A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Thermo Fisher Scientific Inc. stock. As of the latest transaction made, Citadel Advisors LLC holds 238,100 shares of TMO stock, worth $133 Million. This represents 0.03% of its overall portfolio holdings.

Number of Shares
238,100
Previous 438,900 45.75%
Holding current value
$133 Million
Previous $233 Million 40.6%
% of portfolio
0.03%
Previous 0.05%

Shares

27 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2024

May 15, 2024

SELL
$528.82 - $599.43 $226 Million - $257 Million
-428,205 Reduced 80.97%
100,670 $58.5 Million
Q4 2023

Feb 14, 2024

BUY
$431.41 - $532.94 $122 Million - $150 Million
281,915 Added 114.15%
528,875 $281 Million
Q3 2023

Nov 14, 2023

BUY
$498.29 - $574.41 $60.4 Million - $69.6 Million
121,162 Added 96.31%
246,960 $125 Million
Q2 2023

Aug 14, 2023

SELL
$508.46 - $591.13 $56.9 Million - $66.2 Million
-111,917 Reduced 47.08%
125,798 $65.6 Million
Q1 2023

May 15, 2023

BUY
$535.0 - $604.82 $46 Million - $52.1 Million
86,060 Added 56.75%
237,715 $137 Million
Q4 2022

Feb 14, 2023

BUY
$484.71 - $571.37 $58.6 Million - $69.1 Million
120,973 Added 394.28%
151,655 $83.5 Million
Q3 2022

Nov 14, 2022

SELL
$507.19 - $604.49 $123 Million - $146 Million
-242,002 Reduced 88.75%
30,682 $15.6 Million
Q2 2022

Aug 15, 2022

BUY
$500.9 - $612.21 $121 Million - $148 Million
241,031 Added 761.48%
272,684 $148 Million
Q1 2022

May 16, 2022

BUY
$524.0 - $644.92 $4.39 Million - $5.4 Million
8,372 Added 35.96%
31,653 $18.7 Million
Q4 2021

Feb 14, 2022

SELL
$569.0 - $667.24 $97.2 Million - $114 Million
-170,824 Reduced 88.01%
23,281 $15.5 Million
Q3 2021

Nov 15, 2021

SELL
$509.53 - $609.78 $95.6 Million - $114 Million
-187,607 Reduced 49.15%
194,105 $111 Million
Q2 2021

Aug 16, 2021

BUY
$441.0 - $508.24 $68.4 Million - $78.8 Million
155,110 Added 68.45%
381,712 $193 Million
Q1 2021

May 17, 2021

BUY
$439.85 - $518.83 $54.8 Million - $64.6 Million
124,572 Added 122.09%
226,602 $103 Million
Q4 2020

Feb 16, 2021

BUY
$435.06 - $527.66 $33 Million - $40 Million
75,824 Added 289.34%
102,030 $47.5 Million
Q3 2020

Nov 16, 2020

SELL
$359.77 - $441.52 $4.41 Million - $5.41 Million
-12,260 Reduced 31.87%
26,206 $11.6 Million
Q2 2020

Aug 14, 2020

SELL
$275.2 - $362.34 $96.5 Million - $127 Million
-350,677 Reduced 90.12%
38,466 $13.9 Million
Q1 2020

May 15, 2020

BUY
$255.3 - $340.05 $97.6 Million - $130 Million
382,268 Added 5560.26%
389,143 $110 Million
Q4 2019

Feb 14, 2020

SELL
$271.93 - $328.04 $2.7 Million - $3.26 Million
-9,935 Reduced 59.1%
6,875 $2.23 Million
Q3 2019

Nov 14, 2019

SELL
$268.46 - $305.43 $24 Million - $27.3 Million
-89,441 Reduced 84.18%
16,810 $4.9 Million
Q2 2019

Aug 14, 2019

SELL
$257.51 - $295.55 $160 Million - $184 Million
-622,976 Reduced 85.43%
106,251 $31.2 Million
Q1 2019

May 15, 2019

BUY
$212.17 - $273.72 $107 Million - $138 Million
502,851 Added 222.13%
729,227 $0
Q4 2018

Feb 14, 2019

BUY
$208.47 - $251.98 $46.5 Million - $56.2 Million
222,975 Added 6556.16%
226,376 $50.7 Million
Q3 2018

Nov 13, 2018

BUY
$205.57 - $244.32 $498,096 - $591,987
2,423 Added 247.75%
3,401 $0
Q2 2018

Aug 10, 2018

SELL
$203.14 - $219.53 $104 Million - $113 Million
-513,660 Reduced 99.81%
978 $0
Q1 2018

May 11, 2018

BUY
$192.98 - $224.11 $51.2 Million - $59.5 Million
265,537 Added 106.6%
514,638 $106 Million
Q4 2017

Feb 09, 2018

SELL
$182.03 - $200.37 $108 Million - $119 Million
-595,354 Reduced 70.5%
249,101 $47.3 Million
Q3 2017

Nov 09, 2017

BUY
$171.74 - $194.04 $145 Million - $164 Million
844,455
844,455 $160 Million

Others Institutions Holding TMO

About THERMO FISHER SCIENTIFIC INC.


  • Ticker TMO
  • Exchange NYSE
  • Sector Healthcare
  • Industry Diagnostics & Research
  • Shares Outstandng 391,788,992
  • Market Cap $218B
  • Description
  • Thermo Fisher Scientific Inc. offers life sciences solutions, analytical instruments, specialty diagnostics, and laboratory products and service worldwide. The company's Life Sciences Solutions segment offers reagents, instruments, and consumables for biological and medical research, discovery, and production of drugs and vaccines, as well as di...
More about TMO
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