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BOLD

Boundless Bio
BOLD

36 hedge funds and large institutions have $9.33M invested in Boundless Bio in 2026 Q1 according to their latest regulatory filings, with 7 funds opening new positions, 6 increasing their positions, 10 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed

17% more first-time investments, than exits

New positions opened: 7 | Existing positions closed: 6

0% more funds holding

Funds holding: 36 → 36 (0)

1.35% less ownership

Funds ownership: 39.23% → 37.87% (-1.4%)

11% less capital invested

Capital invested by funds: $10.5M → $9.33M (-$1.2M)

40% less repeat investments, than reductions

Existing positions increased: 6 | Existing positions reduced: 10

Holders
36
Holders Change
–
Holders Change %
0%
% of All Funds
0.44%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
7
Increased
6
Reduced
10
Closed
6
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Renaissance Technologies
Renaissance Technologies
New York
+$67.4K
2
GCP
GSA Capital Partners
United Kingdom
+$40.2K
3
Geode Capital Management
Geode Capital Management
Massachusetts
+$39.2K
4
Squarepoint
Squarepoint
New York
+$19.1K
5
Fidelity Investments
Fidelity Investments
Massachusetts
+$13.4K

Top Sellers

Rank Fund Capital Flow
1
Northern Trust
Northern Trust
Illinois
-$227K
2
SCM
Stonepine Capital Management
Oregon
-$131K
3
LCM
Landscape Capital Management
New Jersey
-$48.9K
4
Millennium Management
Millennium Management
New York
-$41.6K
5
Citigroup
Citigroup
New York
-$19K
Name Holding Trade Value Shares
Change 		Change in
Stake
PFA
26
Pure Financial Advisors
California
$11.1K +$11.8K +10,100 New
Citigroup
27
Citigroup
New York
$9.72K -$19K -16,236 -65%
TRCT
28
Tower Research Capital (TRC)
New York
$2.61K -$4.01K -3,432 -59%
VGA
29
Vanguard Global Advisers
Pennsylvania
$472 +$502 +429 New
BNP Paribas Financial Markets
30
BNP Paribas Financial Markets
France
$196 +$2 +2 +1%
Optiver Holding
31
Optiver Holding
Netherlands
$185 – – –
JP Morgan Chase
32
JP Morgan Chase
New York
$183 – – –
Carson Wealth (CWM LLC)
33
Carson Wealth (CWM LLC)
Nebraska
$9 -$1 -1 -11%
CIAM
34
Caitong International Asset Management
Hong Kong
$3 +$4 +3 New
UBS Group
35
UBS Group
Switzerland
$2 -$25 -21 -91%
SS
36
SBI Securities
Japan
$1 +$1 +1 New
Northern Trust
37
Northern Trust
Illinois
– -$227K -189,475 Closed
Jane Street
38
Jane Street
New York
– -$16K -13,323 Closed
AHL
39
Abel Hall LLC
Louisiana
– -$15.4K -12,865 Closed
NWM
40
Nolet Wealth Management
Texas
– -$13.6K -11,323 Closed
Bank of America
41
Bank of America
North Carolina
– -$9.31K -7,758 Closed
Barclays
42
Barclays
United Kingdom
– -$2 -2 Closed
1
2

BOLD Hedge Fund Activity: Q1 2026 in Review

36 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Boundless Bio (BOLD) for Q1 2026, worth a combined $9.33M — down 11% from $10.5M a quarter earlier.

Buyers outnumbered sellers: 7 funds opened new BOLD positions and 6 closed out — a net gain of 1 holder — while 6 added to existing stakes and 10 trimmed.

The largest buyer was Renaissance Technologies, adding an estimated $67.4K. The largest seller was Northern Trust, exiting entirely with an estimated $227K sold.

  • 36 institutional investors held Boundless Bio (BOLD) as of Q1 2026, unchanged from Q4 2025.
  • Funds reported $9.33M of Boundless Bio stock for Q1 2026, down 11% quarter-over-quarter.
  • 7 funds opened new Boundless Bio positions in Q1 2026 and 6 closed out, a net change of +1 holder.
  • The largest Boundless Bio buyer in Q1 2026 was Renaissance Technologies, an estimated $67.4K added.
  • The largest Boundless Bio seller in Q1 2026 was Northern Trust, an estimated $227K sold.

Based on aggregated 13F filings for Q1 2026.