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Equibles

IMOS

Chipmos Technologies Inc

Company with tickers: IMOS

CIK
1123134
CUSIP
16965P202
Shares Outstanding
34,770,906
13F Activity (30d)
57 filings 55 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 73
Total Value: $85,061,580
Total Shares: 2,377,351

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 73 13F filers · Δ vs Dec 31, 2025
Top Holder
47.0%
Jun 2023 → Mar 2026 · range 46.1% – 53.1%
−5.3 pts
Top 5
74.4%
Jun 2023 → Mar 2026 · range 69.6% – 83.2%
−8.7 pts
Top 10
84.9%
Jun 2023 → Mar 2026 · range 83.9% – 92.8%
−5.8 pts
HHI
2,477
Jun 2023 → Mar 2026 · range 2,337 – 3,084
Moderately concentrated −576

Quarterly Activity

vs Dec 31, 2025
New
21
Increased
21
Decreased
14
Sold Out
7
Unchanged
17
Holder count: +14
Institutional value: +33.5%
Shares held: +10.5%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP +10,600 46,000
Mega BlackRock, Inc. +9,646 254,326
Mega CITADEL ADVISORS LLC +8,594 24,862
Mega RHUMBLINE ADVISERS +3,146 24,393
Large Creative Planning +2,953 44,829

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large ACADIAN ASSET MANAGEMENT LLC −27,731 225,521
Mega UBS Group AG −18,367 1
Large RENAISSANCE TECHNOLOGIES LLC −7,200 1,117,990
Mid Vanguard Personalized Indexing Management, LLC −4,670 68,710
Mid RENAISSANCE GROUP LLC −1,064 35,180

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC 79,723 $2,852,488
Mega ENVESTNET ASSET MANAGEMENT INC 54,739 $1,958,561
Large MARSHALL WACE, LLP 32,603 $1,166,534
Mega TWO SIGMA INVESTMENTS, LP 30,221 $1,081,307
Mid Quadrature Capital Ltd 19,933 $713,202

