ASE Technology
ASX
31.63
+1.91
+6.43%
ASE Technology
US · ASX
#252 by market cap
Listed 2000
31.63
+1.91
+6.43%
Periodic snapshot; not a real-time feed.
· 2026-11-06 20:02
✦ Quant Ownership Signal how this is computed
Distributing
- The number of reporting institutions increased by 8 in the most recent period (2026/Q3).
- Total institutional ownership fell 0.1 percentage points.
Ownership vs. money flow
AlignedInstitutions trimmed shares last reporting period, and the stock has seen net outflows in main-fund flow over the last 20 trading sessions - the two line up.
Institutional ownership changes are reported quarterly with a lag; fund-flow data is daily. Treat this as a directional cross-check, not a precise timing signal.
Institutional ownership
- Held by institutions
- 41.03% -0.13pp
- Institutions
- 739 +8
- As of
- 2026/Q3 vs. prior period
Holder types
Mutual Fund34.41%
Individual/Insider25.80%
Government Pension Fund2.06%
Private Company1.77%
Public Company1.33%
Sovereign Wealth Fund0.83%
Hedge Fund0.46%
Other33.22%
Top holders as of 2026-09-30
Chien Shen Chang
21.74% · 478.01M sh
BlackRock
5.21% · 114.59M sh
Hung-Pen Chang
2.93% · 64.49M sh
Cathay Securities Investment Trust Co., LTD
2.38% · 52.41M sh
Yuanta Securities Investment Trust Co., Ltd.
2.24% · 49.27M sh
Other
65.57%
The Vanguard
2.06% · 45.30M sh
Fuh Hwa Securities Investment Trust Co., Ltd.
1.66% · 36.57M sh
New Labor Pension Scheme
1.58% · 34.78M sh
Fubon Life Insurance Co., Ltd
1.42% · 31.15M sh
Vanguard Capital Management, LLC
1.09% · 23.86M sh
Bank of Taiwan
1.11% · 24.43M sh
UBS Asset Management
1.01% · 22.11M sh
Bar length is relative to the largest holder shown here, not to 100% of the company.
Insiders
32 filings tracked · 0 buys · 9 sells
| Name | Role | Stake |
|---|---|---|
| Chien Shen Chang | Chairperson | 21.74% |
| Hung-Pen Chang | Vice Chairman, GM & President | 2.93% |
| Chi-Wen Tsai | Chairman & President of Siliconware Precision Industries Co., Ltd | 0.35% |
| Tien Wu | Group COO & Representative Director | 0.19% |
| Hung-Szu Tung | -- | 0.10% |
| Joseph Tung | Group Chief Financial Officer | 0.10% |
| Rui Rong Lo | GM of Kaohsiung Plant | 0.10% |
| Changyi Chen | Representative Director | 0.06% |
| Tien-Szu Chen | Former Representative Director | 0.06% |
| Anne Chang | Officer | 0.02% |
| Hung-Ming Kuo | -- | 0.02% |
Insider transactions most recent Form 4 filings
| Date | Name | Role | Type | Shares | Price |
|---|---|---|---|---|---|
| 2026-06-22 | Tu-Tsun Wang | Chief Administrative Officer & Chief Corporate Governance Officer | Open Market Disposition | -11,000 | $611.00–697.00 |
| 2026-06-02 | Tu-Tsun Wang | Chief Administrative Officer & Chief Corporate Governance Officer | Open Market Disposition | -10,000 | $607.00–617.00 |
| 2026-05-26 | Changyi Chen | Representative Director | Open Market Disposition | -29,000 | $538.00–653.00 |
| 2026-05-20 | Changyi Chen | Representative Director | Open Market Disposition | -27,000 | $477.00–505.00 |
| 2026-05-17 | Changyi Chen | Representative Director | Open Market Disposition | -27,000 | $506.00–563.00 |
| 2026-04-23 | Changyi Chen | Representative Director | Open Market Disposition | -9,000 | $473.00 |
| 2026-04-22 | Changyi Chen | Representative Director | Open Market Disposition | -27,000 | $463.50–487.67 |
| 2026-04-19 | Changyi Chen | Representative Director | Open Market Disposition | -27,000 | $446.00–461.50 |
| 2026-04-19 | Tien-Szu Chen | Former Representative Director | Open Market Disposition | -530,000 | $465.11–471.00 |
| 2026-03-17 | Changyi Chen | Representative Director | Initial Statement of Beneficial | 0 | -- |
| 2026-03-17 | Rui Rong Lo | GM of Kaohsiung Plant | Initial Statement of Beneficial | 0 | -- |
| 2026-03-17 | Chien Shen Chang | Chairperson | Initial Statement of Beneficial | 0 | -- |
| 2026-03-17 | Hung-Pen Chang | Vice Chairman, GM & President | Initial Statement of Beneficial | 0 | -- |
| 2026-03-17 | Chi-Wen Tsai | Chairman & President of Siliconware Precision Industries Co., Ltd | Initial Statement of Beneficial | 0 | -- |
| 2026-03-17 | Tien Wu | Group COO & Representative Director | Initial Statement of Beneficial | 0 | -- |
| 2026-03-17 | Tien-Szu Chen | Former Representative Director | Initial Statement of Beneficial | 0 | -- |
| 2026-03-17 | Kenneth Hsiang | Head of Investor Relations & Senior VP | Initial Statement of Beneficial | 0 | -- |
| 2026-03-17 | Tu-Tsun Wang | Chief Administrative Officer & Chief Corporate Governance Officer | Initial Statement of Beneficial | 0 | -- |
| 2026-03-17 | Shen-Fu Yu | Independent Director | Initial Statement of Beneficial | 0 | -- |
| 2026-03-17 | Chen-Yen Wei | Chairman, President of Universal Scientific Industrial & GM of UGTW | Initial Statement of Beneficial | 0 | -- |
Form 4 filings, most recent per company. "Other Derivative Acquisition" rows are mostly RSU/option vesting, not open-market buying - the Type column says which.
Quote time 2026-11-06 20:02:27 · For reference only, not investment advice and not tailored to your situation.
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