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NBTX

Nanobiotix
NBTX

11 hedge funds and large institutions have $107M invested in Nanobiotix in 2025 Q3 according to their latest regulatory filings, with 1 funds opening new positions, 0 increasing their positions, 4 reducing their positions, and 0 closing their positions.

New
Increased
Maintained
Reduced
Closed

317% more capital invested

Capital invested by funds: $25.6M → $107M (+$81.1M)

10% more funds holding

Funds holding: 10 → 11 (+1)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

0.2% less ownership

Funds ownership: 11.91% → 11.71% (-0.2%)

100% less repeat investments, than reductions

Existing positions increased: 0 | Existing positions reduced: 4

Holders
11
Holders Change
+1
Holders Change %
+10%
% of All Funds
0.14%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
1
Increased
–
Reduced
4
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Optiver Holding
Optiver Holding
Netherlands
+$45.6K

Top Sellers

Rank Fund Capital Flow
1
Morgan Stanley
Morgan Stanley
New York
-$24.9K
2
UBS Group
UBS Group
Switzerland
-$19.2K
3
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
-$3.07K
4
EWA
EverSource Wealth Advisors
Alabama
-$26

NBTX Hedge Fund Activity: Q3 2025 in Review

11 of the 7,645 institutional investors tracked by Wall St. Rank reported a position in Nanobiotix (NBTX) for Q3 2025, worth a combined $107M — up 317% from $25.6M a quarter earlier.

Buyers outnumbered sellers: 1 fund opened new NBTX positions and 0 closed out — a net gain of 1 holder — while 0 added to existing stakes and 4 trimmed.

The largest buyer was Optiver Holding, opening a new position worth an estimated $45.6K. The largest seller was Morgan Stanley, cutting an estimated $24.9K.

  • 11 institutional investors held Nanobiotix (NBTX) as of Q3 2025, up from 10 in Q2 2025.
  • Funds reported $107M of Nanobiotix stock for Q3 2025, up 317% quarter-over-quarter.
  • 1 fund opened new Nanobiotix positions in Q3 2025 and 0 closed out, a net change of +1 holder.
  • The largest Nanobiotix buyer in Q3 2025 was Optiver Holding, an estimated $45.6K added.
  • The largest Nanobiotix seller in Q3 2025 was Morgan Stanley, an estimated $24.9K sold.

Based on aggregated 13F filings for Q3 2025.