How many institutions own NBTX stock?

A company's 13F filings with the Securities and Exchange Commission (SEC) provides investors with comprehensive information about institutional ownership in a listed company, a sign of strength in terms of how many institutions have confidence in that company. The number of institutional investors who currently own NBTX shares is 16, representing 11.75% of the company's common stock.

Who are the major shareholders selling Nanobiotix S.A. stock?

RHUMBLINE ADVISERS, in the last quarter, reduced its stake in NBTX by -2.6% restricting it's holding to 2.28 thousand shares of worth nearly $70.41K. BNP PARIBAS ARBITRAGE, SNC also lessened -1.14% of the NBTX shares from its portfolio, reducing its holding to 3.56 thousand shares of worth $109.87K. MILLENNIUM MANAGEMENT LLC also shunned NBTX shares holding by -100% last quarter which brought its holding to 0 shares worth -.

Investors who are buying NBTX stock?

As per its latest 13F filing, GAMMA INVESTING LLC increased its stake in NBTX by 261.57% in the last quarter. The institutional holder raised its holding to 828 shares having worth more than $25.56K. TOWER RESEARCH CAPITAL LLC (TRC) also added 100% more shares of NBTX to its portfolio, raising its holding to 1 shares of worth $31.00. UBS GROUP AG also increased its NBTX shares holding by 263.2% which brought its holding to 5.56 thousand shares worth $171.55K.

NBTX's major insiders: who are they?

The insider with the most stakes in NBTX is N/A , N/A at the company. Additionally, NBTX stock is highly held by N/A N/A and N/A N/A among others.

Did an insider recently sell NBTX stock?

Company executives, directors, and other insiders own N/A percent of Nanobiotix S.A.'s stock. Within the last six months, there have been 0 transaction(s) in which NBTX insiders have sold stock, totaling 0 shares. Insiders that have sold shares include .

Which insider recently purchased NBTX stock?

There have been 0 transaction(s) during the past 6-months in which Nanobiotix S.A. insiders have bought stock, totalling 0 shares

How much of NBTX does insiders own?

Around 0 Nanobiotix S.A. shares are held by insiders, which represents about N/A of NBTX stock.

Who is the insider with the largest stake?

NBTX N/A, N/A holds the largest portfolio of the company's shares. NBTX shares owned by N/A total nearly -.

Which institution holds the most shares in NBTX?

GAMMA INVESTING LLC is the largest institutional owner in NBTX which holds 828 shares worth $25.56K or 0% of the total NBTX shares outstanding followed by RHUMBLINE ADVISERS with ownership of 2.28 thousand shares representing 0% of the NBTX ownership. BNP PARIBAS ARBITRAGE, SNC is the third largest stakeholder with 3.56 thousand shares or 0.01% of the ownership worth more than $109.87K.

Is Nanobiotix S.A. stock optionable?

Stock options give the owner the ability but not the obligation to buy or sell a security at a predetermined price and date. Stock options can be classified into two types: puts and calls. A put is a bet on falling stock, and a call is a bet on rising stock. As far as the NBTX is concerned, it is a stock which is not optionable.

Is there a short position on NBTX's shares?

Number of NBTX shares short is 84.56K. Shares short is a market sentiment in which investors have sold their shares short in a given stock but have not yet covered them or closed them out.

About how many outstanding NBTX shares are there?

As of today, 50.79M shares of NBTX are outstanding.

Is there many float in NBTX stock?

Float represents the number of tradeable shares in a specific stock. By subtracting restricted and closely-held shares from a firm's total outstanding shares, we can calculate its floating stock. The term "closely-held shares" refers to shares held by employees, major shareholders, and company insiders. At present, NBTX has 31.82M shares in float.

NBTX short ratio: what is it?

Short ratio is calculated by dividing the number of short shares, short interest or bets that shareholders will sell short from the average daily volume. A higher ratio indicates longer times needed to repurchase borrowed shares (sold). The short ratio for NBTX is 0.87.

