Simplex Trading
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Simplex Trading’s Equifax EFX Stock Holding History

Simplex Trading’s Portfolio EFX Stock Details EFX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$180K Sell
1,000
-4,900
-83% -$973K ﹤0.01% 4425
2025
Q4 		$1.28M Sell
5,900
-300
-5% -$65.7K ﹤0.01% 2388
2025
Q3 		$1.59M Sell
6,200
-8,800
-59% -$2.21M ﹤0.01% 2558
2025
Q2 		$3.89M Buy
15,000
+8,900
+146% +$2.26M ﹤0.01% 1559
2025
Q1 		$1.49M Buy
6,100
+2,300
+61% +$578K ﹤0.01% 2329
2024
Q4 		$968K Buy
3,800
+1,800
+90% +$482K ﹤0.01% 2872
2024
Q3 		$587K Sell
2,000
-4,000
-67% -$1.13M ﹤0.01% 3427
2024
Q2 		$1.45M Sell
6,000
-3,800
-39% -$907K ﹤0.01% 2521
2024
Q1 		$2.62M Sell
9,800
-11,700
-54% -$2.98M ﹤0.01% 2142
2023
Q4 		$5.32M Buy
21,500
+3,100
+17% +$629K ﹤0.01% 1498
2023
Q3 		$3.37M Buy
18,400
+12,400
+207% +$2.53M ﹤0.01% 1622
2023
Q2 		$1.41M Sell
6,000
-69,500
-92% -$14.6M ﹤0.01% 2259
2023
Q1 		$15.3M Sell
75,500
-1,400
-2% -$291K 0.01% 693
2022
Q4 		$14.9M Buy
76,900
+76,700
+38,350% +$14M 0.02% 675
2022
Q3 		$34K Sell
200
-5,200
-96% -$1.02M ﹤0.01% 6921
2022
Q2 		$987K Sell
5,400
-8,500
-61% -$1.7M ﹤0.01% 2638
2022
Q1 		$3.29M Buy
13,900
+1,900
+16% +$448K ﹤0.01% 1611
2021
Q4 		$3.51M Buy
12,000
+8,100
+208% +$2.25M ﹤0.01% 1503
2021
Q3 		$940K Hold
3,900
– – ﹤0.01% 3157
2021
Q2 		$934K Buy
3,900
+3,861
+9,900% +$863K ﹤0.01% 3224
2021
Q1 		$706K Sell
39
-157
-80% -$27.7K ﹤0.01% 2869
2020
Q4 		$3.78M Buy
196
+11
+6% +$1.85K ﹤0.01% 1199
2020
Q3 		$2.9M Buy
185
+97
+110% +$15.9K ﹤0.01% 1230
2020
Q2 		$1.51M Sell
88
-182
-67% -$27K ﹤0.01% 1753
2020
Q1 		$3.23M Buy
270
+62
+30% +$9.02K 0.01% 940
2019
Q4 		$2.91M Sell
208
-24
-10% -$3.33K 0.01% 1180
2019
Q3 		$3.26M Sell
232
-51
-18% -$7.19K 0.01% 963
2019
Q2 		$3.83M Sell
283
-21
-7% -$2.63K 0.01% 844
2019
Q1 		$3.6M Buy
304
+227
+295% +$24.2K 0.01% 912
2018
Q4 		$717K Buy
77
+21
+38% +$2.23K ﹤0.01% 1912
2018
Q3 		$731K Sell
56
-258
-82% -$33.6K ﹤0.01% 2203
2018
Q2 		$3.93M Sell
314
-392
-56% -$46.5K 0.02% 681
2018
Q1 		$107K Sell
706
-420
-37% -$50.4K ﹤0.01% 1752
2017
Q4 		$215K Buy
1,126
+320
+40% +$36K 0.01% 1219
2017
Q3 		$419K Buy
806
+775
+2,500% +$102K 0.02% 761
2017
Q2 		$8K Buy
31
+19
+158% +$2.61K ﹤0.01% 4154
2017
Q1 		$1K Sell
12
-32
-73% -$4.07K ﹤0.01% 5607
2016
Q4 		$16K Sell
44
-32
-42% -$3.91K ﹤0.01% 3235
2016
Q3 		$7K Sell
76
-267
-78% -$35.4K ﹤0.01% 3930
2016
Q2 		$14K Buy
343
+299
+680% +$36.2K ﹤0.01% 3230
2016
Q1 		$1K Sell
44
-85
-66% -$8.94K ﹤0.01% 5066
2015
Q4 		$6K Buy
129
+119
+1,190% +$12.9K ﹤0.01% 3715
2015
Q3 		$1K Buy
+10
New +$993 ﹤0.01% 4975
2015
Q2 		– Sell
-110
Closed -$3K – 5323
2015
Q1 		$3K Buy
+110
New +$9.76K ﹤0.01% 3836

Other funds holding EFX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Harris Associates
Harris Associates Chicago, Illinois $75B AUM 11.27% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
SCP
Soroban Capital Partners New York $51.8B AUM 21.41% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Brown Advisory
Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return

Simplex Trading's EFX Position: Q1 2026 in Review

Simplex Trading sold out of Equifax (EFX) in Q1 2026, closing a stake of 1,587 shares — an estimated $315K sold.

Simplex Trading first reported a position in EFX in Q1 2015 and held it in 24 quarters. The position peaked at $2.64M in Q4 2020. 870 funds tracked by Wall St. Rank hold EFX as of Q1 2026.

  • Simplex Trading reported no remaining Equifax position as of Q1 2026 after selling out during the quarter.
  • Simplex Trading sold 1,587 Equifax shares in Q1 2026, an estimated $315K.
  • Simplex Trading first reported a position in Equifax in Q1 2015 and held it in 24 quarters.
  • Simplex Trading's Equifax position peaked at $2.64M in Q4 2020.
  • 870 funds tracked by Wall St. Rank held Equifax as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.