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NBTX

Nanobiotix
NBTX

14 hedge funds and large institutions have $132M invested in Nanobiotix in 2025 Q4 according to their latest regulatory filings, with 5 funds opening new positions, 5 increasing their positions, 1 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

400% more repeat investments, than reductions

Existing positions increased: 5 | Existing positions reduced: 1

150% more first-time investments, than exits

New positions opened: 5 | Existing positions closed: 2

27% more funds holding

Funds holding: 11 → 14 (+3)

24% more capital invested

Capital invested by funds: $107M → $132M (+$25.2M)

0.12% more ownership

Funds ownership: 11.77% → 11.89% (+0.12%)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

Holders
14
Holders Change
+3
Holders Change %
+27.27%
% of All Funds
0.17%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
5
Increased
5
Reduced
1
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Morgan Stanley
Morgan Stanley
New York
+$449K
2
Millennium Management
Millennium Management
New York
+$369K
3
Optiver Holding
Optiver Holding
Netherlands
+$237K
4
Marshall Wace
Marshall Wace
United Kingdom
+$208K
5
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
+$69.9K

Top Sellers

Rank Fund Capital Flow
1
Geode Capital Management
Geode Capital Management
Massachusetts
-$192K
2
UBS Group
UBS Group
Switzerland
-$13.8K
3
Barclays
Barclays
United Kingdom
-$76
Name Holding Trade Value Shares
Change 		Change in
Stake
JJ
1
Johnson & Johnson
New Jersey
$130M – – –
Morgan Stanley
2
Morgan Stanley
New York
$530K +$449K +20,545 +864%
Millennium Management
3
Millennium Management
New York
$390K +$369K +16,869 New
Optiver Holding
4
Optiver Holding
Netherlands
$375K +$237K +10,869 +203%
Marshall Wace
5
Marshall Wace
United Kingdom
$220K +$208K +9,500 New
BNP Paribas Financial Markets
6
BNP Paribas Financial Markets
France
$83.2K +$69.9K +3,200 +800%
Royal Bank of Canada
7
Royal Bank of Canada
Ontario, Canada
$61K +$54.6K +2,500 +2,000%
RhumbLine Advisers
8
RhumbLine Advisers
Massachusetts
$54.1K +$50.4K +2,309 +6,997%
UBS Group
9
UBS Group
Switzerland
$35.4K -$13.8K -631 -29%
EWA
10
EverSource Wealth Advisors
Alabama
$11.9K – – –
Osaic Holdings
11
Osaic Holdings
Arizona
$11.6K +$10.9K +500 New
GI
12
GAMMA Investing
California
$5.29K +$5K +229 New
Wells Fargo
13
Wells Fargo
California
$4.62K +$4.37K +200 New
National Bank of Canada
14
National Bank of Canada
Quebec, Canada
$300 – – –
Geode Capital Management
15
Geode Capital Management
Massachusetts
– -$192K -10,184 Closed
Barclays
16
Barclays
United Kingdom
– -$76 -4 Closed

NBTX Hedge Fund Activity: Q4 2025 in Review

14 of the 8,245 institutional investors tracked by Wall St. Rank reported a position in Nanobiotix (NBTX) for Q4 2025, worth a combined $132M — up 24% from $107M a quarter earlier.

Buyers outnumbered sellers: 5 funds opened new NBTX positions and 2 closed out — a net gain of 3 holders — while 5 added to existing stakes and 1 trimmed.

The largest buyer was Morgan Stanley, adding an estimated $449K. The largest seller was Geode Capital Management, exiting entirely with an estimated $192K sold.

  • 14 institutional investors held Nanobiotix (NBTX) as of Q4 2025, up from 11 in Q3 2025.
  • Funds reported $132M of Nanobiotix stock for Q4 2025, up 24% quarter-over-quarter.
  • 5 funds opened new Nanobiotix positions in Q4 2025 and 2 closed out, a net change of +3 holders.
  • The largest Nanobiotix buyer in Q4 2025 was Morgan Stanley, an estimated $449K added.
  • The largest Nanobiotix seller in Q4 2025 was Geode Capital Management, an estimated $192K sold.

Based on aggregated 13F filings for Q4 2025.