Comparable stake leader
MORGAN STANLEY
SEC ownership of CHIPMOS TECHNOLOGIES INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001123134.
Disclosed value leader
MORGAN STANLEY
Comparable rows
1/49
Latest evidence
30 Sep 2026
- Public ticker
- IMOS on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
MORGAN STANLEY
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
1 of 49
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
MORGAN STANLEY
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Sep 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001123134
- Issuer location
- Taiwan, Taiwan
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of CHIPMOS 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
MORGAN STANLEY
Disclosed value leader
MORGAN STANLEY
Comparable rows
1/49
Latest evidence
30 Sep 2026
13D/G
13F
3/4/5
Lead comparable stake: 6.5%
48 rows are not safely comparable across share classes.
13D/G row: MORGAN STANLEY
Showing 1-8 of 49 holder rows.
Quick read
MORGAN STANLEY leads the comparable SEC ownership view at 6.5%.
1 of 49 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 MORGAN STANLEY's linked filing trail.
Comparable ownership
Top 1
MORGAN STANLEY
6.5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 49 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| MORGAN STANLEY |
13D/G
13F
Company
|
6.5%
Reported 13D/G
· 30 Sep 2026
|
$3,328,776,434
46,079,408 shares
|
$0 | 30 Sep 2026 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
denominator unverified
|
$71,414,164
995,042 shares
|
— | 30 Sep 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$6,296,860
87,758 shares
|
— | 30 Sep 2026 |
| Qube Research & Technologies Ltd |
13F
Company
|
—
denominator unverified
|
$4,345,745
60,551 shares
|
— | 30 Sep 2026 |
| Quadrature Capital Ltd |
13F
Company
|
—
denominator unverified
|
$4,144,789
57,751 shares
|
— | 30 Sep 2026 |
| Creative Planning |
13F
Company
|
—
denominator unverified
|
$3,538,477
49,303 shares
|
— | 30 Sep 2026 |
| Ballentine Partners, LLC |
13F
Company
|
—
denominator unverified
|
$2,101,138
29,276 shares
|
— | 30 Sep 2026 |
| RENAISSANCE GROUP LLC |
13F
Company
|
—
denominator unverified
|
$1,745,895
24,326 shares
|
— | 30 Sep 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
No eligible buy or sell activity is available for this window. No eligible Buy or Sell transactions are available in this dataset since 15 Nov 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 1-11 of 11 reporting-owner rows connected to CHIPMOS TECHNOLOGIES INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
11
Largest Forms 3/4/5 holder
Kun-Yi Chien
Net 12M change
$0
Latest report
16 Mar 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Kun-Yi Chien | Director | Mixed | 13 Mar 2026 | |||
| Pao-Hsin Chang | Director | Mixed | 13 Mar 2026 | |||
| Yu-Chiao Su | Vice President, Director | Mixed | 13 Mar 2026 | |||
| Yeong-Her Wang | Director | Mixed | 13 Mar 2026 | |||
| Jyh-Chau Wang | Director | Mixed | 13 Mar 2026 | |||
| Yuh-Fong Tang | Director | Mixed | 13 Mar 2026 | |||
| Teng-Yueh Tsai | Executive Vice President | Mixed | 13 Mar 2026 | |||
| Hong-Tzer Yang | Director | Mixed | 13 Mar 2026 | |||
| Yuan-Feng Hsu | Executive Vice President | Mixed | 13 Mar 2026 | |||
| Lin Fu-Chen | Director | Mixed | 13 Mar 2026 | |||
| Shih Jye Cheng | President, Director | Mixed | 16 Mar 2026 |
Recent insider transactions for CHIPMOS 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Shih Jye Cheng | IMOS | Common Stock | 0 | 1,000,000 | 16 Mar 2026 | By Spouse | ||||
| Shih Jye Cheng | IMOS | Common Stock | 0 | 6,244,777 | 16 Mar 2026 | By Hao Hsiang Investment Co., Ltd. | ||||
| Shih Jye Cheng | IMOS | Common Stock | 0 | 5,160,161 | 16 Mar 2026 | Direct | ||||
| Yuan-Feng Hsu | IMOS | Common Stock | 0 | 230,130 | 13 Mar 2026 | Direct | ||||
| Teng-Yueh Tsai | IMOS | Common Stock | 0 | 820,000 | 13 Mar 2026 | Yung Hsiang Investment Co., Ltd. | ||||
| Teng-Yueh Tsai | IMOS | Common Stock | 0 | 272,572 | 13 Mar 2026 | Direct | ||||
| Yu-Chiao Su | IMOS | Common Stock | 0 | 830,000 | 13 Mar 2026 | Tsai Fu Investment Co., Ltd. | ||||
| Yu-Chiao Su | IMOS | Common Stock | 0 | 346,101 | 13 Mar 2026 | Direct |
* marks a reported price that did not pass the local price check.