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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
2022
Q1 		– Sell
-6,000
Closed -$810K – 4004
2021
Q4 		$810K Sell
6,000
-7,100
-54% -$988K ﹤0.01% 2750
2021
Q3 		$1.85M Sell
13,100
-11,300
-46% -$1.52M ﹤0.01% 2061
2021
Q2 		$3.13M Buy
24,400
+13,100
+116% +$1.54M 0.01% 1520
2021
Q1 		$1.45M Buy
11,300
+5,800
+105% +$1.07M ﹤0.01% 1977
2020
Q4 		$988K Buy
5,500
+4,500
+450% +$1M ﹤0.01% 2020
2020
Q3 		$219K Buy
+1,000
New +$223K ﹤0.01% 2766

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.