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BOLD

Boundless Bio
BOLD

54 hedge funds and large institutions have $419M invested in Boundless Bio in 2025 Q1 according to their latest regulatory filings, with 7 funds opening new positions, 13 increasing their positions, 15 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,015% more capital invested

Capital invested by funds: $37.6M → $419M (+$381M)

17.98% more ownership

Funds ownership: 58.13% → 76.11% (+18%)

2% less funds holding

Funds holding: 55 → 54 (-1)

13% less first-time investments, than exits

New positions opened: 7 | Existing positions closed: 8

13% less repeat investments, than reductions

Existing positions increased: 13 | Existing positions reduced: 15

Holders
54
Holders Change
-1
Holders Change %
-1.82%
% of All Funds
0.72%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
7
Increased
13
Reduced
15
Closed
8
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
N
Nuveen
North Carolina
+$8.16M
2
Vanguard Group
Vanguard Group
Pennsylvania
+$524K
3
Northern Trust
Northern Trust
Illinois
+$451K
4
AC
Almitas Capital
California
+$87.8K
5
Citadel Advisors
Citadel Advisors
Florida
+$83.5K

Top Sellers

Rank Fund Capital Flow
1
UOC
UBS O'Connor
Illinois
-$406K
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$388K
3
BCM
Bridgeway Capital Management
Texas
-$145K
4
JP Morgan Chase
JP Morgan Chase
New York
-$124K
5
Squarepoint
Squarepoint
New York
-$93.3K
Name Holding Trade Value Shares
Change 		Change in
Stake
N
1
Nuveen
North Carolina
$399M +$8.16M +3,936,890 +18,292%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$4.77M -$388K -187,234 -6%
RCM
3
RA Capital Management
Massachusetts
$3.29M – – –
NI
4
Nextech Invest
Switzerland
$1.85M – – –
Citadel Advisors
5
Citadel Advisors
Florida
$1.25M +$83.5K +40,297 +5%
RG
6
Redmile Group
California
$1.1M -$31.1K -15,000 -2%
SAM
7
Sectoral Asset Management
Quebec, Canada
$1.02M – – –
BlackRock
8
BlackRock
New York
$949K -$43.5K -20,974 -3%
Vanguard Group
9
Vanguard Group
Pennsylvania
$886K +$524K +252,575 +76%
Wellington Management Group
10
Wellington Management Group
Massachusetts
$840K – – –
Northern Trust
11
Northern Trust
Illinois
$476K +$451K +217,353 +222%
Alyeska Investment Group
12
Alyeska Investment Group
Illinois
$453K – – –
BCM
13
Boxer Capital Management
California
$378K – – –
Geode Capital Management
14
Geode Capital Management
Massachusetts
$373K +$23.4K +11,284 +5%
PHS
15
PFM Health Sciences
California
$363K – – –
AC
16
Almitas Capital
California
$354K +$87.8K +42,371 +22%
Ensign Peak Advisors
17
Ensign Peak Advisors
Utah
$283K – – –
SCM
18
Sio Capital Management
New York
$245K – – –
State Street
19
State Street
Massachusetts
$72.8K +$8.52K +4,109 +9%
Charles Schwab
20
Charles Schwab
California
$61.1K – – –
Walleye Capital
21
Walleye Capital
New York
$59.8K – – –
Morgan Stanley
22
Morgan Stanley
New York
$54.5K -$26K -12,550 -26%
Goldman Sachs
23
Goldman Sachs
New York
$52K -$29.5K -14,245 -29%
XT
24
XTX Topco
Cayman Islands
$39.1K +$53.7K +25,917 New
Susquehanna International Group
25
Susquehanna International Group
Pennsylvania
$35.1K +$48.2K +23,243 New
1
2 3

BOLD Hedge Fund Activity: Q1 2025 in Review

54 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Boundless Bio (BOLD) for Q1 2025, worth a combined $419M — up 1,015% from $37.6M a quarter earlier.

Sellers outnumbered buyers: 8 funds closed out of BOLD and 7 opened new positions — a net loss of 1 holder — while 15 trimmed existing stakes and 13 added.

The largest buyer was Nuveen, adding an estimated $8.16M. The largest seller was UBS O'Connor, exiting entirely with an estimated $406K sold.

  • 54 institutional investors held Boundless Bio (BOLD) as of Q1 2025, down from 55 in Q4 2024.
  • Funds reported $419M of Boundless Bio stock for Q1 2025, up 1,015% quarter-over-quarter.
  • 7 funds opened new Boundless Bio positions in Q1 2025 and 8 closed out, a net change of -1 holder.
  • The largest Boundless Bio buyer in Q1 2025 was Nuveen, an estimated $8.16M added.
  • The largest Boundless Bio seller in Q1 2025 was UBS O'Connor, an estimated $406K sold.

Based on aggregated 13F filings for Q1 2025.