AIM
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Aigen Investment Management’s Equifax EFX Stock Holding History

Aigen Investment Management’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
Q2 		$2.67M Buy
+16,836
New +$2.87M 0.73% 26
2026
Q1 		– Sell
-5,906
Closed -$1.28M – 596
2025
Q4 		$1.28M Buy
5,906
+2,941
+99% +$644K 0.3% 87
2025
Q3 		$761K Buy
+2,965
New +$745K 0.12% 269
2024
Q4 		– Sell
-1,328
Closed -$390K – 799
2024
Q3 		$390K Buy
+1,328
New +$375K 0.08% 383
2024
Q2 		– Sell
-1,813
Closed -$485K – 844
2024
Q1 		$485K Buy
+1,813
New +$461K 0.11% 287
2022
Q2 		– Sell
-2,898
Closed -$687K – 579
2022
Q1 		$687K Buy
2,898
+1,638
+130% +$386K 0.12% 226
2021
Q4 		$350K Buy
+1,260
New +$351K 0.02% 742

Other funds holding EFX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Harris Associates
Harris Associates Chicago, Illinois $75.4B AUM 14.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
SCP
Soroban Capital Partners New York $47.8B AUM 11.8% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Brown Advisory
Brown Advisory Baltimore, Maryland $64.6B AUM 18.98% 1-Year Est. Return

Aigen Investment Management's EFX Position: Q2 2026 in Review

Aigen Investment Management opened a new position in Equifax (EFX) in Q2 2026: 16,836 shares worth $2.67M. The stake represents 0.73% of the portfolio and ranks #26 among its holdings. This is a return to the name: Aigen Investment Management previously reported a position in EFX as recently as Q4 2025.

Aigen Investment Management first reported a position in EFX in Q4 2021 and has held it in 7 quarters since. 838 funds tracked by Wall St. Rank hold EFX as of Q2 2026.

  • Aigen Investment Management held 16,836 shares of Equifax worth $2.67M as of Q2 2026.
  • Equifax was a new Aigen Investment Management position in Q2 2026.
  • Equifax made up 0.73% of Aigen Investment Management's portfolio in Q2 2026, its #26 holding.
  • Aigen Investment Management first reported a position in Equifax in Q4 2021 and has held it in 7 quarters since.
  • 838 funds tracked by Wall St. Rank held Equifax as of Q2 2026.

Based on Aigen Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.