SELX
Semilux International Ltd.Company with tickers: SELX
CIK
1990950
CUSIP
G8021C104
Shares Outstanding
43,354,683
13F Activity (30d)
4 filings
4 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 4
Total Value: $801,259
Total Shares: 3,283,856
Institutional Ownership Trend
Holder Concentration
Across 4 13F filers · Δ vs Dec 31, 2025Top Holder
87.2%
+0.8 pts
Top 5
100.0%
0.0 pts
Top 10
100.0%
0.0 pts
HHI
7,748
Highly concentrated
+127
Quarterly Activity
vs Dec 31, 2025
New
0
Increased
0
Decreased
2
Sold Out
1
Unchanged
2
Holder count:
-1
Institutional value:
-69.1%
Shares held:
-0.9%
Top Buyers
vs Dec 31, 2025No qualifying movers this quarter.
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega MILLENNIUM MANAGEMENT LLC | −8,142 | 405,059 | |
| Mega ROYAL BANK OF CANADA | −364 | 300 |
Top New Positions
vs Dec 31, 2025No new positions this quarter.
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid NorthRock Partners, LLC | 20,076 | $15,719 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid METEORA CAPITAL, LLC | $698,309 | 87.15% | 2,861,925 | Shares | Defined | 2026-05-15 | ||||
| Mega MILLENNIUM MANAGEMENT LLC | $98,834 | 12.33% | 405,059 | Shares | Sole | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $4,043 | 0.50% | 16,572 | Shares | Defined | 2026-05-15 | ||||
| Mega ROYAL BANK OF CANADA Bank | $73 | 0.01% | 300 | Shares | Defined | 2026-05-15 | ||||
| No holders match your search. | ||||||||||