GIGM · GIGAMEDIA Ltd
$1.48
-0.04 (-2.32%)
At close · Aug 14
Market Cap
$16.30M
Shares
11.05M
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: 7
Total Value: $646,401
Total Shares: 428,082
Institutional Ownership Trend
26 quarters
Holder Concentration
Across 7 13F filers · Δ vs Mar 31, 2026Top Holder
43.7%
−1.9 pts
Top 5
99.6%
−0.2 pts
Top 10
100.0%
0.0 pts
HHI
3,695
Highly concentrated−77
Quarterly Activity
vs Mar 31, 2026
New
0
Increased
3
Decreased
3
Sold Out
1
Unchanged
1
Holder count:
-1
Institutional value:
+4.3%
Shares held:
-1.2%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Large OSAIC HOLDINGS, INC. | +2,501 | 173,234 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | +2,076 | 13,742 | |
| Mega UBS Group AG | +889 | 1,243 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega MORGAN STANLEY | −10,400 | 187,206 | |
| Mega BNP PARIBAS ARBITRAGE, SA | −200 | 2,700 | |
| Mid SBI Securities Co., Ltd. | −2 | 350 |
Top New Positions
vs Mar 31, 2026No new positions this quarter.
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega WELLS FARGO & COMPANY/MN | 12 | $17 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega MORGAN STANLEY | $282,681 | 43.73% | 187,206 | Shares | 2026-08-13 | |
| Large OSAIC HOLDINGS, INC. | $261,583 | 40.47% | 173,234 | Shares | 2026-08-14 | |
| Large ACADIAN ASSET MANAGEMENT LLC | $74,906 | 11.59% | 49,607 | Shares | 2026-08-13 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $20,750 | 3.21% | 13,742 | Shares | 2026-08-14 | |
| Mega BNP PARIBAS ARBITRAGE, SA | $4,077 | 0.63% | 2,700 | Shares | 2026-08-13 | |
| Mega UBS Group AG | $1,876 | 0.29% | 1,243 | Shares | 2026-08-13 | |
| Mid SBI Securities Co., Ltd. Broker-Dealer | $528 | 0.08% | 350 | Shares | 2026-07-23 |