Nanobiotix SA (NBTX) insider trading activity: Get Latest News Today

Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableNo

Short Percent Of Outstanding Shares0.17

Short Percent Of Float0.23

Shares Outstanding50.79M

Shares Float31.82M

Shares Short84.56K

Short Ratio0.87

0.23%

Short % of Float

0.17%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

N/A Percentage of Shares held by All Insiders

11.75% Percentage of Shares held by All Institutions

11.75% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

About 11.75% of NBTX shares are held by financial institutions. GAMMA INVESTING LLC is the top corporate investor, holding 828 shares valued at $25.56K. A 0% stake in Nanobiotix S.A. is owned by the company. RHUMBLINE ADVISERS owns 2.28K shares valued at $70.41K, which translates its holding of 0% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2026	GAMMA INVESTING LLC	0%	828	25.56K	599	+261.57%
Mar 31, 2026	RHUMBLINE ADVISERS	0%	2.28K	70.41K	-61	-2.60%
Mar 31, 2026	BNP PARIBAS ARBITRAGE, SNC	0.01%	3.56K	109.87K	-41	-1.14%
Mar 31, 2026	MILLENNIUM MANAGEMENT LLC	0%	0	-	-16.87K	-100.00%
Mar 31, 2026	TOWER RESEARCH CAPITAL LLC (TRC)	0%	1	31	1	+100.00%
Mar 31, 2026	EVERSOURCE WEALTH ADVISORS, LLC	0%	514	15.87K	0	0
Mar 31, 2026	NATIONAL BANK OF CANADA /FI/	0%	13	394	0	0
Mar 31, 2026	ADVISOR GROUP HOLDINGS, INC.	0%	500	15.44K	0	0
Mar 31, 2026	ROYAL BANK OF CANADA	0%	1.83K	56K	-800	-30.48%
Mar 31, 2026	MARSHALL WACE, LLP	0.02%	9.24K	285.21K	-261	-2.75%
Mar 31, 2026	UBS GROUP AG	0.01%	5.56K	171.55K	4.03K	+263.20%
Mar 31, 2026	OPTIVER HOLDING B.V.	0.03%	13.5K	416.78K	-2.72K	-16.79%
Mar 31, 2026	MORGAN STANLEY	0.08%	36.27K	1.12M	13.35K	+58.24%
Mar 31, 2026	CITIGROUP INC	0%	1	31	1	+100.00%
Mar 31, 2026	WELLS FARGO & COMPANY/MN	0%	200	6.17K	0	0
Mar 31, 2026	JOHNSON & JOHNSON	11.76%	5.62M	173.61M	0	0
Dec 31, 2025	BARCLAYS PLC	0%	0	-	-4	-100.00%
Dec 31, 2025	MILLENNIUM MANAGEMENT LLC	0.04%	16.87K	390.01K	16.87K	+100.00%
Dec 31, 2025	MORGAN STANLEY	0.05%	22.92K	529.98K	20.55K	+863.96%
Dec 31, 2025	NATIONAL BANK OF CANADA /FI/	0%	13	300	0	0
Dec 31, 2025	ROYAL BANK OF CANADA	0.01%	2.63K	61K	2.5K	+2,000.00%
Dec 31, 2025	OPTIVER HOLDING B.V.	0.03%	16.23K	375.12K	10.87K	+202.93%
Dec 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	0%	0	-	-10.18K	-100.00%
Dec 31, 2025	WELLS FARGO & COMPANY/MN	0%	200	4.62K	200	+100.00%
Dec 31, 2025	ADVISOR GROUP HOLDINGS, INC.	0%	500	11.56K	500	+100.00%
Dec 31, 2025	EVERSOURCE WEALTH ADVISORS, LLC	0%	514	11.88K	0	0
Dec 31, 2025	UBS GROUP AG	0%	1.53K	35.37K	-631	-29.20%
Dec 31, 2025	MARSHALL WACE, LLP	0.02%	9.5K	219.64K	9.5K	+100.00%
Dec 31, 2025	GAMMA INVESTING LLC	0%	229	5.29K	229	+100.00%
Dec 31, 2025	RHUMBLINE ADVISERS	0%	2.34K	54.14K	2.31K	+6,996.97%
Dec 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0.01%	3.6K	83.23K	3.2K	+800.00%
Dec 31, 2025	JOHNSON & JOHNSON	11.86%	5.62M	130.02M	0	0
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.02%	10.18K	192.38K	0	0
Sep 30, 2025	NATIONAL BANK OF CANADA /FI/	0%	13	245	0	0
Sep 30, 2025	ROYAL BANK OF CANADA	0%	125	2K	0	0
Sep 30, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	400	7.56K	-361	-47.44%
Sep 30, 2025	EVERSOURCE WEALTH ADVISORS, LLC	0%	514	9.71K	-3	-0.58%
Sep 30, 2025	BARCLAYS PLC	0%	4	76	4	+100.00%
Sep 30, 2025	JOHNSON & JOHNSON	11.86%	5.62M	106.23M	0	0
Sep 30, 2025	RHUMBLINE ADVISERS	0%	33	623	0	0
Sep 30, 2025	UBS GROUP AG	0%	2.16K	40.82K	-2.26K	-51.09%
Sep 30, 2025	MORGAN STANLEY	0.01%	2.38K	44.92K	-2.92K	-55.13%
Sep 30, 2025	OPTIVER HOLDING B.V.	0.01%	5.36K	101.18K	5.36K	+100.00%
Jun 30, 2025	RHUMBLINE ADVISERS	0%	33	156	0	0
