PEAK6’s Quest Diagnostics DGX Stock Holding History

PEAK6’s Portfolio DGX Stock Details DGX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$16.5M	Buy	+84,300	New	+$16.4M	0.04%	409
2025 Q3	–	Sell	-5,000	Closed	-$898K	–	3045
2025 Q2	$898K	Sell	5,000 -100	-2%	-$17.4K	﹤0.01%	1862
2025 Q1	$863K	Buy	5,100 +700	+16%	+$115K	﹤0.01%	1833
2024 Q4	$664K	Buy	+4,400	New	+$684K	﹤0.01%	2017

Other funds holding DGX

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

EIG

EdgePoint Investment Group Toronto, Ontario, Canada $12.5B AUM 31.7% 1-Year Est. Return

PEAK6's DGX Position: Q2 2025 in Review

PEAK6 sold out of Quest Diagnostics (DGX) in Q2 2025, closing a stake of 19,310 shares — an estimated $3.35M sold.

PEAK6 first reported a position in DGX in Q1 2025 and held it in 1 quarter. The position peaked at $3.27M in Q1 2025. 990 funds tracked by Wall St. Rank hold DGX as of Q2 2025.

PEAK6 reported no remaining Quest Diagnostics position as of Q2 2025 after selling out during the quarter.
PEAK6 sold 19,310 Quest Diagnostics shares in Q2 2025, an estimated $3.35M.
PEAK6 first reported a position in Quest Diagnostics in Q1 2025 and held it in 1 quarter.
PEAK6's Quest Diagnostics position peaked at $3.27M in Q1 2025.
990 funds tracked by Wall St. Rank held Quest Diagnostics as of Q2 2025.

Based on PEAK6's 13F filing for Q2 2025, filed 14 Aug 2025.