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BOLD

Boundless Bio
BOLD

44 hedge funds and large institutions have $9.88M invested in Boundless Bio in 2025 Q2 according to their latest regulatory filings, with 11 funds opening new positions, 7 increasing their positions, 19 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed

19% less funds holding

Funds holding: 54 → 44 (-10)

32.38% less ownership

Funds ownership: 76.11% → 43.72% (-32%)

48% less first-time investments, than exits

New positions opened: 11 | Existing positions closed: 21

63% less repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 19

98% less capital invested

Capital invested by funds: $419M → $9.88M (-$409M)

Holders
44
Holders Change
-10
Holders Change %
-18.52%
% 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
7
Reduced
19
Closed
21
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
+$284K
2
RC
RBF Capital
California
+$266K
3
Renaissance Technologies
Renaissance Technologies
New York
+$142K
4
SCM
Stonepine Capital Management
Oregon
+$141K
5
YIH
Y-Intercept (HK)
Hong Kong
+$73.4K

Top Sellers

Rank Fund Capital Flow
1
N
Nuveen
North Carolina
-$399M
2
RCM
RA Capital Management
Massachusetts
-$3.29M
3
BlackRock
BlackRock
New York
-$749K
4
BCM
Boxer Capital Management
California
-$378K
5
PHS
PFM Health Sciences
California
-$363K
Name Holding Trade Value Shares
Change 		Change in
Stake
Bank of New York Mellon
51
Bank of New York Mellon
New York
– -$23.2K -15,360 Closed
OSAM
52
O'Shaughnessy Asset Management
Connecticut
– -$18.5K -12,272 Closed
RhumbLine Advisers
53
RhumbLine Advisers
Massachusetts
– -$18.5K -12,231 Closed
IIM
54
INTECH Investment Management
Florida
– -$17.8K -11,809 Closed
Mirae Asset Global ETFs Holdings
55
Mirae Asset Global ETFs Holdings
Hong Kong
– -$14.2K -9,398 Closed
CF
56
Corebridge Financial
Texas
– -$12.5K -8,257 Closed
Legal & General Group
57
Legal & General Group
United Kingdom
– -$2.22K -1,449 Closed
California State Teachers Retirement System (CalSTRS)
58
California State Teachers Retirement System (CalSTRS)
California
– -$1.98K -1,309 Closed
Royal Bank of Canada
59
Royal Bank of Canada
Ontario, Canada
– -$1.02K -765 -89%
AIP
60
Ameritas Investment Partners
Nebraska
– -$933 -618 Closed
Russell Investments Group
61
Russell Investments Group
United Kingdom
– -$400 -265 Closed
Nisa Investment Advisors
62
Nisa Investment Advisors
Missouri
– -$314 -208 Closed
SCM
63
Sterling Capital Management
North Carolina
– -$180 -119 Closed
TWD
64
True Wealth Design
Ohio
– -$8 -5 Closed
1 2
3

BOLD Hedge Fund Activity: Q2 2025 in Review

44 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Boundless Bio (BOLD) for Q2 2025, worth a combined $9.88M — down 98% from $419M a quarter earlier.

Sellers outnumbered buyers: 21 funds closed out of BOLD and 11 opened new positions — a net loss of 10 holders — while 19 trimmed existing stakes and 7 added.

The largest buyer was Millennium Management, opening a new position worth an estimated $284K. The largest seller was Nuveen, exiting entirely with an estimated $399M sold.

  • 44 institutional investors held Boundless Bio (BOLD) as of Q2 2025, down from 54 in Q1 2025.
  • Funds reported $9.88M of Boundless Bio stock for Q2 2025, down 98% quarter-over-quarter.
  • 11 funds opened new Boundless Bio positions in Q2 2025 and 21 closed out, a net change of -10 holders.
  • The largest Boundless Bio buyer in Q2 2025 was Millennium Management, an estimated $284K added.
  • The largest Boundless Bio seller in Q2 2025 was Nuveen, an estimated $399M sold.

Based on aggregated 13F filings for Q2 2025.