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Picton Mahoney Asset Management’s Thermo Fisher Scientific TMO Stock Holding History

Picton Mahoney Asset 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 		$21.9M Sell
44,543
-916
-2% -$497K 0.16% 106
2025
Q4 		$26.3M Buy
45,459
+10,382
+30% +$5.87M 0.2% 90
2025
Q3 		$17M Buy
+35,077
New +$16.3M 0.15% 123
2021
Q1 		– Sell
-56,583
Closed -$26.4M – 391
2020
Q4 		$26.4M Buy
56,583
+823
+1% +$386K 1.25% 10
2020
Q3 		$24.6M Sell
55,760
-8,835
-14% -$3.65M 1.36% 9
2020
Q2 		$23.4M Buy
64,595
+2,525
+4% +$846K 1.35% 12
2020
Q1 		$17.6M Sell
62,070
-170
-0.3% -$53.6K 1% 15
2019
Q4 		$20.2M Buy
62,240
+110
+0.2% +$33.4K 1.36% 20
2019
Q3 		$18.1M Buy
62,130
+8,930
+17% +$2.56M 1.27% 23
2019
Q2 		$15.6M Buy
+53,200
New +$14.7M 1.07% 33
2017
Q1 		– Sell
-93,400
Closed -$13.2M – 226
2016
Q4 		$13.2M Sell
93,400
-101,050
-52% -$14.9M 1.08% 33
2016
Q3 		$30.9M Buy
194,450
+2,050
+1% +$316K 2.07% 4
2016
Q2 		$28.4M Sell
192,400
-8,589
-4% -$1.27M 1.75% 11
2016
Q1 		$28.5M Sell
200,989
-22,711
-10% -$3.04M 1.82% 8
2015
Q4 		$31.7M Sell
223,700
-2,900
-1% -$387K 1.9% 8
2015
Q3 		$27.7M Sell
226,600
-2,200
-1% -$287K 1.61% 10
2015
Q2 		$29.7M Buy
228,800
+100
+0% +$13K 1.46% 10
2015
Q1 		$30.7M Sell
228,700
-12,000
-5% -$1.55M 1.18% 15
2014
Q4 		$30.2M Sell
240,700
-700
-0.3% -$85.1K 1.44% 15
2014
Q3 		$29.4K Buy
241,400
+10,500
+5% +$1.28M 1.59% 11
2014
Q2 		$27.2K Sell
230,900
-700
-0.3% -$82.4K 1.6% 12
2014
Q1 		$27.8M Buy
231,600
+68,500
+42% +$8.14M 1.61% 10
2013
Q4 		$18.2M Sell
163,100
-13,700
-8% -$1.36M 1.06% 22
2013
Q3 		$16.3M Sell
176,800
-1,800
-1% -$163K 1.08% 22
2013
Q2 		$15.1M Buy
+178,600
New +$14.9M 1.12% 25

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

Picton Mahoney Asset Management's TMO Position: Q1 2026 in Review

Picton Mahoney Asset Management reduced its Thermo Fisher Scientific (TMO) stake by 2% in Q1 2026, selling an estimated $497K and leaving 44,543 shares worth $21.9M. The position accounts for 0.16% of the portfolio, ranked #106.

Picton Mahoney Asset Management first reported a position in TMO in Q2 2013 and has held it in 25 quarters since. The position peaked at $31.7M in Q4 2015. 2,590 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

  • Picton Mahoney Asset Management held 44,543 shares of Thermo Fisher Scientific worth $21.9M as of Q1 2026.
  • Picton Mahoney Asset Management sold 916 Thermo Fisher Scientific shares in Q1 2026, an estimated $497K.
  • Thermo Fisher Scientific made up 0.16% of Picton Mahoney Asset Management's portfolio in Q1 2026, its #106 holding.
  • Picton Mahoney Asset Management first reported a position in Thermo Fisher Scientific in Q2 2013 and has held it in 25 quarters since.
  • Picton Mahoney Asset Management's Thermo Fisher Scientific position peaked at $31.7M in Q4 2015.
  • 2,590 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on Picton Mahoney Asset Management's 13F filing for Q1 2026, filed 13 May 2026.