MF
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Magnetar Financial’s Equifax EFX Stock Holding History

Magnetar Financial’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 		– Sell
-4,105
Closed -$891K – 1217
2025
Q4 		$891K Buy
+4,105
New +$899K 0.01% 458
2025
Q3 		– Sell
-1,680
Closed -$436K – 968
2025
Q2 		$436K Buy
+1,680
New +$427K ﹤0.01% 603
2024
Q4 		– Sell
-21,402
Closed -$6.29M – 664
2024
Q3 		$6.29M Buy
+21,402
New +$6.04M 0.14% 116
2021
Q4 		– Sell
-964
Closed -$244K – 1421
2021
Q3 		$244K Buy
+964
New +$251K ﹤0.01% 1048
2020
Q4 		– Sell
-8,995
Closed -$1.41M – 770
2020
Q3 		$1.41M Buy
+8,995
New +$1.47M 0.02% 302
2020
Q1 		– Sell
-9,855
Closed -$1.38M – 520
2019
Q4 		$1.38M Buy
+9,855
New +$1.37M 0.03% 190
2018
Q3 		– Sell
-5,309
Closed -$664K – 560
2018
Q2 		$664K Buy
+5,309
New +$629K 0.01% 220
2018
Q1 		– Sell
-2,737
Closed -$323K – 636
2017
Q4 		$323K Sell
2,737
-7,196
-72% -$809K 0.01% 491
2017
Q3 		$1.05M Sell
9,933
-1,743
-15% -$230K 0.02% 269
2017
Q2 		$1.6M Buy
11,676
+9,576
+456% +$1.31M 0.02% 271
2017
Q1 		$287K Buy
+2,100
New +$267K ﹤0.01% 577
2016
Q4 		– Sell
-2,525
Closed -$340K – 132
2016
Q3 		$340K Buy
+2,525
New +$335K ﹤0.01% 441
2016
Q2 		– Sell
-2,013
Closed -$230K – 401
2016
Q1 		$230K Buy
+2,013
New +$212K ﹤0.01% 348
2015
Q4 		– Sell
-6,827
Closed -$663K – 390
2015
Q3 		$663K Sell
6,827
-1,564
-19% -$155K 0.01% 171
2015
Q2 		$815K Buy
+8,391
New +$818K 0.01% 195

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

Magnetar Financial's EFX Position: Q1 2026 in Review

Magnetar Financial sold out of Equifax (EFX) in Q1 2026, closing a stake of 4,105 shares — an estimated $891K sold.

Magnetar Financial first reported a position in EFX in Q2 2015 and held it in 15 quarters. The position peaked at $6.29M in Q3 2024. 870 funds tracked by Wall St. Rank hold EFX as of Q1 2026.

  • Magnetar Financial reported no remaining Equifax position as of Q1 2026 after selling out during the quarter.
  • Magnetar Financial sold 4,105 Equifax shares in Q1 2026, an estimated $891K.
  • Magnetar Financial first reported a position in Equifax in Q2 2015 and held it in 15 quarters.
  • Magnetar Financial's Equifax position peaked at $6.29M in Q3 2024.
  • 870 funds tracked by Wall St. Rank held Equifax as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.