Who owns CHIPMOS TECHNOLOGIES INC?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from SEC filings.
Institutional ownership of IMOS from SEC Form 13F filings across 73 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 73 institutions disclosed 1.4M shares of CHIPMOS TECHNOLOGIES INC worth $76.1M — about 4% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
73
13F holders
$76.1M
value, 2026 filers
4%
of shares outstanding (1.4M sh)
24
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of IMOS's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 255,464 | $16.4M | 0.0% | 0.7% | +0.4% |
| 2 | ACADIAN ASSET MANAGEMENT LLC | 197,066 | $12,648 | 0.0% | 0.6% | -12.6% |
| 3 | O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 172,425 | $11.1M | 0.1% | 0.5% | +116.3% |
| 4 | XY Capital LtdNEW | 130,326 | $8.4M | 8.1% | 0.4% | new |
| 5 | Vanguard Personalized Indexing Management, LLC | 72,464 | $4.7M | 0.0% | 0.2% | +5.5% |
| 6 | ENVESTNET ASSET MANAGEMENT INC | 53,138 | $3.4M | 0.0% | 0.2% | -2.9% |
| 7 | JANE STREET GROUP, LLC | 52,853 | $3.4M | 0.0% | 0.2% | +480.0% |
| 8 | TWO SIGMA INVESTMENTS, LP | 50,810 | $3.3M | 0.0% | 0.1% | +68.1% |
| 9 | Creative Planning | 49,378 | $3.2M | 0.0% | 0.1% | +10.1% |
| 10 | MARSHALL WACE, LLP | 34,423 | $2.2M | 0.0% | 0.1% | +5.6% |
| 11 | Qube Research & Technologies LtdNEW | 32,641 | $2.1M | 0.0% | 0.1% | new |
| 12 | RHUMBLINE ADVISERS | 25,707 | $1.7M | 0.0% | 0.1% | +5.4% |
| 13 | JPMORGAN CHASE & CO | 21,887 | $1.3M | 0.0% | 0.1% | +27258.8% |
| 14 | SUSQUEHANNA INTERNATIONAL GROUP, LLPNEW | 20,814 | $1.3M | 0.0% | 0.1% | new |
| 15 | SIGNATUREFD, LLC | 20,711 | $1.3M | 0.0% | 0.1% | -0.9% |
| 16 | RITHOLTZ WEALTH MANAGEMENTNEW | 17,898 | $1.1M | 0.0% | 0.1% | new |
| 17 | CITADEL ADVISORS LLC | 17,647 | $1.1M | 0.0% | 0.1% | -29.0% |
| 18 | Kathmere Capital Management, LLC | 13,395 | $860,629 | 0.0% | 0% | +135.4% |
| 19 | BANK OF AMERICA CORP /DE/ | 12,777 | $820,922 | 0.0% | 0% | -1.1% |
| 20 | LPL Financial LLC | 12,747 | $818,995 | 0.0% | 0% | -5.4% |
| 21 | QUADRANT CAPITAL GROUP LLC | 12,071 | $775,562 | 0.0% | 0% | -55.6% |
| 22 | TD Waterhouse Canada Inc.NEW | 7,977 | $516,989 | 0.0% | 0% | new |
| 23 | MORGAN STANLEY | 7,970 | $512,075 | 0.0% | 0% | +489.1% |
| 24 | Vident Advisory, LLCNEW | 7,612 | $489,072 | 0.0% | 0% | new |
| 25 | Mariner, LLCNEW | 7,145 | $459,066 | 0.0% | 0% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.