SEALSQ Corp

LAES

Exchange: Nasdaq
Industry: Semiconductors & Related Devices
SEC CIK: 0001951222

SEC filings (opens in a new tab)

In the last 90 days, SEALSQ Corp insiders filed 0 open-market purchases and 3 sales; 108 institutions reported holding it in 13F filings for Q2 2026, worth $38.5M in total; no superinvestor holds it.

Q1 2026 vs. Q4 2025

How the institutions holding SEALSQ Corp changed between Q4 2025 and Q1 2026.

All holders in Q1 2026 All holders in Q4 2025

13F holders of LAES: Q4 2025 compared with Q1 2026
Measure	Q4 2025	Of which not filed for Q1 2026	Q1 2026	Change
Holders	99	1	85	−13
Shares	9.86M	2.28K	23.0M	+13.2M (+133.7%)
Value	$37.3M	$8.61K	$60.3M	+$23.0M (+61.5%)

1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (13)

Institutions that held SEALSQ Corp at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to LAES in Q1 2026
Institution	Shares	Value	% of portfolio
Anson Funds Management LP	12,457,698	$32.6M	4.31%
Heights Capital Management, Inc	3,136,465	$8.22M	2.30%
PEAK6 LLC	186,544	$488.7K	0.01%
Mangrove Partners	168,918	$442.6K	0.04%
Bank of New York Mellon Corp	117,834	$308.7K	0.00%
Marathon Trading Investment Management LLC	50,200	$131.5K	0.04%
LaSalle St. Investment Advisors, LLC	27,200	$71.3K	0.01%
Marex Group plc	10,705	$28.0K	0.00%
TD Waterhouse Canada Inc.	3,500	$8.75K	0.00%
LRI Investments, LLC	1,000	$2.62K	0.00%
Hurley Capital, LLC	764	$2.00K	0.00%
Truvestments Capital LLC	100	$262	0.00%
FNY Investment Advisers, LLC	32	$0	0.00%

Sold out (26)

Institutions that held SEALSQ Corp at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of LAES in Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Balyasny Asset Management LLC	1,037,317	$3.92M
Jane Street Group, LLC	588,476	$2.22M
L1 Global Manager Pty Ltd	200,000	$756.0K
Citadel Advisors LLC	198,360	$749.8K
Mirae Asset Securities (USA) Inc.	195,114	$737.5K
Quantbot Technologies LP	34,277	$129.6K
Private Advisor Group, LLC	32,055	$121.2K
FORA Capital, LLC	25,588	$96.7K
West Tower Group, LLC	23,500	$88.8K
TCG Advisory Services, LLC	21,483	$81.2K
McAdam, LLC	17,895	$67.6K
Quadrature Capital Ltd	14,046	$53.1K
Prime Capital Investment Advisors, LLC	12,044	$45.5K
Gainplan LLC	11,600	$43.8K
Tudor Investment Corp Et Al	10,929	$41.3K
Flagship Harbor Advisors, LLC	3,515	$13.3K
Toth Financial Advisory Corp	1,500	$5.67K
The PNC Financial Services Group, Inc.	1,451	$5.49K
Quadrant Capital Group LLC	701	$2.65K
Bank of America Corp	617	$2.33K
Clarity Asset Management, Inc.	500	$1.89K
Flagship Wealth Advisors, LLC	415	$1.57K
Cape Investment Advisory, Inc.	360	$1.36K
Luminist Capital LLC	330	$1.25K
Vermillion Wealth Management, Inc.	40	$151
SageView Advisory Group, LLC	39	$148

Not filed for Q1 2026 yet (1)

Institutions that held SEALSQ Corp at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding LAES in Q4 2025 that haven't filed for Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Global Retirement Partners, LLC	2,278	$8.61K