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BOLD

Boundless Bio
BOLD

35 hedge funds and large institutions have $11.8M invested in Boundless Bio in 2025 Q3 according to their latest regulatory filings, with 1 funds opening new positions, 7 increasing their positions, 15 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed

20% more capital invested

Capital invested by funds: $9.88M → $11.8M (+$1.95M)

0.74% less ownership

Funds ownership: 43.72% → 42.98% (-0.74%)

20% less funds holding

Funds holding: 44 → 35 (-9)

53% less repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 15

90% less first-time investments, than exits

New positions opened: 1 | Existing positions closed: 10

Holders
35
Holders Change
-9
Holders Change %
-20.45%
% of All Funds
0.46%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
1
Increased
7
Reduced
15
Closed
10
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
SCM
Stonepine Capital Management
Oregon
+$355K
2
Renaissance Technologies
Renaissance Technologies
New York
+$118K
3
Vanguard Group
Vanguard Group
Pennsylvania
+$102K
4
Citadel Advisors
Citadel Advisors
Florida
+$52.5K
5
Geode Capital Management
Geode Capital Management
Massachusetts
+$50.1K

Top Sellers

Rank Fund Capital Flow
1
RG
Redmile Group
California
-$397K
2
AC
Almitas Capital
California
-$172K
3
Goldman Sachs
Goldman Sachs
New York
-$64.6K
4
Millennium Management
Millennium Management
New York
-$57.1K
5
YIH
Y-Intercept (HK)
Hong Kong
-$55.8K
Name Holding Trade Value Shares
Change 		Change in
Stake
Goldman Sachs
26
Goldman Sachs
New York
$17.6K -$64.6K -56,005 -80%
Acadian Asset Management
27
Acadian Asset Management
Massachusetts
$16K – – –
AHL
28
Abel Hall LLC
Louisiana
$15.9K -$1.7K -1,474 -10%
Bank of America
29
Bank of America
North Carolina
$9.52K -$42 -36 -0.5%
TRCT
30
Tower Research Capital (TRC)
New York
$3.19K -$4.01K -3,479 -57%
BNP Paribas Financial Markets
31
BNP Paribas Financial Markets
France
$429 -$1.87K -1,621 -82%
Optiver Holding
32
Optiver Holding
Netherlands
$207 +$194 +168 New
Barclays
33
Barclays
United Kingdom
$2 – – –
UBS Group
34
UBS Group
Switzerland
$1 -$14 -12 -92%
YIH
35
Y-Intercept (HK)
Hong Kong
– -$55.8K -55,242 Closed
Susquehanna International Group
36
Susquehanna International Group
Pennsylvania
– -$32.5K -32,211 Closed
HF
37
HRT Financial
New York
– -$27K -27,509 Closed
Wells Fargo
38
Wells Fargo
California
– -$2.61K -2,582 Closed
Citigroup
39
Citigroup
New York
– -$2.58K -2,551 Closed
JP Morgan Chase
40
JP Morgan Chase
New York
– -$1.14K -1,127 Closed
Raymond James Financial
41
Raymond James Financial
Florida
– -$1.01K -1,000 Closed
Carson Wealth (CWM LLC)
42
Carson Wealth (CWM LLC)
Nebraska
– -$631 -547 -97%
CA
43
Clearstead Advisors
Ohio
– -$25 -24 Closed
EWA
44
EverSource Wealth Advisors
Alabama
– -$2 -2 Closed
1
2

BOLD Hedge Fund Activity: Q3 2025 in Review

35 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Boundless Bio (BOLD) for Q3 2025, worth a combined $11.8M — up 20% from $9.88M a quarter earlier.

Sellers outnumbered buyers: 10 funds closed out of BOLD and 1 opened new positions — a net loss of 9 holders — while 15 trimmed existing stakes and 7 added.

The largest buyer was Stonepine Capital Management, adding an estimated $355K. The largest seller was Redmile Group, cutting an estimated $397K.

  • 35 institutional investors held Boundless Bio (BOLD) as of Q3 2025, down from 44 in Q2 2025.
  • Funds reported $11.8M of Boundless Bio stock for Q3 2025, up 20% quarter-over-quarter.
  • 1 fund opened new Boundless Bio positions in Q3 2025 and 10 closed out, a net change of -9 holders.
  • The largest Boundless Bio buyer in Q3 2025 was Stonepine Capital Management, an estimated $355K added.
  • The largest Boundless Bio seller in Q3 2025 was Redmile Group, an estimated $397K sold.

Based on aggregated 13F filings for Q3 2025.