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John Overdeck’s QuidelOrtho QDEL Stock Holding History

John Overdeck’s Portfolio QDEL Stock Details QDEL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$305K Buy
+17,402
New +$230K ﹤0.01% 4515
2023
Q4 		– Sell
-5,600
Closed -$409K – 3337
2023
Q3 		$409K Sell
5,600
-10,300
-65% -$823K ﹤0.01% 2366
2023
Q2 		$1.32M Sell
15,900
-1,800
-10% -$158K ﹤0.01% 1782
2023
Q1 		$1.58M Sell
17,700
-3,205
-15% -$279K ﹤0.01% 1560
2022
Q4 		$1.79M Buy
+20,905
New +$1.77M 0.01% 1369
2020
Q4 		– Sell
-2,600
Closed -$578K – 3677
2020
Q3 		$570K Buy
+2,600
New +$580K ﹤0.01% 2146
2019
Q3 		– Sell
-44,254
Closed -$2.63M – 3732
2019
Q2 		$2.63M Sell
44,254
-36,305
-45% -$2.18M 0.01% 1257
2019
Q1 		$5.27M Sell
80,559
-2,131
-3% -$129K 0.02% 931
2018
Q4 		$4.04M Sell
82,690
-94,895
-53% -$5.66M 0.02% 900
2018
Q3 		$11.6M Buy
177,585
+23,131
+15% +$1.62M 0.03% 596
2018
Q2 		$10.3M Buy
+154,454
New +$9.33M 0.03% 658
2018
Q1 		– Sell
-41,403
Closed -$1.79M – 3438
2017
Q4 		$1.79M Sell
41,403
-74,197
-64% -$3.03M 0.01% 1544
2017
Q3 		$5.07M Sell
115,600
-44,459
-28% -$1.55M 0.02% 797
2017
Q2 		$4.34M Buy
160,059
+49,594
+45% +$1.23M 0.02% 933
2017
Q1 		$2.5M Buy
110,465
+78,827
+249% +$1.63M 0.01% 1327
2016
Q4 		$678K Sell
31,638
-6,407
-17% -$137K ﹤0.01% 2295
2016
Q3 		$840K Buy
+38,045
New +$812K ﹤0.01% 2082
2016
Q2 		– Sell
-60,025
Closed -$1.04M – 3165
2016
Q1 		$1.04M Sell
60,025
-103,626
-63% -$1.73M ﹤0.01% 1583
2015
Q4 		$3.47M Buy
163,651
+54,954
+51% +$1.12M 0.02% 812
2015
Q3 		$2.05M Sell
108,697
-42,493
-28% -$909K 0.01% 838
2015
Q2 		$3.47M Buy
151,190
+56,590
+60% +$1.32M 0.02% 896
2015
Q1 		$2.55M Buy
94,600
+44,983
+91% +$1.15M 0.01% 1046
2014
Q4 		$1.44M Buy
+49,617
New +$1.34M 0.01% 1191
2013
Q3 		– Sell
-77,289
Closed -$1.97M – 2056
2013
Q2 		$1.97M Buy
+77,289
New +$1.81M 0.01% 880

Other funds holding QDEL

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
NM
Newtyn Management New York $801M AUM 23.14% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

John Overdeck's QDEL Position: Q2 2026 in Review

John Overdeck opened a new position in QuidelOrtho (QDEL) in Q2 2026: 17,402 shares worth $305K. The stake represents ﹤0.01% of the portfolio and ranks #4515 among its holdings. This is a return to the name: John Overdeck previously reported a position in QDEL as recently as Q3 2023.

John Overdeck first reported a position in QDEL in Q2 2013 and has held it in 24 quarters since. The position peaked at $11.6M in Q3 2018. 244 funds tracked by Wall St. Rank hold QDEL as of Q2 2026.

  • John Overdeck held 17,402 shares of QuidelOrtho worth $305K as of Q2 2026.
  • QuidelOrtho was a new John Overdeck position in Q2 2026.
  • QuidelOrtho made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #4515 holding.
  • John Overdeck first reported a position in QuidelOrtho in Q2 2013 and has held it in 24 quarters since.
  • John Overdeck's QuidelOrtho position peaked at $11.6M in Q3 2018.
  • 244 funds tracked by Wall St. Rank held QuidelOrtho as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.