Who owns Himax Technologies (HIMX)?
48 holders named in SEC filings declare between 36.0% and 46.4% of Himax Technologies' shares outstanding, as of Sep 30, 2026. The largest are Biing-Seng Wu (22.0%), ACADIAN ASSET MANAGEMENT LLC (3.8%) and LAZARD ASSET MANAGEMENT LLC (3.8%); the five largest hold 33.9% together. Another 131 institutions hold small positions worth 1.3%. At least 52.2% of the shares appear in no ownership filing: investors who do not have to report, mostly individuals. From Mar 31, 2026 to Jun 30, 2026, institutions that filed both quarters bought 7.2% and sold 3.0% of the shares, a net purchase of 4.1%; 39 opened a position, 59 added, 50 reduced and 19 sold out. Biggest buyers: Renaissance Technologies (+2.1M shares) and Two Sigma (+2.0M shares). Biggest sellers: Robeco Institutional Asset Management B.V. (-1.3M) and Allianz Asset Management GmbH (-563,500). Directors and officers, from their latest Form 4: Biing-Seng Wu (22.0%), Jordan Wu (2.2%) and Yuan-Chuan Horng (0.26%). Over time, 173 managers declared Himax Technologies in their 13F for Q2 2026, against 67 for Q4 2019: together at most 23.3% of the shares outstanding, against 7.5%.
| Holder | Filing | Share of capital | As of | Holding since (13F) |
|---|---|---|---|---|
| Biing-Seng Wu | Form 4 | 22.0% | Mar 18, 2026 | — |
| ACADIAN ASSET MANAGEMENT LLC | 13F | 3.8% | Jun 30, 2026 | Q1 2020 |
| LAZARD ASSET MANAGEMENT LLC | 13F | 3.8% | Jun 30, 2026 | Q2 2021 |
| Jordan Wu | Form 4 | 2.2% | Sep 30, 2026 | — |
| Robeco Institutional Asset Management B.V. | 13F | 2.0% | Jun 30, 2026 | Q4 2022 |
| Renaissance Technologies | 13F | 1.6% | Jun 30, 2026 | Q4 2019 or earlier |
| State Street | 13F | 1.3% | Jun 30, 2026 | Q4 2019 or earlier |
| Two Sigma | 13F | 1.3% | Jun 30, 2026 | Q2 2023 |
| D. E. Shaw | 13F | 0.95% | Jun 30, 2026 | Q3 2023 |
| Allianz Asset Management GmbH | 13F | 0.73% | Jun 30, 2026 | Q1 2025 |
| Jane Street | 13F | 0.63% | Jun 30, 2026 | Q1 2023 |
| Goldman Sachs | 13F | 0.52% | Jun 30, 2026 | Q1 2021 |
| Marshall Wace | 13F | 0.42% | Jun 30, 2026 | Q2 2026 |
| Polunin Capital Partners Ltd | 13F | 0.40% | Jun 30, 2026 | Q2 2026 |
| WELLS FARGO & COMPANY/MN | 13F | 0.29% | Jun 30, 2026 | Q4 2019 or earlier |
| Morgan Stanley | 13F | 0.28% | Jun 30, 2026 | Q4 2019 or earlier |
| Mitsubishi UFJ Asset Management Co., Ltd. | 13F | 0.27% | Jun 30, 2026 | Q4 2019 or earlier |
| Yuan-Chuan Horng | Form 4 | 0.26% | Mar 18, 2026 | — |
| SEI INVESTMENTS CO | 13F | 0.23% | Jun 30, 2026 | Q1 2023 |
| Citadel | 13F | 0.22% | Jun 30, 2026 | Q1 2023 |
| UBS | 13F | 0.19% | Jun 30, 2026 | Q4 2019 or earlier |
| ENVESTNET ASSET MANAGEMENT INC | 13F | 0.19% | Jun 30, 2026 | Q2 2020 |
| Russell Investments Group, Ltd. | 13F | 0.19% | Jun 30, 2026 | Q4 2023 |
| Millennium | 13F | 0.18% | Jun 30, 2026 | Q2 2023 |
| BlackRock | 13F | 0.17% | Jun 30, 2026 | Q4 2019 or earlier |
Himax Technologies institutional ownership over time
| Quarter | 13F managers | Share of the company (upper bound) | Value declared | Held by stock pickers |
|---|---|---|---|---|
| Q4 2019 | 67 | 7.5% | $34.6M | 65.9% |
| Q4 2020 | 96 | 15.1% | $194.2M | 83.8% |
| Q4 2021 | 145 | 26.8% | $744.2M | 84.1% |
| Q4 2022 | 134 | 16.1% | $174.8M | 82.2% |
| Q4 2023 | 129 | 12.6% | $133.7M | 78.7% |
| Q4 2024 | 130 | 19.0% | $268.1M | 82.9% |
| Q4 2025 | 145 | 19.4% | $277.5M | 82.9% |
| Q2 2026 | 173 | 23.3% | $622.8M | 82.5% |
From SEC Form 13F, every quarter since the end of 2019, read like the current quarter: entities of a house summed, a value contradicting its share count set aside. The share of the company is an upper bound — two managers can declare the same shares — over the shares outstanding at that date.