Ken Griffin’s Thomson Reuters TRI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$12.2M Buy
133,870
+40,738
+44% +$4.3M ﹤0.01% 2971
2025
Q4
$12.5M Sell
93,132
-332,419
-78% -$48.1M ﹤0.01% 2959
2025
Q3
$67.1M Buy
425,551
+377,483
+785% +$70.4M 0.01% 1119
2025
Q2
$9.82M Sell
48,068
-873,993
-95% -$166M ﹤0.01% 3046
2025
Q1
$162M Sell
922,061
-491,866
-35% -$84.9M 0.03% 452
2024
Q4
$230M Buy
1,413,927
+98,523
+7% +$16.6M 0.04% 351
2024
Q3
$228M Buy
1,315,404
+121,115
+10% +$20.4M 0.04% 325
2024
Q2
$204M Buy
1,194,289
+628,190
+111% +$104M 0.04% 339
2024
Q1
$89.6M Buy
566,099
+88,191
+18% +$13.7M 0.02% 770
2023
Q4
$71M Buy
477,908
+387,753
+430% +$52.4M 0.01% 906
2023
Q3
$11.2M Buy
90,155
+61,873
+219% +$8.16M ﹤0.01% 2543
2023
Q2
$3.88M Buy
28,282
+28,277
+565,540% +$3.79M ﹤0.01% 4033
2023
Q1
$651 Buy
+5
New +$637 ﹤0.01% 14445
2022
Q4
Sell
-808,137
Closed -$93.1M 15466
2022
Q3
$87.4M Buy
808,137
+279,744
+53% +$32.4M 0.02% 675
2022
Q2
$58M Sell
528,393
-32,707
-6% -$3.46M 0.01% 906
2022
Q1
$64.4M Buy
561,100
+524,530
+1,434% +$58.6M 0.01% 935
2021
Q4
$4.61M Sell
36,570
-360,604
-91% -$44.9M ﹤0.01% 4459
2021
Q3
$46.2M Buy
397,174
+385,097
+3,189% +$44.9M 0.01% 1202
2021
Q2
$1.26M Sell
12,077
-260,829
-96% -$26.1M ﹤0.01% 7735
2021
Q1
$25.2M Sell
272,906
-254,110
-48% -$22.6M 0.01% 1702
2020
Q4
$45.5M Buy
527,016
+505,873
+2,393% +$43.3M 0.01% 1020
2020
Q3
$1.78M Sell
21,143
-1,622,582
-99% -$126M ﹤0.01% 4934
2020
Q2
$118M Buy
1,643,725
+29,720
+2% +$2.15M 0.04% 344
2020
Q1
$115M Buy
1,614,005
+833,777
+107% +$65M 0.05% 292
2019
Q4
$58.9M Sell
780,228
-182,322
-19% -$13.3M 0.03% 679
2019
Q3
$67.8M Buy
962,550
+637,567
+196% +$45.3M 0.03% 585
2019
Q2
$22.1M Sell
324,983
-388,672
-54% -$25.7M 0.01% 1343
2019
Q1
$44.5M Sell
713,655
-529,732
-43% -$29.6M 0.02% 750
2018
Q4
$63.3M Sell
1,243,387
-1,658,122
-57% -$88.9M 0.03% 505
2018
Q3
$154M Buy
2,901,509
+2,793,487
+2,586% +$140M 0.07% 258
2018
Q2
$5.06M Sell
108,022
-4,422
-4% -$203K ﹤0.01% 2759
2018
Q1
$5.04M Sell
112,444
-74,672
-40% -$3.57M ﹤0.01% 2443
2017
Q4
$9.47M Sell
187,116
-875,023
-82% -$45.8M 0.01% 1792
2017
Q3
$56.6M Buy
1,062,139
+656,156
+162% +$35M 0.04% 487
2017
Q2
$21.8M Buy
405,983
+46,548
+13% +$2.39M 0.02% 951
2017
Q1
$18M Buy
+359,435
New +$18.4M 0.02% 1038
2016
Q4
Sell
-30,139
Closed -$1.47M 7844
2016
Q3
$1.45M Sell
30,139
-44,207
-59% -$2.14M ﹤0.01% 3369
2016
Q2
$3.48M Buy
74,346
+64,524
+657% +$3.07M ﹤0.01% 2157
2016
Q1
$461K Sell
9,822
-39,920
-80% -$1.72M ﹤0.01% 4524
2015
Q4
$2.19M Buy
+49,742
New +$2.31M ﹤0.01% 2641
2015
Q3
Sell
-132,281
Closed -$5.84M 9235
2015
Q2
$5.84M Buy
132,281
+108,590
+458% +$5.09M 0.01% 1909
2015
Q1
$1.11M Sell
23,691
-113,599
-83% -$5.22M ﹤0.01% 3782
2014
Q4
$6.43M Sell
137,290
-202,045
-60% -$8.95M 0.01% 1754
2014
Q3
$14.3M Buy
339,335
+239,091
+239% +$10.3M 0.02% 1124
2014
Q2
$4.23M Buy
100,244
+23,930
+31% +$979K ﹤0.01% 1990
2014
Q1
$3.03M Buy
76,314
+51,893
+212% +$2.13M ﹤0.01% 2212
2013
Q4
$1.07M Buy
24,421
+17,941
+277% +$766K ﹤0.01% 3159
2013
Q3
$263K Sell
6,480
-4,529
-41% -$180K ﹤0.01% 4500
2013
Q2
$416K Buy
+11,009
New +$426K ﹤0.01% 4009

Other funds holding TRI

Ken Griffin's TRI Position: Q1 2026 in Review

Ken Griffin increased its Thomson Reuters (TRI) stake by 44% in Q1 2026, buying an estimated $4.3M and bringing the position to 133,870 shares worth $12.2M. The position accounts for ﹤0.01% of the portfolio, ranked #2971.

Ken Griffin first reported a position in TRI in Q2 2013 and has held it in 49 quarters since. The position peaked at $230M in Q4 2024. 470 funds tracked by Wall St. Rank hold TRI as of Q1 2026.

  • Ken Griffin held 133,870 shares of Thomson Reuters worth $12.2M as of Q1 2026.
  • Ken Griffin bought 40,738 Thomson Reuters shares in Q1 2026, an estimated $4.3M.
  • Thomson Reuters made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #2971 holding.
  • Ken Griffin first reported a position in Thomson Reuters in Q2 2013 and has held it in 49 quarters since.
  • Ken Griffin's Thomson Reuters position peaked at $230M in Q4 2024.
  • 470 funds tracked by Wall St. Rank held Thomson Reuters as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.