NASDAQ · SELX

Semilux International Ltd. Ordinary Shares

Technology · Hardware, Equipment & Parts

$0.34

Down-$0.01 (-28.20%)

Updated Sep 7, 2026, 6:11 PM

SID Score

2.8/10

Composite research score

Smart Money

—

Institutional and insider signal

Market cap: 23.12M
P/E ratio: -5.98
Dividend yield: 0.00%
52-week range: $0.20 – $1.48
Volume: 7.13M
Avg. volume: 1.06M

Price performance

SELX price history

1M range · 0 trading sessions · Daily adjusted prices

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Stock researchMarket Activity · Institutional Ownership

Company

Overview Forecast Earnings Dividend Financials

Market Activity

Options Insider Trades Short Interest Institutional Ownership Sentiment

Research & News

Analysis Competitors News SEC Filings SID Coverage

SELX research

Institutional Ownership

Leading institutional holders and position changes.

Tracked holders: 50
Tracked shares: 8.15M
Largest holder: Picton Mahoney Asset Management
Largest position: 843.01K

Institutional holders

SELX institutional holders
Institution	Filed	Shares	Change
Picton Mahoney Asset Management	Dec 31, 2023	843.01K	+393006.00%
First Trust Capital Management L.P.	Dec 31, 2023	831.73K	+105976.00%
Calamos Advisors LLC	Dec 31, 2023	700K	+0.00%
Glazer Capital, LLC	Dec 31, 2023	454.86K	+37649.00%
Westchester Capital Management, LLC	Dec 31, 2023	417.67K	+13881.00%
Berkley Dean & Company, Inc.	Dec 31, 2023	413.46K	+0.00%
Koch Industries, Inc.	Dec 31, 2023	405.63K	+75400.00%
Mizuho Securities USA, LLC.	Dec 31, 2023	365.08K	-30705.00%
Bulldog Investors, LLP	Dec 31, 2023	336.92K	-12990.00%
Verition Fund Management LLC	Dec 31, 2023	336.88K	+125000.00%
Radcliffe Capital Management, L.P.	Dec 31, 2023	326.72K	-1.00%
Karpus Investment Management	Dec 31, 2023	314.27K	-17850.00%
UBS O'Connor LLC	Dec 31, 2023	307.07K	-138018.00%
Wolverine Asset Management, LLC	Dec 31, 2023	299.32K	+64728.00%
Meteora Capital LLC	Dec 31, 2023	295.58K	+295576.00%
Saba Capital Management, L.P.	Dec 31, 2023	267.54K	+0.00%
AQR Capital Management, LLC	Dec 31, 2023	258.22K	+0.00%
Hudson Bay Capital Management LP	Dec 31, 2023	188.13K	+38131.00%
Polar Asset Management Partners Inc.	Dec 31, 2023	160K	-100000.00%
Shaolin Capital Management, LLC	Dec 31, 2023	150K	+150000.00%
LMR Partners LLP	Dec 31, 2023	100K	+0.00%
J.P. Morgan Securities LLC	Dec 31, 2023	75K	+74998.00%
Horizon Kinetics LLC	Jan 31, 2024	70.65K	-4487.00%
Walleye Capital LLC	Dec 31, 2023	64K	+0.00%
Spartan Fund Management Inc.	Dec 31, 2023	50K	+100.00%
Walleye Trading, LLC	Dec 31, 2023	36K	+0.00%
Lazard Asset Management, L.L.C.	Dec 31, 2023	30.21K	+0.00%
Cowen & Co., LLC	Dec 31, 2023	17.69K	+17693.00%
CAPTRUST Financial Advisors	Dec 31, 2023	13.3K	-2748.00%
Angel Oak Capital Advisors, LLC	Jun 30, 2023	10K	+0.00%
Glenmede Investment Management LP	Sep 30, 2023	7.08K	+7078.00%
Principal Global Investors (Equity)	Dec 31, 2023	4.84K	+0.00%
Geode Capital Management, L.L.C.	Dec 31, 2023	1.02K	+1018.00%
Voya Investments, LLC	Jul 31, 2023	392	-408.00%
Tower Research Capital LLC	Dec 31, 2023	25	+25.00%
Eisler Capital (UK) Ltd	Sep 30, 2022	0	-100000.00%
Schonfeld Strategic Advisors LLC	Sep 30, 2023	0	-15000.00%
Cubist Systematic Strategies, LLC	Sep 30, 2023	0	-49074.00%
BMO Nesbitt Burns Inc.	Sep 30, 2023	0	-171490.00%
Athos Capital Limited	Sep 30, 2023	0	-250000.00%
Starboard Value LP	Sep 30, 2023	0	-50000.00%
Mangrove Partners	Dec 31, 2022	0	-450000.00%
Segantii Capital Management Limited	Jun 30, 2023	0	-250000.00%
Virtu Americas LLC	Sep 30, 2023	0	-12364.00%
Magnetar Capital Partners LP	Sep 30, 2023	0	-133700.00%
Linden Advisors L.P.	Sep 30, 2023	0	-36904.00%
Prelude Capital Management, LLC	Jun 30, 2023	0	-252519.00%
Two Sigma Investments, LP	Sep 30, 2023	0	-333332.00%
Owl Creek Asset Management, L.P.	Jun 30, 2023	0	-252519.00%
Context Capital Management LLC	Dec 31, 2022	0	-50000.00%

