Parallax Volatility Advisers
EFX icon

Parallax Volatility Advisers’s Equifax EFX Stock Holding History

Parallax Volatility Advisers’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 		$180 Buy
+1
New +$199 ﹤0.01% 1404
2025
Q4 		– Sell
-8,031
Closed -$2.06M – 1695
2025
Q3 		$2.06M Buy
+8,031
New +$2.02M ﹤0.01% 912
2022
Q1 		– Sell
-4,917
Closed -$1.16M – 2813
2021
Q4 		$1.44M Buy
4,917
+1,813
+58% +$505K ﹤0.01% 1165
2021
Q3 		$787K Buy
+3,104
New +$807K ﹤0.01% 1401
2020
Q4 		– Sell
-20,977
Closed -$3.29M – 2852
2020
Q3 		$3.29M Buy
20,977
+19,791
+1,669% +$3.24M ﹤0.01% 1502
2020
Q2 		$204K Sell
1,186
-12,054
-91% -$1.79M ﹤0.01% 2228
2020
Q1 		$1.58M Buy
+13,240
New +$1.93M ﹤0.01% 1320
2019
Q3 		– Sell
-15
Closed -$2K – 2543
2019
Q2 		$2K Buy
+15
New +$1.88K ﹤0.01% 2371
2018
Q1 		– Sell
-2,800
Closed -$330K – 2691
2017
Q4 		$330K Buy
+2,800
New +$315K ﹤0.01% 1861
2017
Q1 		– Sell
-552
Closed -$70.2K – 3756
2016
Q4 		$65K Sell
552
-3,054
-85% -$373K ﹤0.01% 2372
2016
Q3 		$485K Buy
+3,606
New +$478K ﹤0.01% 1507
2016
Q1 		– Sell
-2,333
Closed -$245K – 2740
2015
Q4 		$260K Buy
+2,333
New +$252K ﹤0.01% 1796
2015
Q1 		– Sell
-1,632
Closed -$132K – 4597
2014
Q4 		$132K Buy
1,632
+322
+25% +$24.9K ﹤0.01% 3219
2014
Q3 		$98K Sell
1,310
-657
-33% -$50K ﹤0.01% 2898
2014
Q2 		$143K Buy
1,967
+1,561
+384% +$110K ﹤0.01% 2233
2014
Q1 		$28K Buy
+406
New +$28.4K ﹤0.01% 2645

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

Parallax Volatility Advisers's EFX Position: Q1 2026 in Review

Parallax Volatility Advisers opened a new position in Equifax (EFX) in Q1 2026: 1 share worth $180. The stake represents ﹤0.01% of the portfolio and ranks #1404 among its holdings. This is a return to the name: Parallax Volatility Advisers previously reported a position in EFX as recently as Q3 2025.

Parallax Volatility Advisers first reported a position in EFX in Q1 2014 and has held it in 16 quarters since. The position peaked at $3.29M in Q3 2020. 870 funds tracked by Wall St. Rank hold EFX as of Q1 2026.

  • Parallax Volatility Advisers held 1 share of Equifax worth $180 as of Q1 2026.
  • Equifax was a new Parallax Volatility Advisers position in Q1 2026.
  • Equifax made up ﹤0.01% of Parallax Volatility Advisers's portfolio in Q1 2026, its #1404 holding.
  • Parallax Volatility Advisers first reported a position in Equifax in Q1 2014 and has held it in 16 quarters since.
  • Parallax Volatility Advisers's Equifax position peaked at $3.29M in Q3 2020.
  • 870 funds tracked by Wall St. Rank held Equifax as of Q1 2026.

Based on Parallax Volatility Advisers's 13F filing for Q1 2026, filed 15 May 2026.