota
$597K -$3.48M -1,697,750 -85%
Two Sigma Investments
19
Two Sigma Investments
New York
$570K +$570K +278,165 New
MHP
20
Manatuck Hill Partners
Connecticut
$512K -$205K -100,200 -29%
Bank of New York Mellon
21
Bank of New York Mellon
New York
$510K +$253K +123,505 +99%
PCM
22
Portolan Capital Management
Massachusetts
$454K +$454K +221,512 New
EI
23
EAM Investors
California
$401K +$401K +195,837 New
Morgan Stanley
24
Morgan Stanley
New York
$360K +$297K +144,885 +475%
Goldman Sachs
25
Goldman Sachs
New York
$317K +$81K +39,492 +34%
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