Institution

Filed

Position value

Change

Picton Mahoney Asset Management

Dec 31, 2023

843.01K

+393006.00%

First Trust Capital Management L.P.

Dec 31, 2023

831.73K

+105976.00%

Calamos Advisors LLC

Dec 31, 2023

700K

+0.00%

Glazer Capital, LLC

Dec 31, 2023

454.86K

+37649.00%

Westchester Capital Management, LLC

Dec 31, 2023

417.67K

+13881.00%

Berkley Dean & Company, Inc.

Dec 31, 2023

413.46K

+0.00%

Koch Industries, Inc.

Dec 31, 2023

405.63K

+75400.00%

Mizuho Securities USA, LLC.

Dec 31, 2023

365.08K

-30705.00%

Bulldog Investors, LLP

Dec 31, 2023

336.92K

-12990.00%

Verition Fund Management LLC

Dec 31, 2023

336.88K

+125000.00%

Radcliffe Capital Management, L.P.

Dec 31, 2023

326.72K

-1.00%

Karpus Investment Management

Dec 31, 2023

314.27K

-17850.00%

UBS O'Connor LLC

Dec 31, 2023

307.07K

-138018.00%

Wolverine Asset Management, LLC

Dec 31, 2023

299.32K

+64728.00%

Meteora Capital LLC

Dec 31, 2023

295.58K

+295576.00%

Saba Capital Management, L.P.

Dec 31, 2023

267.54K

+0.00%

AQR Capital Management, LLC

Dec 31, 2023

258.22K

+0.00%

Hudson Bay Capital Management LP

Dec 31, 2023

188.13K

+38131.00%

Polar Asset Management Partners Inc.

Dec 31, 2023

160K

-100000.00%

Shaolin Capital Management, LLC

Dec 31, 2023

150K

+150000.00%

LMR Partners LLP

Dec 31, 2023

100K

+0.00%

J.P. Morgan Securities LLC

Dec 31, 2023

75K

+74998.00%

Horizon Kinetics LLC

Jan 31, 2024

70.65K

-4487.00%

Walleye Capital LLC

Dec 31, 2023

64K

+0.00%

Spartan Fund Management Inc.

Dec 31, 2023

50K

+100.00%

Walleye Trading, LLC

Dec 31, 2023

36K

+0.00%

Lazard Asset Management, L.L.C.

Dec 31, 2023

30.21K

+0.00%

Cowen & Co., LLC

Dec 31, 2023

17.69K

+17693.00%

CAPTRUST Financial Advisors

Dec 31, 2023

13.3K

-2748.00%

Angel Oak Capital Advisors, LLC

Jun 30, 2023

10K

+0.00%

Glenmede Investment Management LP

Sep 30, 2023

7.08K

+7078.00%

Principal Global Investors (Equity)

Dec 31, 2023

4.84K

+0.00%

Geode Capital Management, L.L.C.

Dec 31, 2023

1.02K

+1018.00%

Voya Investments, LLC

Jul 31, 2023

392

-408.00%

Tower Research Capital LLC

Dec 31, 2023

+25.00%

Eisler Capital (UK) Ltd

Sep 30, 2022

-100000.00%

Schonfeld Strategic Advisors LLC

Sep 30, 2023

-15000.00%

Cubist Systematic Strategies, LLC

Sep 30, 2023

-49074.00%

BMO Nesbitt Burns Inc.

Sep 30, 2023

-171490.00%

Athos Capital Limited

Sep 30, 2023

-250000.00%

Starboard Value LP

Sep 30, 2023

-50000.00%

Mangrove Partners

Dec 31, 2022

-450000.00%

Segantii Capital Management Limited

Jun 30, 2023

-250000.00%

Virtu Americas LLC

Sep 30, 2023

-12364.00%

Magnetar Capital Partners LP

Sep 30, 2023

-133700.00%

Linden Advisors L.P.

Sep 30, 2023

-36904.00%

Prelude Capital Management, LLC

Jun 30, 2023

-252519.00%

Two Sigma Investments, LP

Sep 30, 2023

-333332.00%

Owl Creek Asset Management, L.P.

Jun 30, 2023

-252519.00%

Context Capital Management LLC

Dec 31, 2022

-50000.00%

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