VPIM
IMOS

Vanguard Personalized Indexing Management’s ChipMOS TECHNOLOGIES IMOS Stock Holding History

Vanguard Personalized Indexing Management’s Portfolio IMOS Stock Details IMOS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.46M Sell
68,710
-4,670
-6% -$176K 0.02% 534
2025
Q4 		$2.18M Buy
73,380
+2,240
+3% +$55.8K 0.02% 567
2025
Q3 		$1.36M Buy
71,140
+1,949
+3% +$34.3K 0.01% 762
2025
Q2 		$1.25M Buy
69,191
+27,617
+66% +$489K 0.01% 767
2025
Q1 		$700K Buy
41,574
+3,868
+10% +$73.7K 0.01% 956
2024
Q4 		$710K Sell
37,706
-9,581
-20% -$199K 0.01% 947
2024
Q3 		$1.11M Sell
47,287
-7,759
-14% -$185K 0.02% 721
2024
Q2 		$1.43M Buy
55,046
+2,319
+4% +$64.8K 0.03% 525
2024
Q1 		$1.66M Buy
52,727
+5,136
+11% +$146K 0.04% 445
2023
Q4 		$1.29M Sell
47,591
-7,477
-14% -$188K 0.03% 511
2023
Q3 		$1.27M Buy
55,068
+9,026
+20% +$210K 0.04% 448
2023
Q2 		$1.09M Buy
46,042
+6,633
+17% +$166K 0.03% 527
2023
Q1 		$990K Buy
39,409
+4,618
+13% +$108K 0.03% 535
2022
Q4 		$746K Sell
34,791
-4,041
-10% -$83.1K 0.03% 632
2022
Q3 		$720K Buy
38,832
+9,525
+33% +$215K 0.03% 629
2022
Q2 		$732K Buy
29,307
+13,708
+88% +$445K 0.03% 619
2022
Q1 		$554K Buy
15,599
+4,676
+43% +$163K 0.03% 787
2021
Q4 		$384K Buy
10,923
+1,551
+17% +$51.6K 0.02% 789
2021
Q3 		$321K Buy
9,372
+1,807
+24% +$70K 0.03% 735
2021
Q2 		$257K Buy
7,565
+542
+8% +$17.9K 0.03% 796
2021
Q1 		$222K Buy
+7,023
New +$188K 0.03% 636

Other funds holding IMOS

Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
OSAM
O'Shaughnessy Asset Management Stamford, Connecticut $20.1B AUM 30.42% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $374B AUM 17.66% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $147B AUM 18.73% 1-Year Est. Return
RG
Renaissance Group Covington, Kentucky $2.39B AUM 27.81% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Vanguard Personalized Indexing Management's IMOS Position: Q1 2026 in Review

Vanguard Personalized Indexing Management reduced its ChipMOS TECHNOLOGIES (IMOS) stake by 6.4% in Q1 2026, selling an estimated $176K and leaving 68,710 shares worth $2.46M. The position accounts for 0.02% of the portfolio, ranked #534.

Vanguard Personalized Indexing Management first reported a position in IMOS in Q1 2021 and has held it in 21 quarters since. 72 funds tracked by Wall St. Rank hold IMOS as of Q1 2026.

  • Vanguard Personalized Indexing Management held 68,710 shares of ChipMOS TECHNOLOGIES worth $2.46M as of Q1 2026.
  • Vanguard Personalized Indexing Management sold 4,670 ChipMOS TECHNOLOGIES shares in Q1 2026, an estimated $176K.
  • ChipMOS TECHNOLOGIES made up 0.02% of Vanguard Personalized Indexing Management's portfolio in Q1 2026, its #534 holding.
  • Vanguard Personalized Indexing Management first reported a position in ChipMOS TECHNOLOGIES in Q1 2021 and has held it in 21 quarters since.
  • 72 funds tracked by Wall St. Rank held ChipMOS TECHNOLOGIES as of Q1 2026.

Based on Vanguard Personalized Indexing Management's 13F filing for Q1 2026, filed 14 May 2026.