GigaMedia Limited (GIGM) Ownership
GIGM ownership summary
as of October 18, 2026- Institutions
- 4.3% of shares outstanding
- Insiders
- 45.56% of shares outstanding
- Shares outstanding
- 11.1M
- Float
- 6.2M shares available to trade
- Short interest
- — 67 shares short
- Days to cover
- 0.02 short interest down 96.2% vs prior month
- Institutions 4.33%
- Insiders 45.56%
- Other investors 50.11%
GIGM top institutional holders
9 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Morgan Stanley - Brokerage Accounts | 1.69% | 187K | $243,368 | −10,400 (−5.3%) | June 30, 2026 |
| 2 | Advisor Group Holdings, Inc. | 1.57% | 173K | $225,204 | +2,501 (+1.5%) | June 30, 2026 |
| 3 | Acadian Asset Management LLC | 0.45% | 50K | $64,489 | — | June 30, 2026 |
| 4 | Susquehanna International Group, LLP | 0.12% | 14K | $17,865 | +2,076 (+17.8%) | June 30, 2026 |
| 5 | BNP Paribas Arbitrage, SA | 0.02% | 2,700 | $3,510 | −200 (−6.9%) | June 30, 2026 |
| 6 | UBS Group AG | 0.01% | 1,243 | $1,616 | +889 (+251.1%) | June 30, 2026 |
| 7 | SBI Securities Co Ltd | <0.01% | 350 | $455 | −2 (−0.6%) | June 30, 2026 |
| 8 | Wells Fargo & Co | 0.00% | — | — | −12 (−100.0%) | June 30, 2026 |
| 9 | CWM, LLC duplicate | 0.00% | — | — | −396 (−100.0%) | March 31, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 9, 3 holders added 5,466 shares and 5 cut 11K.
GIGM top mutual fund and ETF holders
1 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Nasdaq Composite Index | 0.01% | 1,210 | $1,573 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
GIGM insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2020-09-22 | Cheng-Ming Huang | Buy | $2.88 | 15,787 | $45,467 |
| 2020-09-08 | Cheng-Ming Huang | Buy | $2.90 | 50,000 | $145,000 |
| 2020-09-04 | Cheng-Ming Huang | Buy | $2.70 | 11,267 | $30,421 |
| 2020-05-19 | Cheng-Ming Huang | Buy | $2.49 | 110,190 | $274,373 |
| 2019-08-19 | Cheng-Ming Huang | Buy | $2.35 | 69,742 | $163,894 |
| 2019-08-15 | Cheng-Ming Huang | Buy | $2.34 | 60,000 | $140,400 |
| 2019-06-21 | Cheng-Ming Huang | Buy | $2.52 | 9,944 | $25,059 |
| 2019-06-19 | Cheng-Ming Huang | Buy | $2.50 | 57,885 | $144,712 |
| 2019-06-14 | Cheng-Ming Huang | Buy | $2.55 | 6,148 | $15,677 |
| 2019-06-12 | Cheng-Ming Huang | Buy | $2.39 | 25,484 | $60,907 |
| 2018-12-21 | Cheng-Ming Huang | Buy | $2.91 | 70,000 | $203,700 |
| 2018-12-19 | Cheng-Ming Huang | Buy | $2.69 | 80,000 | $215,200 |
| 2018-09-14 | Cheng-Ming Huang | Buy | $2.99 | 69,967 | $209,201 |
| 2018-08-16 | Cheng-Ming Huang | Buy | $3.04 | 50,000 | $152,000 |
| 2018-08-14 | Cheng-Ming Huang | Buy | $2.89 | 60,000 | $173,400 |
| 2018-06-04 | Cheng-Ming Huang | Buy | $2.98 | 12,964 | $38,633 |
| 2017-12-19 | Cheng-Ming Huang | Buy | $3.00 | 35,042 | $105,126 |
| 2017-12-06 | Cheng-Ming Huang | Buy | $2.94 | 55,070 | $161,906 |
| 2017-09-19 | Cheng-Ming Huang | Buy | $2.99 | 100,000 | $299,000 |
| 2017-08-21 | Cheng-Ming Huang | Buy | $2.94 | 100,000 | $294,000 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
GIGM shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns GIGM
Institutional investors own 4.3% of GigaMedia's shares and insiders 45.56%. The largest holder is Morgan Stanley - Brokerage Accounts with 1.69% of the shares (187K), as of June 30, 2026. Among the top 9 institutions, 3 added shares and 5 reduced their stake in the latest filings.
Related: GIGM key metrics. See the GIGM stock overview for the latest quote and news.
GIGM ownership FAQ
Who owns the most GigaMedia stock?
The largest shareholders of GigaMedia are Morgan Stanley - Brokerage Accounts (1.69%), Advisor Group Holdings, Inc. (1.57%), Acadian Asset Management LLC (0.45%), Susquehanna International Group, LLP (0.12%), BNP Paribas Arbitrage, SA (0.02%).
What percentage of GigaMedia is owned by institutions?
Institutions hold 4.3% of GigaMedia's shares outstanding; insiders hold 45.56%.
Which funds own GigaMedia?
The largest fund holders of GigaMedia are Fidelity Nasdaq Composite Index (0.01%).
Are insiders buying or selling GigaMedia?
Of the latest 20 reported insider transactions in GigaMedia (since August 21, 2017), 20 were purchases and 0 were sales.
How many shares of GigaMedia are outstanding?
GigaMedia has 11.1M shares outstanding, of which 6.2M are in the public float.