Nanobiotix
NBTX
19 hedge funds and large institutions have $218M invested in Nanobiotix in 2026 Q2 according to their latest regulatory filings, with 7 funds opening new positions, 6 increasing their positions, 2 reducing their positions, and 3 closing their positions.
200% more repeat investments, than reductions
Existing positions increased: 6 | Existing positions reduced: 2
133% more first-time investments, than exits
New positions opened: 7 | Existing positions closed: 3
27% more funds holding
Funds holding: 15 → 19 (+4)
24% more capital invested
Capital invested by funds: $176M → $218M (+$42.5M)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
0.35% less ownership
Funds ownership: 11.76% → 11.41% (-0.35%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$1.2M |
| 2 |
HF
HRT Financial
New York
|
+$1.02M |
| 3 |
XT
XTX Topco
George Town,
Cayman Islands
|
+$590K |
| 4 |
Morgan Stanley
New York
|
+$503K |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$225K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$111K |
| 2 |
RhumbLine Advisers
Boston,
Massachusetts
|
-$29K |
| 3 |
EWA
EverSource Wealth Advisors
Birmingham,
Alabama
|
-$15.9K |
| 4 |
Citigroup
New York
|
-$31 |
| 5 |
TRCT
Tower Research Capital (TRC)
New York
|
-$31 |
NBTX Hedge Fund Activity: Q2 2026 in Review
19 of the 8,332 institutional investors tracked by Wall St. Rank reported a position in Nanobiotix (NBTX) for Q2 2026, worth a combined $218M — up 24% from $176M a quarter earlier.
Buyers outnumbered sellers: 7 funds opened new NBTX positions and 3 closed out — a net gain of 4 holders — while 6 added to existing stakes and 2 trimmed.
The largest buyer was Jane Street, opening a new position worth an estimated $1.2M. The largest seller was UBS Group, cutting an estimated $111K.
- 19 institutional investors held Nanobiotix (NBTX) as of Q2 2026, up from 15 in Q1 2026.
- Funds reported $218M of Nanobiotix stock for Q2 2026, up 24% quarter-over-quarter.
- 7 funds opened new Nanobiotix positions in Q2 2026 and 3 closed out, a net change of +4 holders.
- The largest Nanobiotix buyer in Q2 2026 was Jane Street, an estimated $1.2M added.
- The largest Nanobiotix seller in Q2 2026 was UBS Group, an estimated $111K sold.
Based on aggregated 13F filings for Q2 2026.