SEC ownership of Himax Technologies, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001342338.

Comparable stake leader

Robeco Institutional Asset Management B.V.

Disclosed value leader

Robeco Institutional Asset Management B.V.

Comparable rows

0/50

Latest evidence

30 Jun 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 1 signal
Latest parsed ownership date
30 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001342338
Issuer location
Taiwan

Ownership snapshot

Top shareholders of Himax Technologies, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Robeco Institutional Asse...
Disclosed value leader
Robeco Institutional Asse...
Comparable rows
0/50
Latest evidence
30 Jun 2026
13F Highest disclosed value: $54,676,099 50 rows are not safely comparable across share classes. Showing 1-8 of 50 holder rows.

Quick read

Robeco Institutional Asset Management B.V. has the largest disclosed position value at $54.68M.

0 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Robeco Institutional Asset Management B.V.'s linked filing trail.
Disclosed position value Top 5
Robeco Institutional Asset Manage... $54.68M
STATE STREET CORP $35.54M
Polunin Capital Partners Ltd $10.62M
Mitsubishi UFJ Asset Management C... $7.14M
ENVESTNET ASSET MANAGEMENT INC $4.98M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Robeco Institutional Asset Management B.V.
13F
Company
13F
class O/S missing
$54,676,099
3,564,283 shares
30 Jun 2026
STATE STREET CORP
13F
Company
13F
class O/S missing
$35,541,216
2,279,452 shares
30 Jun 2026
Polunin Capital Partners Ltd
13F
Company
13F
class O/S missing
$10,615,000
696,950 shares
30 Jun 2026
Mitsubishi UFJ Asset Management Co., Ltd.
13F
Company
13F
class O/S missing
$7,136,275
465,207 shares
30 Jun 2026
ENVESTNET ASSET MANAGEMENT INC
13F
Company
13F
class O/S missing
$4,978,762
324,561 shares
30 Jun 2026
Russell Investments Group, Ltd.
13F
Company
13F
class O/S missing
$4,708,892
323,191 shares
30 Jun 2026
BlackRock, Inc.
13F
Company
13F
class O/S missing
$4,675,618
304,799 shares
30 Jun 2026
LPL Financial LLC
13F
Company
13F
class O/S missing
$4,633,265
302,038 shares
30 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 15 Aug 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-7 of 7 reporting-owner rows connected to Himax Technologies, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
7
Largest Forms 3/4/5 holder
Biing-Seng Wu
Net 12M change
$0
Latest report
18 Mar 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Biing-Seng Wu Director Mixed 18 Mar 2026
Liang-Gee Chen Director Mixed 18 Mar 2026
Yuan-Chuan Horng Director Mixed 18 Mar 2026
Jordan Wu President, CEO, Director Mixed 18 Mar 2026
Ming-Feng Pan Chief Financial Officer Mixed 18 Mar 2026
Yan-Kuin Su Director Mixed 18 Mar 2026
Hsien-Chang Tsai VP, Sales and Operations Mixed 18 Mar 2026

Recent insider transactions for Himax Technologies, Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Hsien-Chang Tsai HIMX Ordinary Shares, par value US$0.3 per Share 0 2 18 Mar 2026 Direct
Ming-Feng Pan HIMX Ordinary Shares, par value US$0.3 per Share 0 125,456 18 Mar 2026 Direct
Jordan Wu HIMX Ordinary Shares, par value US$0.3 per Share 0 445,182 18 Mar 2026 Held through Shu Chuan Investment Co., Ltd., an investment company controlled by Jordan Wu.
Jordan Wu HIMX Ordinary Shares, par value US$0.3 per Share 0 6,600,212 18 Mar 2026 Held through Arch Finance Ltd., an investment company controlled by Jordan Wu.
Jordan Wu HIMX Ordinary Shares, par value US$0.3 per Share 0 526,641 18 Mar 2026 Direct
Yuan-Chuan Horng HIMX Ordinary Shares, par value US$0.3 per Share 0 916,104 18 Mar 2026 Direct
Biing-Seng Wu HIMX Ordinary Shares, par value US$0.3 per Share 0 20,039,838 18 Mar 2026 Held through Chi-Duan Investment Co. Ltd., an investment company controlled by Biing-Seng Wu.
Biing-Seng Wu HIMX Ordinary Shares, par value US$0.3 per Share 0 56,549,308 18 Mar 2026 Held through Sanfair Asia Investments Ltd., an investment company controlled by Biing-Seng Wu.
Biing-Seng Wu HIMX Ordinary Shares, par value US$0.3 per Share 0 315,322 18 Mar 2026 Direct
* marks a reported price that did not pass the local price check.
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