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 		$648K Sell
3,600
-6,100
-63% -$1.21M ﹤0.01% 2964
2025
Q4 		$2.1M Sell
9,700
-4,600
-32% -$1.01M ﹤0.01% 1935
2025
Q3 		$3.67M Buy
14,300
+5,100
+55% +$1.28M ﹤0.01% 1740
2025
Q2 		$2.39M Buy
9,200
+3,400
+59% +$865K ﹤0.01% 1941
2025
Q1 		$1.41M Buy
5,800
+4,500
+346% +$1.13M ﹤0.01% 2370
2024
Q4 		$331K Sell
1,300
-16,100
-93% -$4.31M ﹤0.01% 3966
2024
Q3 		$5.11M Sell
17,400
-7,800
-31% -$2.2M ﹤0.01% 1471
2024
Q2 		$6.11M Buy
25,200
+6,200
+33% +$1.48M ﹤0.01% 1307
2024
Q1 		$5.08M Sell
19,000
-19,200
-50% -$4.89M ﹤0.01% 1596
2023
Q4 		$9.45M Buy
38,200
+7,100
+23% +$1.44M 0.01% 1123
2023
Q3 		$5.7M Buy
31,100
+17,800
+134% +$3.63M ﹤0.01% 1254
2023
Q2 		$3.13M Buy
13,300
+11,400
+600% +$2.4M ﹤0.01% 1629
2023
Q1 		$385K Sell
1,900
-4,700
-71% -$978K ﹤0.01% 3550
2022
Q4 		$1.28M Buy
6,600
+2,400
+57% +$439K ﹤0.01% 2240
2022
Q3 		$720K Buy
4,200
+1,700
+68% +$333K ﹤0.01% 3043
2022
Q2 		$456K Sell
2,500
-101,300
-98% -$20.3M ﹤0.01% 3546
2022
Q1 		$24.6M Buy
103,800
+91,000
+711% +$21.4M 0.02% 466
2021
Q4 		$3.75M Buy
12,800
+4,400
+52% +$1.22M ﹤0.01% 1444
2021
Q3 		$2.02M Hold
8,400
– – ﹤0.01% 2120
2021
Q2 		$2.01M Buy
8,400
+8,361
+21,438% +$1.87M ﹤0.01% 2150
2021
Q1 		$706K Sell
39
-15
-28% -$2.65K ﹤0.01% 2868
2020
Q4 		$1.04M Buy
54
+5
+10% +$841 ﹤0.01% 2510
2020
Q3 		$768K Sell
49
-70
-59% -$11.5K ﹤0.01% 2537
2020
Q2 		$2.04M Sell
119
-105
-47% -$15.6K ﹤0.01% 1487
2020
Q1 		$2.67M Sell
224
-61
-21% -$8.87K ﹤0.01% 1067
2019
Q4 		$3.99M Sell
285
-173
-38% -$24K 0.01% 947
2019
Q3 		$6.44M Buy
458
+230
+101% +$32.4K 0.02% 586
2019
Q2 		$3.08M Buy
228
+172
+307% +$21.6K 0.01% 995
2019
Q1 		$663K Sell
56
-63
-53% -$6.72K ﹤0.01% 2365
2018
Q4 		$1.11M Sell
119
-24
-17% -$2.55K ﹤0.01% 1553
2018
Q3 		$1.87M Sell
143
-47
-25% -$6.12K 0.01% 1311
2018
Q2 		$2.38M Sell
190
-898
-83% -$106K 0.01% 1018
2018
Q1 		$99K Buy
1,088
+745
+217% +$89.4K ﹤0.01% 1812
2017
Q4 		$359K Sell
343
-908
-73% -$102K 0.02% 890
2017
Q3 		$760K Buy
1,251
+1,240
+11,273% +$164K 0.03% 478
2017
Q2 		$1K Sell
11
-129
-92% -$17.7K ﹤0.01% 5571
2017
Q1 		$35K Buy
140
+119
+567% +$15.1K ﹤0.01% 2688
2016
Q4 		$2K Buy
+21
New +$2.57K ﹤0.01% 5014
2016
Q3 		– Sell
-22
Closed -$2K – 5924
2016
Q2 		$2K Sell
22
-20
-48% -$2.42K ﹤0.01% 4904
2016
Q1 		$65K Buy
42
+40
+2,000% +$4.21K 0.01% 1726
2015
Q4 		$2K Buy
+2
New +$216 ﹤0.01% 4473
2015
Q1 		– Sell
-5
Closed -$3K – 5065
2014
Q4 		$3K Buy
+5
New +$387 ﹤0.01% 3446

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.