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Aigen Investment Management’s QuidelOrtho QDEL Stock Holding History

Aigen Investment Management’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
Q1 		$234K Buy
+14,265
New +$350K 0.06% 393
2022
Q1 		– Sell
-1,594
Closed -$244K – 975
2021
Q4 		$244K Buy
+1,594
New +$222K 0.02% 863
2021
Q3 		– Sell
-4,180
Closed -$536K – 622
2021
Q2 		$536K Sell
4,180
-14,166
-77% -$1.67M 0.09% 222
2021
Q1 		$2.35M Buy
18,346
+14,253
+348% +$2.63M 0.31% 77
2020
Q4 		$735K Buy
+4,093
New +$910K 0.1% 283

Other funds holding QDEL

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
NM
Newtyn Management New York $936M AUM 27.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Aigen Investment Management's QDEL Position: Q1 2026 in Review

Aigen Investment Management opened a new position in QuidelOrtho (QDEL) in Q1 2026: 14,265 shares worth $234K. The stake represents 0.06% of the portfolio and ranks #393 among its holdings. This is a return to the name: Aigen Investment Management previously reported a position in QDEL as recently as Q4 2021.

Aigen Investment Management first reported a position in QDEL in Q4 2020 and has held it in 5 quarters since. The position peaked at $2.35M in Q1 2021. 237 funds tracked by Wall St. Rank hold QDEL as of Q1 2026.

  • Aigen Investment Management held 14,265 shares of QuidelOrtho worth $234K as of Q1 2026.
  • QuidelOrtho was a new Aigen Investment Management position in Q1 2026.
  • QuidelOrtho made up 0.06% of Aigen Investment Management's portfolio in Q1 2026, its #393 holding.
  • Aigen Investment Management first reported a position in QuidelOrtho in Q4 2020 and has held it in 5 quarters since.
  • Aigen Investment Management's QuidelOrtho position peaked at $2.35M in Q1 2021.
  • 237 funds tracked by Wall St. Rank held QuidelOrtho as of Q1 2026.

Based on Aigen Investment Management's 13F filing for Q1 2026, filed 15 May 2026.