Jun 30, 2025	JOHNSON & JOHNSON	11.9%	5.62M	25.45M	0	0
Jun 30, 2025	CITIGROUP INC	0%	0	-	-241	-100.00%
Jun 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.02%	10.18K	48.17K	0	0
Jun 30, 2025	MORGAN STANLEY	0.01%	5.3K	25.07K	-800	-13.11%
Jun 30, 2025	UBS GROUP AG	0.01%	4.42K	20.9K	1.42K	+47.27%
Jun 30, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	761	3.6K	100	+15.13%
Jun 30, 2025	EVERSOURCE WEALTH ADVISORS, LLC	0%	517	2.45K	517	+100.00%
Jun 30, 2025	ROYAL BANK OF CANADA	0%	125	1K	125	+100.00%
Jun 30, 2025	NATIONAL BANK OF CANADA /FI/	0%	13	61	13	+100.00%
Jun 30, 2025	JANE STREET GROUP, LLC	0%	0	-	-11.39K	-100.00%
Jun 30, 2025	BANK OF AMERICA CORP /DE/	0%	0	-	-706	-100.00%
Jun 30, 2025	PERCEPTIVE ADVISORS LLC	0%	0	-	-105.05K	-100.00%
Mar 31, 2025	MORGAN STANLEY	0.01%	6.1K	21.84K	998	+19.56%
Mar 31, 2025	RHUMBLINE ADVISERS	0%	33	116	0	0
Mar 31, 2025	CITIGROUP INC	0%	241	853	0	0
Mar 31, 2025	BLACKROCK, INC.	0%	0	-	-51.48K	-100.00%
Mar 31, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0%	0	-	-7.92K	-100.00%
Mar 31, 2025	OLD MISSION CAPITAL LLC	0%	0	-	-48.47K	-100.00%
Mar 31, 2025	MILLENNIUM MANAGEMENT LLC	0%	0	-	-13.45K	-100.00%
Mar 31, 2025	JPMORGAN CHASE & CO	0%	0	-	-256	-100.00%
Mar 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	661	2.34K	661	+100.00%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.02%	10.18K	36.05K	0	0
Mar 31, 2025	JANE STREET GROUP, LLC	0.02%	11.39K	40.77K	-11.9K	-51.09%
Mar 31, 2025	PERCEPTIVE ADVISORS LLC	0.22%	105.05K	376.09K	-161.04K	-60.52%
Mar 31, 2025	JOHNSON & JOHNSON	11.9%	5.62M	20.13M	0	0
Mar 31, 2025	GOLDMAN SACHS GROUP INC	0%	0	-	-10.5K	-100.00%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	0%	706	2.53K	-1.71K	-70.79%
Mar 31, 2025	GAMMA INVESTING LLC	0%	0	-	-154	-100.00%
Mar 31, 2025	UBS GROUP AG	0.01%	3K	10.74K	-817	-21.40%
Mar 31, 2024	JOHNSON & JOHNSON	16.05%	5.62M	36.55M	0	0
Mar 31, 2024	CITIGROUP INC	0%	0	-	-635	-100.00%
Mar 31, 2024	ROYAL BANK OF CANADA	0%	0	-	-305	-100.00%
Mar 31, 2024	GAMMA INVESTING LLC	0%	1.15K	7.48K	975	+557.14%
Mar 31, 2024	RHUMBLINE ADVISERS	0%	33	205	0	0
Mar 31, 2024	QUBE RESEARCH & TECHNOLOGIES LTD	0%	619	3.86K	276	+80.47%
Mar 31, 2024	UBS GROUP AG	0.01%	3.1K	20.15K	0	0
Mar 31, 2024	BLACKROCK INC.	0.72%	253.45K	1.65M	34.94K	+15.99%
Mar 31, 2024	BAILLIE GIFFORD & CO	8.19%	2.87M	17.9M	0	0
Mar 31, 2024	MORGAN STANLEY	0%	2	13	-300	-99.34%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	0%	262	1.7K	121	+85.82%
Mar 31, 2024	TOWER RESEARCH CAPITAL LLC (TRC)	0%	450	2.93K	450	+100.00%
Mar 31, 2024	PERCEPTIVE ADVISORS LLC	1.58%	555.07K	3.61M	0	0
Dec 31, 2023	PERCEPTIVE ADVISORS LLC	1.59%	555.07K	4.04M	0	0
Dec 31, 2023	ARTAL GROUP S.A.	0%	0	-	-1M	-100.00%
Dec 31, 2023	RHUMBLINE ADVISERS	0%	33	240	0	0
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0%	141	1.03K	141	+100.00%
Dec 31, 2023		0%	175	1.33K	175	+100.00%
Dec 31, 2023	MORGAN STANLEY	0%	302	2.2K	-1.4K	-82.24%
Dec 31, 2023	JOHNSON & JOHNSON	16.14%	5.62M	40.94M	4.66M	+486.04%
Dec 31, 2023	ROYAL BANK OF CANADA	0%	305	2K	305	+100.00%
Dec 31, 2023	QUBE RESEARCH & TECHNOLOGIES LTD	0%	343	2.5K	-357	-51.00%
Dec 31, 2023	BAILLIE GIFFORD & CO	8.23%	2.87M	20.89M	932.84K	+48.18%
Dec 31, 2023	CITIGROUP INC	0%	635	4.62K	635	+100.00%
Dec 31, 2023	UBS GROUP AG	0.01%	3.1K	22.57K	-706	-18.55%
Dec 31, 2023	BLACKROCK INC.	0.63%	218.52K	1.59M	218.52K	+100.00%

NBTX Stock Ownership Breakdown

Nanobiotix SA

Stock Outstanding Shares

Market Insider

Institutional Ownership

Frequently Asked Questions

Stock Outstanding Shares

Market Insider

Institutional Ownership

Frequently Asked Questions