Quantum Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

DB:QNT Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
02 Oct 25	Sell€6,671	Laura Nash	Individual	729	€9.28
02 Oct 25	Sell€27,614	Hugues Meyrath	Individual	2,975	€9.28
12 Sep 25	Sell€1,793	Laura Nash	Individual	284	€6.31
21 Apr 25	Sell€9,052	Brian Cabrera	Individual	1,078	€8.40
21 Apr 25	Sell€23,378	James Lerner	Individual	2,784	€8.40
21 Apr 25	Sell€1,503	Lewis Moorehead	Individual	179	€8.40
15 Apr 25	Sell€8,714,874	Pacific Investment Management Company LLC	Company	962,127	€9.06
02 Apr 25	Sell€1,609	Laura Nash	Individual	136	€11.83
14 Feb 25	Sell€4,911,708	Blue Torch Capital LP	Company	270,215	€19.18
03 Feb 25	Sell€26,690	Kenneth Gianella	Individual	1,279	€20.87
16 Jan 25	Sell€70,438	Brian Cabrera	Individual	2,287	€34.66
16 Jan 25	Sell€32,407	Henk Spanjaard	Individual	935	€34.66
16 Jan 25	Sell€87,030	James Lerner	Individual	2,511	€34.66
16 Jan 25	Sell€51,539	Kenneth Gianella	Individual	1,487	€34.66
08 Nov 24	Sell€1,355	Laura Nash	Individual	328	€4.13
08 Nov 24	Sell€8,747	Brian Cabrera	Individual	2,118	€4.13
08 Nov 24	Sell€5,501	Kenneth Gianella	Individual	1,332	€4.13
08 Nov 24	Sell€900	Henk Spanjaard	Individual	218	€4.13
08 Nov 24	Sell€15,201	James Lerner	Individual	3,681	€4.13

Insider Trading Volume

Insider Buying: QNT insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of QNT?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	0	0%
Individual Insiders	225,447	1.69%
Institutions	1,029,771	7.73%
General Public	12,064,031	90.6%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 177.9%.

Top Shareholders

Top 25 shareholders own 9.26% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
1.93%	The Vanguard Group, Inc.	256,678	€2.4m	0.88%	no data
1.34%	Marshall Wace LLP	178,021	€1.7m	0%	no data
1.06%	BlackRock, Inc.	141,311	€1.3m	9.35%	no data
1.02%	Blue Torch Capital LP	135,763	€1.3m	0%	no data
0.83%	James Lerner	110,848	€1.0m	0%	no data
0.52%	Geode Capital Management, LLC	69,384	€654.7k	9.13%	no data
0.45%	UBS Asset Management AG	60,221	€568.3k	174%	no data
0.34%	Morgan Stanley	45,675	€431.0k	2,020%	no data
0.22%	Brian Cabrera	28,736	€271.2k	0%	no data
0.21%	State Street Global Advisors, Inc.	27,347	€258.1k	0%	no data
0.19%	Hugues Meyrath	24,700	€233.1k	572%	no data
0.17%	Sassicaia Capital Advisers Llc	23,267	€219.6k	0%	0.14%
0.15%	Royal Bank of Canada	19,353	€182.6k	0%	no data
0.13%	Yue Zhou White	17,139	€161.7k	0%	no data
0.089%	Lewis Moorehead	11,913	€112.4k	42.3%	no data
0.088%	Northern Trust Global Investments	11,687	€110.3k	0%	no data
0.084%	Laura Nash	11,139	€105.1k	-4.4%	no data
0.082%	John Fichthorn	10,866	€102.5k	0%	no data
0.08%	Apollon Wealth Management, LLC	10,714	€101.1k	0%	no data
0.078%	CIBC Private Wealth Advisors, Inc.	10,404	€98.2k	0%	no data
0.062%	Bridgeway Capital Management, LLC	8,240	€77.8k	0%	no data
0.042%	SBI Holdings, Inc.	5,636	€53.2k	99.4%	no data
0.04%	Wells Fargo & Company	5,315	€50.1k	824%	no data
0.035%	AlphaQuest LLC	4,707	€44.4k	-51.2%	0.01%
0.035%	Raymond James Financial, Inc.	4,615	€43.6k	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/10/12 11:20
End of Day Share Price	2025/10/10 00:00
Earnings	2025/06/30
Annual Earnings	2025/03/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Quantum Corporation is covered by 11 analysts. 2 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Craig Ellis	B. Riley Securities, Inc.
Shebly Seyrafi	Capstone Investments
Chad Bennett	Craig-Hallum Capital Group LLC