Citadel Advisors
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Citadel Advisors’s Tucows TCX Stock Holding History

Citadel Advisors’s Portfolio TCX Stock Details TCX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-38,100
Closed -$707K – 14051
2025
Q3 		$707K Sell
38,100
-2,300
-6% -$44.6K ﹤0.01% 8313
2025
Q2 		$796K Buy
40,400
+37,100
+1,124% +$664K ﹤0.01% 7579
2025
Q1 		$55.7K Sell
3,300
-19,700
-86% -$342K ﹤0.01% 12195
2024
Q4 		$394K Sell
23,000
-23,700
-51% -$421K ﹤0.01% 9086
2024
Q3 		$976K Sell
46,700
-8,300
-15% -$181K ﹤0.01% 6917
2024
Q2 		$1.06M Buy
55,000
+50,300
+1,070% +$967K ﹤0.01% 6462
2024
Q1 		$87.2K Sell
4,700
-600
-11% -$12.6K ﹤0.01% 11537
2023
Q4 		$143K Sell
5,300
-3,600
-40% -$76.6K ﹤0.01% 10452
2023
Q3 		$182K Buy
8,900
+4,400
+98% +$107K ﹤0.01% 10075
2023
Q2 		$125K Buy
4,500
+2,700
+150% +$69.7K ﹤0.01% 10594
2023
Q1 		$35K Buy
1,800
+1,500
+500% +$43.3K ﹤0.01% 12586
2022
Q4 		$10.2K Sell
300
-14,300
-98% -$518K ﹤0.01% 13641
2022
Q3 		$546K Sell
14,600
-9,900
-40% -$455K ﹤0.01% 8270
2022
Q2 		$1.09M Sell
24,500
-15,500
-39% -$821K ﹤0.01% 6825
2022
Q1 		$2.73M Buy
40,000
+1,000
+3% +$73.8K ﹤0.01% 5398
2021
Q4 		$3.27M Buy
39,000
+14,400
+59% +$1.2M ﹤0.01% 5163
2021
Q3 		$1.94M Buy
24,600
+5,400
+28% +$417K ﹤0.01% 6432
2021
Q2 		$1.54M Buy
19,200
+4,700
+32% +$372K ﹤0.01% 7256
2021
Q1 		$1.12M Buy
14,500
+4,400
+44% +$354K ﹤0.01% 7817
2020
Q4 		$746K Sell
10,100
-11,100
-52% -$826K ﹤0.01% 7391
2020
Q3 		$1.46M Sell
21,200
-7,100
-25% -$459K ﹤0.01% 5322
2020
Q2 		$1.62M Buy
28,300
+16,200
+134% +$900K ﹤0.01% 4933
2020
Q1 		$584K Buy
12,100
+8,000
+195% +$448K ﹤0.01% 6211
2019
Q4 		$253K Sell
4,100
-1,600
-28% -$91.2K ﹤0.01% 7845
2019
Q3 		$309K Sell
5,700
-8,000
-58% -$417K ﹤0.01% 7509
2019
Q2 		$836K Sell
13,700
-14,100
-51% -$1.01M ﹤0.01% 5994
2019
Q1 		$2.26M Sell
27,800
-4,000
-13% -$291K ﹤0.01% 4265
2018
Q4 		$1.91M Sell
31,800
-3,400
-10% -$190K ﹤0.01% 4220
2018
Q3 		$1.96M Sell
35,200
-2,300
-6% -$132K ﹤0.01% 4445
2018
Q2 		$2.27M Buy
37,500
+26,000
+226% +$1.62M ﹤0.01% 3915
2018
Q1 		$644K Sell
11,500
-11,900
-51% -$669K ﹤0.01% 5463
2017
Q4 		$1.64M Buy
23,400
+13,600
+139% +$826K ﹤0.01% 3916
2017
Q3 		$574K Sell
9,800
-1,800
-16% -$97.7K ﹤0.01% 5116
2017
Q2 		$621K Sell
11,600
-2,500
-18% -$144K ﹤0.01% 4810
2017
Q1 		$720K Buy
+14,100
New +$647K ﹤0.01% 4474
2016
Q1 		– Sell
-11,200
Closed -$236K – 7922
2015
Q4 		$236K Buy
11,200
+8,000
+250% +$195K ﹤0.01% 5571
2015
Q3 		$74K Buy
+3,200
New +$83.3K ﹤0.01% 7251

Other funds holding TCX

EIG
EdgePoint Investment Group Toronto, Ontario, Canada $12.5B AUM 31.7% 1-Year Est. Return
BFM
Blacksheep Fund Management Co. Dublin, Ireland $247M AUM 8.75% 1-Year Est. Return
Universal-Beteiligungs- und Servicegesellschaft
Universal-Beteiligungs- und Servicegesellschaft Frankfurt Am Main, Germany $58.1B AUM 27.19% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
BBA
Baader Bank Aktiengesellschaft Unterschleissheim, Germany $1.28B AUM 38.1% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Russell Investments Group
Russell Investments Group London, United Kingdom $93.1B AUM 28.26% 1-Year Est. Return

Citadel Advisors's TCX Position: Q1 2026 in Review

Citadel Advisors reduced its Tucows (TCX) stake by 40% in Q1 2026, selling an estimated $296K and leaving 23,090 shares worth $396K. The position accounts for ﹤0.01% of the portfolio, ranked #9835.

Citadel Advisors first reported a position in TCX in Q1 2014 and has held it in 36 quarters since. The position peaked at $2.75M in Q2 2019. 68 funds tracked by Wall St. Rank hold TCX as of Q1 2026.

  • Citadel Advisors held 23,090 shares of Tucows worth $396K as of Q1 2026.
  • Citadel Advisors sold 15,078 Tucows shares in Q1 2026, an estimated $296K.
  • Tucows made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #9835 holding.
  • Citadel Advisors first reported a position in Tucows in Q1 2014 and has held it in 36 quarters since.
  • Citadel Advisors's Tucows position peaked at $2.75M in Q2 2019.
  • 68 funds tracked by Wall St. Rank held Tucows as of Q1 2026.

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