Chipmos Technologies Inc (IMOS) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

1,340,156Shares Outstanding

104,678Shares held by institutions

$3,608,251Value of institutional holdings

196.24%Institutional ownership %

8.62%Shares Changed QoQ

53No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Chipmos Technologies Inc (NASDAQ:IMOS) includes 55 filers as of the latest reporting cycle ending December 2025.

These investors collectively held 187.7% of the company's total shares outstanding in December 2025, down from 192.1% in September 2025.
Quarterly data indicates a -0.23% shift in institutional share volume, and the annual owner count reflects an increase of 5.77%.
Of these 55 institutional investors, 23 increased their holdings in Chipmos Technologies, while 17 of them reduced positions, and 15 investors maintained their exposure.
The aggregate institutional position in Chipmos Technologies now stands at 2.12Mn shares as of December 2025, after investors decreased their holdings (down by 4.84K shares quarter on quarter which is down 94.37K shares year over year).
As of December 31, 2025, RENAISSANCE TECHNOLOGIES LLC held Chipmos Technologies's largest shareholding position with over 1.13Mn shares, representing 99.55% of total outstanding shares.
Among the most significant buyers of Chipmos Technologies during December 2025 were UBS Group AG (18.29K), RBF Capital, LLC (17.93K), XY Capital Ltd (10.60K), Connor, Clark & Lunn Investment Management Ltd. (8.78K), Vanguard Personalized Indexing Management, LLC (2.24K).
Leading sellers of Chipmos Technologies stock in December 2025 included RENAISSANCE TECHNOLOGIES LLC (16.40K), RHUMBLINE ADVISERS (15.84K), RENAISSANCE GROUP LLC (15.15K), ACADIAN ASSET MANAGEMENT LLC (12.14K), CITADEL ADVISORS LLC (4.80K).
The top 10 institutional holders of Chipmos Technologies for the quarter ending December 2025 included RENAISSANCE TECHNOLOGIES LLC (1.13Mn), ACADIAN ASSET MANAGEMENT LLC (253.25K), BlackRock, Inc. (244.68K), DIMENSIONAL FUND ADVISORS LP (91.92K), Vanguard Personalized Indexing Management, LLC (73.38K), Creative Planning (41.88K), RENAISSANCE GROUP LLC (36.24K), GOLDMAN SACHS GROUP INC (27.96K), Parvin Asset Management, LLC (22.25K), Ballentine Partners, LLC (21.52K).

55 Institutional Holders

104,678 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	1,125,190	-16,400	-1.44%	$33,339,380.00
ACADIAN ASSET MANAGEMENT LLC	31 Dec, 2025	253,252	-12,140	-4.57%	$7,497.00
BlackRock, Inc.	31 Dec, 2025	244,680	-2,371	-0.96%	$7,249,877.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	91,919	356	0.39%	$2,726,682.00
Vanguard Personalized Indexing Management, LLC	31 Dec, 2025	73,380	2,240	3.15%	$2,175,370.00
Creative Planning	31 Dec, 2025	41,876	-949	-2.22%	$1,240,786.00
RENAISSANCE GROUP LLC	31 Dec, 2025	36,244	-15,150	-29.48%	$1,073,937.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	27,965	830	3.06%	$828,603.00
Parvin Asset Management, LLC	31 Dec, 2025	22,245	-3,100	-12.23%	$659,119.00
Ballentine Partners, LLC	31 Dec, 2025	21,521	1,028	5.02%	$637,723.00
RHUMBLINE ADVISERS	31 Dec, 2025	21,247	-15,838	-42.71%	$630,183.00
SIGNATUREFD, LLC	31 Dec, 2025	21,237	211	1.00%	$629,252.00
UBS Group AG	31 Dec, 2025	18,368	18,291	23,754.55%	$544,244.00
RBF Capital, LLC	31 Dec, 2025	17,930	17,930	0.00%	$531,266.00
CITADEL ADVISORS LLC	31 Dec, 2025	16,268	-4,796	-22.77%	$482,509.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	13,696	659	5.05%	$405,812.00
QUADRANT CAPITAL GROUP LLC	31 Dec, 2025	13,132	1,686	14.73%	$389,102.00
LPL Financial LLC	31 Dec, 2025	11,058	-70	-0.63%	$327,649.00
XY Capital Ltd	31 Dec, 2025	10,596	10,596	0.00%	$313,959.00
Connor, Clark & Lunn Investment Management Ltd.	31 Dec, 2025	8,779	8,779	0.00%	$260,122.00

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