Security key
16965P202
CHIPMOS TECHNOLOGIES INC - SPONSORD ADS NEW (IMOS)
CUSIP: 16965P202
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / SPONSORD ADS NEW
- Total 13F shares
- 2,332,148
- Total 13F value
- $83,430,654
- Share change
- +215,557
- SEC-reported price per share
- $35.78
- Number of holders
- 72
- Value change
- +$8,002,462
- Number of buys
- 40
- Number of sells
- 19
Report period
Q1 2026
Institutions
72
Top holders
10
IMOS full security history
Ownership snapshot
Full 13F holder table
CHIPMOS TECHNOLOGIES INC SEC filings
CHIPMOS TECHNOLOGIES INC company facts
Broader feeds
Ownership snapshot
Top reported holders of IMOS - CHIPMOS TECHNOLOGIES INC - SPONSORD ADS NEW (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
RENAISSANCE TECHNOLOGIES LLC
Disclosed value leader
RENAISSANCE TECHNOLOGIES LLC
Comparable rows
0/15
Latest evidence
31 Dec 2025
13F
Highest disclosed value: $33,339,380
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
RENAISSANCE TECHNOLOGIES LLC has the largest disclosed position value at $33.34M.
0 of 15 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 RENAISSANCE TECHNOLOGIES LLC's linked filing trail.
Disclosed position value
Top 5
RENAISSANCE TECHNOLOGIES LLC
$33.34M
ACADIAN ASSET MANAGEMENT LLC
$7.5M
BlackRock, Inc.
$7.25M
DIMENSIONAL FUND ADVISORS LP
$2.73M
Vanguard Personalized Indexing Ma...
$2.18M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
class O/S missing
|
$33,339,380
1,125,190 shares
|
— | 31 Dec 2025 |
| ACADIAN ASSET MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$7,497,000
253,252 shares
|
— | 31 Dec 2025 |
| BlackRock, Inc. |
13F
Company
|
—
class O/S missing
|
$7,249,877
244,680 shares
|
— | 31 Dec 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
class O/S missing
|
$2,726,682
91,919 shares
|
— | 31 Dec 2025 |
| Vanguard Personalized Indexing Management, LLC |
13F
Company
|
—
class O/S missing
|
$2,175,370
73,380 shares
|
— | 31 Dec 2025 |
| Creative Planning |
13F
Company
|
—
class O/S missing
|
$1,240,786
41,876 shares
|
— | 31 Dec 2025 |
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.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
72
Shares
2,332,148
Rows available
72
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
72
Q1 2026 holders
72
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|