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega GOLDMAN SACHS GROUP INC 27,965 $828,602
Micro XY Capital Ltd 10,596 $313,959
Mid RBF Capital, LLC 8,965 $265,632
Mid Global Retirement Partners, LLC 998 $29,570
Mid NewEdge Advisors, LLC 303 $8,977
Filter: New 21 Increased 21 Reduced 14 Sold out 7 Unchanged 17
Showing 73 of 73
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Large RENAISSANCE TECHNOLOGIES LLC $40,001,682 47.03% 1,117,990
Mega BlackRock, Inc. $9,099,783 10.70% 254,326
Large ACADIAN ASSET MANAGEMENT LLC $8,069,141 9.49% 225,521
Mega DIMENSIONAL FUND ADVISORS LP $3,300,847 3.88% 92,254
Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC $2,852,488 3.35% 79,723
Mid Vanguard Personalized Indexing Management, LLC $2,458,443 2.89% 68,710
Mega ENVESTNET ASSET MANAGEMENT INC $1,958,561 2.30% 54,739
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,645,880 1.93% 46,000
Large Creative Planning $1,603,981 1.89% 44,829
Mid RENAISSANCE GROUP LLC $1,258,740 1.48% 35,180
Large MARSHALL WACE, LLP $1,166,534 1.37% 32,603
Mega TWO SIGMA INVESTMENTS, LP $1,081,307 1.27% 30,221
Mega CITADEL ADVISORS LLC $889,562 1.05% 24,862
Mega RHUMBLINE ADVISERS $872,781 1.03% 24,393
Mid Ballentine Partners, LLC $818,502 0.96% 22,876
Small Parvin Asset Management, LLC $778,930 0.92% 21,770
Mid SIGNATUREFD, LLC $747,694 0.88% 20,897
Mid Quadrature Capital Ltd $713,202 0.84% 19,933
Mid Caprock Group, LLC $586,684 0.69% 16,397
Mid QUADRANT CAPITAL GROUP LLC $486,214 0.57% 13,589
Mega LPL Financial LLC $481,920 0.57% 13,469
Mega BANK OF AMERICA CORP /DE/ Bank $462,349 0.54% 12,922
Mega MILLENNIUM MANAGEMENT LLC $383,883 0.45% 10,729
Large Connor, Clark & Lunn Investment Management Ltd. $362,594 0.43% 10,134
Small LVW Advisors, LLC $339,480 0.40% 9,488
Mega JANE STREET GROUP, LLC $326,063 0.38% 9,113
Mid XTX Topco Ltd $310,069 0.36% 8,666
Large Trexquant Investment LP $267,133 0.31% 7,466
Micro DELPHI MANAGEMENT INC /MA/ $254,395 0.30% 7,110
Mid Parallel Advisors, LLC $226,916 0.27% 6,342
Small Kathmere Capital Management, LLC $203,588 0.24% 5,690
Large LSV ASSET MANAGEMENT $200,368 0.24% 5,600
Mid GAMMA Investing LLC $115,927 0.14% 3,240
Mid Allworth Financial LP $82,079 0.10% 2,294
Small Westside Investment Management, Inc. $77,392 0.09% 2,163
Mid Arax Advisory Partners $76,962 0.09% 2,151
Mega BNP PARIBAS ARBITRAGE, SA $76,569 0.09% 2,140
Mid Smartleaf Asset Management LLC $63,473 0.07% 1,774
Mid Farther Finance Advisors, LLC $56,425 0.07% 1,577
Mega MORGAN STANLEY $48,407 0.06% 1,353
Large US BANCORP \DE\ Bank $27,943 0.03% 781
Small JNBA Financial Advisors $26,835 0.03% 750
Micro Bell Investment Advisors, Inc $23,364 0.03% 653
Mega ROYAL BANK OF CANADA Bank $22,040 0.03% 616
Large ASSETMARK, INC $19,679 0.02% 550
Small Physician Wealth Advisors, Inc. $17,532 0.02% 490
Large NISA INVESTMENT ADVISORS, LLC $16,351 0.02% 457
Large OSAIC HOLDINGS, INC. $15,671 0.02% 438
Large BESSEMER GROUP INC $9,982 0.01% 279
Large Federation des caisses Desjardins du Quebec $9,445 0.01% 264
Large CWM, LLC $7,871 0.01% 220
Small Coston, McIsaac & Partners $7,764 0.01% 217
Mid Larson Financial Group LLC $6,869 0.01% 192
Micro Intentional Wealth Strategies, LLC $5,653 0.01% 158
Small AdvisorNet Financial, Inc $5,367 0.01% 150
Small Crewe Advisors LLC $4,043 0.00% 113
Mid MAI Capital Management $4,007 0.00% 112
Large NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO $3,864 0.00% 108
Small PRIVATE TRUST CO NA Bank $3,399 0.00% 95
Micro Cornerstone Financial Management LLC $2,898 0.00% 81
Mega JPMORGAN CHASE & CO $2,862 0.00% 80
Mid EverSource Wealth Advisors, LLC $2,325 0.00% 65
Small Winch Advisory Services, LLC $2,146 0.00% 60
Large HUNTINGTON NATIONAL BANK Bank $2,111 0.00% 59
Micro Dogwood Wealth Management LLC $1,824 0.00% 51
Micro Moisand Fitzgerald Tamayo, LLC $1,395 0.00% 39
Mid IFP Advisors, Inc $536 0.00% 15
Small Parkside Financial Bank & Trust Bank $393 0.00% 11
Small IMA Advisory Services, Inc. $250 0.00% 7
Mid SBI Securities Co., Ltd. Broker-Dealer $107 0.00% 3
Small Root Financial Partners, LLC $71 0.00% 2
Mega UBS Group AG $35 0.00% 1
Mega WELLS FARGO & COMPANY/MN $0 0.00% 0

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