GIGM
GIGAMEDIA LtdCompany with tickers: GIGM
CIK
1105101
CUSIP
Y2711Y112
Shares Outstanding
11,052,235
Website
https://www.gigamedia.com
13F Activity (30d)
2 filings
1 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: 8
Total Value: $619,517
Total Shares: 433,230
Institutional Ownership Trend
25 quarters
Holder Concentration
Across 8 13F filers · Δ vs Dec 31, 2025Top Holder
45.6%
+1.2 pts
Top 5
99.8%
+0.1 pts
Top 10
100.0%
0.0 pts
HHI
3,772
Highly concentrated+4
Quarterly Activity
vs Dec 31, 2025
New
1
Increased
0
Decreased
5
Sold Out
1
Unchanged
2
Holder count:
0
Institutional value:
-12.3%
Shares held:
-6.8%
Top Buyers
vs Dec 31, 2025No qualifying movers this quarter.
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large OSAIC HOLDINGS, INC. | −19,138 | 170,733 | |
| Mega MORGAN STANLEY | −8,900 | 197,606 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | −2,700 | 11,666 | |
| Mega UBS Group AG | −256 | 354 | |
| Mega BNP PARIBAS ARBITRAGE, SA | −100 | 2,900 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega WELLS FARGO & COMPANY/MN | 12 | $17 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Large CWM, LLC | 396 | $601 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega MORGAN STANLEY | $282,576 | 45.61% | 197,606 | Shares | Defined | 2026-05-15 | ||||
| Large OSAIC HOLDINGS, INC. | $244,148 | 39.41% | 170,733 | Shares | Defined | 2026-05-15 | ||||
| Large ACADIAN ASSET MANAGEMENT LLC | $70,938 | 11.45% | 49,607 | Shares | Defined | 2026-05-13 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $16,682 | 2.69% | 11,666 | Shares | Other | 2026-05-15 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $4,147 | 0.67% | 2,900 | Shares | Defined | 2026-05-12 | ||||
| Mega UBS Group AG | $506 | 0.08% | 354 | Shares | Defined | 2026-05-05 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $503 | 0.08% | 352 | Shares | Defined | 2026-04-28 | ||||
| Mega WELLS FARGO & COMPANY/MN | $17 | 0.00% | 12 | Shares | Defined | 2026-05-11 | ||||
| No holders match your search. | ||||||||||