Nanobiotix S.A. (NBTX) Institutional Ownership

Institutions by Trading Activity

55,739,881Shares Outstanding

0Shares held by institutions

$0Value of institutional holdings

0.00%Institutional ownership %

0.00%Shares Changed QoQ

1No. of institutional investors

According to SEC filings for the period ending December 2025, Nanobiotix S.A. (NASDAQ:NBTX) is held by 1 institutional firms.

The percentage of Nanobiotix owned by institutions changed from 10.1% in September 2025 to 0.0% in December 2025, marking a slight down trend.
Institutional share ownership changed by nan% QoQ, while the number of institutional owners saw a decrease of 94.74% YoY.
Among the 1 institutional holders of Nanobiotix, 1 added to their stakes while 0 trimmed their positions and 0 held steady.
The total number of shares held by institutions in Nanobiotix increased to 229 as of December 2025, a net change of up by 229 shares quarter on quarter, and down 6.07Mn shares year over year.
GAMMA Investing LLC's holding of 229 shares as of December 31, 2025 makes it the primary institutional investor in Nanobiotix, owning 0.00% of the stock.
Among the most significant buyers of Nanobiotix during December 2025 were GAMMA Investing LLC (229).
The top 1 institutional holders of Nanobiotix for the quarter ending December 2025 included GAMMA Investing LLC (229).

0 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
JOHNSON & JOHNSON	30 Sep, 2025	5,623,816	0	0.00%	$106,233,884.00
GEODE CAPITAL MANAGEMENT, LLC	30 Sep, 2025	10,184	0	0.00%	$192,375.00
Optiver Holding B.V.	30 Sep, 2025	5,356	5,356	0.00%	$101,175.00
MORGAN STANLEY	30 Sep, 2025	2,378	-2,922	-55.13%	$44,920.00
UBS Group AG	30 Sep, 2025	2,161	-2,257	-51.09%	$40,821.00
EverSource Wealth Advisors, LLC	30 Sep, 2025	514	-3	-0.58%	$9,709.00
BNP PARIBAS FINANCIAL MARKETS	30 Sep, 2025	400	-361	-47.44%	$7,556.00
ROYAL BANK OF CANADA	30 Sep, 2025	125	0	0.00%	$2,000.00
RHUMBLINE ADVISERS	30 Sep, 2025	33	0	0.00%	$623.00
NATIONAL BANK OF CANADA /FI/	30 Sep, 2025	13	0	0.00%	$245.00
BARCLAYS PLC	30 Sep, 2025	4	0	0.00%	$76.00