Question 1

Who owns NBTX?

Accepted Answer

NANOBIOTIX (NBTX) is held by 11 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is MORGAN STANLEY as of Q1 2026.

Question 2

Are institutions buying or selling NBTX?

Accepted Answer

In Q1 2026, 3 institutions opened or increased positions in NANOBIOTIX while 6 reduced or exited — a net selling quarter.

Question 3

What is the Smart Money Verdict on NBTX?

Accepted Answer

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for NANOBIOTIX.

Question 4

How many hedge funds hold NBTX?

Accepted Answer

11 institutional investors report holding NANOBIOTIX (NBTX) as of Q1 2026, based on SEC 13F filings.

Question 5

Is institutional money flowing into NBTX?

Accepted Answer

As of Q1 2026, tracked institutions in NANOBIOTIX show 3 buyers versus 6 sellers — net outflows.

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
MORGAN STANLEY	Increased	36,274(+58.2%)	$1.1M	0.0%	+68.85%	36
Optiver Holding B.V.	Decreased	13,501(-16.8%)	$416,776	0.0%	+95.80%	0
MWMARSHALL WACE, LLP	Decreased	9,239(-2.8%)	$285,207	0.0%	+84.91%	0
UBS Group AG	Increased	5,557(+263.2%)	$171,545	0.0%	+64.69%	25
BNP PARIBAS FINANCIAL MARKETS	Decreased	3,559(-1.1%)	$109,866	0.0%	+103.64%	0
RHUMBLINE ADVISERS	Decreased	2,281(-2.6%)	$70,409	0.0%	+86.48%	0
ROYAL BANK OF CANADA	Decreased	1,825(-30.5%)	$56,000	0.0%	+92.81%	0
OSAIC HOLDINGS, INC.	Unchanged	500	$15,435	0.0%	+84.91%	0
WELLS FARGO & COMPANY/MN	Unchanged	200	$6,174	0.0%	+84.91%	0
NATIONAL BANK OF CANADA /FI/	Unchanged	13	$394	0.0%	+784.55%	0
CITIGROUP INC	New	1	$31	0.0%	+31.03%	17
MILLENNIUM MANAGEMENT LLC	Exited	0(-100.0%)	$390,011	0.0%	+41.12%	0

NANOBIOTIX

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