PEAK6’s Equifax EFX Stock Holding History

PEAK6’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	–	Sell	-258	Closed	-$46.5K	–	2855
2026 Q1	$46.5K	Sell	258 -37	-13%	-$7.35K	﹤0.01%	2468
2025 Q4	$64K	Sell	295 -11,997	-98%	-$2.63M	﹤0.01%	2577
2025 Q3	$3.15M	Sell	12,292 -3,242	-21%	-$815K	﹤0.01%	1256
2025 Q2	$4.03M	Buy	15,534 +15,527	+221,814%	+$3.95M	0.01%	1065
2025 Q1	$1.66K	Buy	+7	New	+$1.76K	﹤0.01%	2848

Other funds holding EFX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Harris Associates Chicago, Illinois $75.4B AUM 14.46% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

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 Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Brown Advisory Baltimore, Maryland $64.6B AUM 18.98% 1-Year Est. Return

PEAK6's EFX Position: Q2 2026 in Review

PEAK6 sold out of Equifax (EFX) in Q2 2026, closing a stake of 258 shares — an estimated $46.5K sold.

PEAK6 first reported a position in EFX in Q1 2025 and held it in 5 quarters. The position peaked at $4.03M in Q2 2025. 838 funds tracked by Wall St. Rank hold EFX as of Q2 2026.

PEAK6 reported no remaining Equifax position as of Q2 2026 after selling out during the quarter.
PEAK6 sold 258 Equifax shares in Q2 2026, an estimated $46.5K.
PEAK6 first reported a position in Equifax in Q1 2025 and held it in 5 quarters.
PEAK6's Equifax position peaked at $4.03M in Q2 2025.
838 funds tracked by Wall St. Rank held Equifax as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.