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Boundless Bio
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Overview Fund Activity

43 hedge funds and large institutions have $9.85M invested in Boundless Bio in 2025 Q2 according to their latest regulatory filings, with 11 funds opening new positions, 6 increasing their positions, 19 reducing their positions, and 21 closing their positions.

Holders
43
Holders Change
-11
Holders Change %
-20.37%
% of All Funds
0.58%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
11
Increased
6
Reduced
19
Closed
21
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$216K
2
RC
2
RBF Capital
California
$202K
3
Renaissance Technologies
3
Renaissance Technologies
New York
$122K
4
SCM
4
Stonepine Capital Management
Oregon
$107K
5
YIH
5
Y-Intercept (HK)
Hong Kong
$55.8K

Top Sellers

1
NL
1
Nuveen LLC
North Carolina
$0
2
RCM
2
RA Capital Management
Massachusetts
$0
3
BlackRock
3
BlackRock
New York
$64.9K
4
BCM
4
Boxer Capital Management
California
$0
5
PHS
5
PFM Health Sciences
California
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$3.16M 3,125,103 -32,669 -1%
NI
2
Nextech Invest
Switzerland
$1.24M 1,228,069 – –
Citadel Advisors
3
Citadel Advisors
Florida
$839K 830,936 – –
SAM
4
Sectoral Asset Management
Quebec, Canada
$685K 678,574 – –
RG
5
Redmile Group
California
$595K 589,034 -136,170 -19%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$562K 556,233 – –
Vanguard Group
7
Vanguard Group
Pennsylvania
$486K 481,267 -105,173 -18%
Alyeska Investment Group
8
Alyeska Investment Group
Illinois
$303K 300,000 – –
AC
9
Almitas Capital
California
$238K 235,505 +1,127 +0.5%
Millennium Management
10
Millennium Management
New York
$216K 213,561 +213,561 New
Northern Trust
11
Northern Trust
Illinois
$210K 207,500 -107,865 -34%
RC
12
RBF Capital
California
$202K 200,000 +200,000 New
Ensign Peak Advisors
13
Ensign Peak Advisors
Utah
$189K 187,500 – –
SCM
14
Sio Capital Management
New York
$165K 163,679 +1,621 +1%
Renaissance Technologies
15
Renaissance Technologies
New York
$122K 121,000 +106,600 +740%
SCM
16
Stonepine Capital Management
Oregon
$107K 106,175 +106,175 New
Goldman Sachs
17
Goldman Sachs
New York
$71K 70,304 +35,877 +104%
BlackRock
18
BlackRock
New York
$64.9K 64,258 -563,939 -90%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$59.5K 58,903 -188,240 -76%
YIH
20
Y-Intercept (HK)
Hong Kong
$55.8K 55,242 +55,242 New
BCM
21
Bridgeway Capital Management
Texas
$51K 50,500 +50,500 New
XT
22
XTX Topco
Cayman Islands
$40.5K 40,064 +14,147 +55%
Walleye Capital
23
Walleye Capital
New York
$40K 39,624 – –
HF
24
HRT Financial
New York
$27K 27,509 +27,509 New
Qube Research & Technologies (QRT)
25
Qube Research & Technologies (QRT)
United Kingdom
$21.8K 21,542 +21,542 New
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