Cookson Peirce & Co
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Cookson Peirce & Co’s Quest Diagnostics DGX Stock Holding History

Cookson Peirce & Co’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
Q3 		$36.2M Sell
155,294
-295
-0.2% -$68.2K 1.31% 21
2026
Q2 		$33M Sell
155,589
-753
-0.5% -$148K 1.09% 24
2026
Q1 		$30.6M Sell
156,342
-5,161
-3% -$1M 1.3% 21
2025
Q4 		$28M Sell
161,503
-2,275
-1% -$414K 1.16% 23
2025
Q3 		$31.2M Sell
163,778
-6,032
-4% -$1.07M 1.28% 26
2025
Q2 		$30.5M Sell
169,810
-2,842
-2% -$494K 1.34% 27
2025
Q1 		$29.2M Buy
+172,652
New +$28.4M 1.47% 22
2017
Q4 		– Sell
-63,675
Closed -$5.96M – 155
2017
Q3 		$5.96M Sell
63,675
-22,140
-26% -$2.35M 0.62% 53
2017
Q2 		$9.5M Sell
85,815
-1,690
-2% -$179K 1.08% 36
2017
Q1 		$8.59M Sell
87,505
-1,210
-1% -$115K 1.04% 38
2016
Q4 		$8.15M Sell
88,715
-560
-0.6% -$48.3K 1.13% 31
2016
Q3 		$7.56M Buy
89,275
+60,395
+209% +$5.07M 1.07% 31
2016
Q2 		$2.35M Buy
+28,880
New +$2.2M 0.35% 62

Other funds holding DGX

State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $111B AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Davis Selected Advisers
Davis Selected Advisers Tucson, Arizona $23.2B AUM 18.42% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $179B AUM 29.92% 1-Year Est. Return
M&G plc
M&G plc London, United Kingdom $19.9B AUM 15.09% 1-Year Est. Return

Cookson Peirce & Co's DGX Position: Q3 2026 in Review

Cookson Peirce & Co reduced its Quest Diagnostics (DGX) stake by 0.19% in Q3 2026, selling an estimated $68.2K and leaving 155,294 shares worth $36.2M. The position accounts for 1.31% of the portfolio, ranked #21.

Cookson Peirce & Co first reported a position in DGX in Q2 2016 and has held it in 13 quarters since. 841 funds tracked by Wall St. Rank hold DGX as of Q3 2026.

  • Cookson Peirce & Co held 155,294 shares of Quest Diagnostics worth $36.2M as of Q3 2026.
  • Cookson Peirce & Co sold 295 Quest Diagnostics shares in Q3 2026, an estimated $68.2K.
  • Quest Diagnostics made up 1.31% of Cookson Peirce & Co's portfolio in Q3 2026, its #21 holding.
  • Cookson Peirce & Co first reported a position in Quest Diagnostics in Q2 2016 and has held it in 13 quarters since.
  • 841 funds tracked by Wall St. Rank held Quest Diagnostics as of Q3 2026.

Based on Cookson Peirce & Co's 13F filing for Q3 2026, filed 30 Oct 2026.