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Vanguard Personalized Indexing Management’s Thermo Fisher Scientific TMO Stock Holding History

Vanguard Personalized Indexing Management’s Portfolio TMO Stock Details TMO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$26M Buy
52,860
+851
+2% +$462K 0.26% 60
2025
Q4 		$30.1M Buy
52,009
+3,338
+7% +$1.89M 0.29% 51
2025
Q3 		$23.6M Buy
48,671
+9,917
+26% +$4.62M 0.24% 65
2025
Q2 		$15.7M Buy
38,754
+16
+0% +$6.69K 0.18% 94
2025
Q1 		$19.3M Buy
38,738
+2,894
+8% +$1.57M 0.28% 53
2024
Q4 		$18.6M Sell
35,844
-3,218
-8% -$1.77M 0.28% 45
2024
Q3 		$24.2M Buy
39,062
+4,436
+13% +$2.63M 0.39% 32
2024
Q2 		$19.1M Buy
34,626
+3,445
+11% +$1.97M 0.36% 34
2024
Q1 		$18.1M Buy
31,181
+6,961
+29% +$3.91M 0.39% 36
2023
Q4 		$12.9M Sell
24,220
-884
-4% -$428K 0.33% 43
2023
Q3 		$12.7M Buy
25,104
+599
+2% +$319K 0.38% 36
2023
Q2 		$12.8M Sell
24,505
-2,219
-8% -$1.2M 0.39% 36
2023
Q1 		$15.4M Buy
26,724
+2,250
+9% +$1.27M 0.54% 25
2022
Q4 		$13.5M Sell
24,474
-2,525
-9% -$1.34M 0.56% 25
2022
Q3 		$13.7M Buy
26,999
+3,109
+13% +$1.74M 0.62% 19
2022
Q2 		$13M Buy
23,890
+5,860
+33% +$3.23M 0.6% 20
2022
Q1 		$10.6M Buy
18,030
+3,777
+26% +$2.17M 0.52% 20
2021
Q4 		$9.51M Buy
14,253
+3,932
+38% +$2.45M 0.56% 20
2021
Q3 		$5.9M Buy
10,321
+1,237
+14% +$679K 0.53% 22
2021
Q2 		$4.58M Buy
9,084
+3,626
+66% +$1.71M 0.48% 24
2021
Q1 		$2.49M Buy
5,458
+377
+7% +$180K 0.38% 47
2020
Q4 		$2.37M Buy
5,081
+842
+20% +$395K 0.51% 34
2020
Q3 		$1.87M Buy
4,239
+1,797
+74% +$742K 0.53% 40
2020
Q2 		$885K Buy
2,442
+652
+36% +$219K 0.4% 52
2020
Q1 		$508K Buy
+1,790
New +$564K 0.3% 94

Other funds holding TMO

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

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

Vanguard Personalized Indexing Management increased its Thermo Fisher Scientific (TMO) stake by 1.6% in Q1 2026, buying an estimated $462K and bringing the position to 52,860 shares worth $26M. The position accounts for 0.26% of the portfolio, ranked #60.

Vanguard Personalized Indexing Management first reported a position in TMO in Q1 2020 and has held it in 25 quarters since. The position peaked at $30.1M in Q4 2025. 2,587 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

  • Vanguard Personalized Indexing Management held 52,860 shares of Thermo Fisher Scientific worth $26M as of Q1 2026.
  • Vanguard Personalized Indexing Management bought 851 Thermo Fisher Scientific shares in Q1 2026, an estimated $462K.
  • Thermo Fisher Scientific made up 0.26% of Vanguard Personalized Indexing Management's portfolio in Q1 2026, its #60 holding.
  • Vanguard Personalized Indexing Management first reported a position in Thermo Fisher Scientific in Q1 2020 and has held it in 25 quarters since.
  • Vanguard Personalized Indexing Management's Thermo Fisher Scientific position peaked at $30.1M in Q4 2025.
  • 2,587 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

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