Ostrum Asset Management’s Quest Diagnostics DGX Stock Holding History

Ostrum Asset Management’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 Q2	$3.69M	Hold	17,402	–	–	0.18%	78
2026 Q1	$3.41M	Sell	17,402 -14,769	-46%	-$2.87M	0.19%	75
2025 Q4	$5.58M	Buy	32,171 +1,536	+5%	+$280K	0.27%	50
2025 Q3	$5.84M	Buy	30,635 +1,890	+7%	+$335K	0.26%	61
2025 Q2	$5.16M	Buy	28,745 +2,589	+10%	+$450K	0.24%	66
2025 Q1	$4.43M	Sell	26,156 -4,950	-16%	-$813K	0.23%	75
2024 Q4	$4.69M	Sell	31,106 -6,898	-18%	-$1.07M	0.41%	47
2024 Q3	$5.9M	Sell	38,004 -8,775	-19%	-$1.31M	0.49%	36
2024 Q2	$6.4M	Sell	46,779 -506	-1%	-$69.3K	0.56%	27
2024 Q1	$6.29M	Buy	47,285 +19,468	+70%	+$2.53M	0.5%	29
2023 Q4	$3.84M	Sell	27,817 -10,162	-27%	-$1.34M	0.33%	79
2023 Q3	$4.63M	Buy	37,979 +4,423	+13%	+$589K	0.43%	50
2023 Q2	$4.72M	Sell	33,556 -207	-0.6%	-$28.5K	0.4%	61
2023 Q1	$4.78M	Buy	+33,763	New	+$4.83M	0.42%	56

Other funds holding DGX

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

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

EIG

EdgePoint Investment Group Toronto, Ontario, Canada $13.2B AUM 32.43% 1-Year Est. Return

Ostrum Asset Management's DGX Position: Q2 2026 in Review

Ostrum Asset Management held its Quest Diagnostics (DGX) position steady in Q2 2026 at 17,402 shares worth $3.69M. The position accounts for 0.18% of the portfolio, ranked #78.

Ostrum Asset Management first reported a position in DGX in Q1 2023 and has held it in 14 quarters since. The position peaked at $6.4M in Q2 2024. 1,107 funds tracked by Wall St. Rank hold DGX as of Q2 2026.

Ostrum Asset Management held 17,402 shares of Quest Diagnostics worth $3.69M as of Q2 2026.
Ostrum Asset Management left its Quest Diagnostics share count unchanged in Q2 2026.
Quest Diagnostics made up 0.18% of Ostrum Asset Management's portfolio in Q2 2026, its #78 holding.
Ostrum Asset Management first reported a position in Quest Diagnostics in Q1 2023 and has held it in 14 quarters since.
Ostrum Asset Management's Quest Diagnostics position peaked at $6.4M in Q2 2024.
1,107 funds tracked by Wall St. Rank held Quest Diagnostics as of Q2 2026.

Based on Ostrum Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.