QUIDELORTHO CORP (QDEL) Institutional Shareholders
QUIDELORTHO CORP (QDEL) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $1.23B in QDEL holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of QDEL tracked by InsiderSet, reporting ownership valued at approximately $171.68M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $175.23M, representing an estimated gain of +2.07% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 59% of the total disclosed QDEL value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Fmr Llc, Newtyn Management, Llc, and several other long-term asset managers with concentrated positions in QUIDELORTHO CORP (QDEL).
This page ranks the largest institutional QDEL shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
235
Total Reported Value
$1.23B
Largest Holder
Blackrock, Inc.
Largest Position
$171.68M
Insider Transactions (90d)
22
Latest Filing Quarter
Q2 2026
New Institutional Positions
107
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 10,449,127 | $171,679,157 | $175,231,860 | +$3,552,703 | +2.07% | |
| Fmr Llc | 0.01% | 6,591,152 | $108,292,620 | $110,533,619 | +$2,240,999 | +2.07% | |
| Newtyn Management, Llc | 8.00% | 4,558,472 | $74,895,695 | $76,445,575 | +$1,549,880 | +2.07% | |
| Vanguard Portfolio Management Llc | 0.00% | 4,031,768 | $66,241,948 | $67,612,749 | +$1,370,801 | +2.07% | |
| Rubric Capital Management Lp | 0.67% | 3,306,281 | $54,322,197 | $55,446,332 | +$1,124,135 | +2.07% | |
| Invesco Ltd. | 0.01% | 3,117,469 | $51,220,016 | $52,279,955 | +$1,059,939 | +2.07% | |
| Vanguard Capital Management Llc | 0.00% | 3,052,710 | $50,156,025 | $51,193,947 | +$1,037,922 | +2.07% | |
| Dimensional Fund Advisors Lp | 0.01% | 3,048,768 | $50,085,237 | $51,127,839 | +$1,042,602 | +2.08% | |
| American Century Companies Inc | 0.02% | 2,856,132 | $46,926,249 | $47,897,334 | +$971,085 | +2.07% | |
| State Street Corp | 0.00% | 2,786,621 | $45,784,183 | $46,731,634 | +$947,451 | +2.07% | |
| Goldman Sachs Group Inc | 0.01% | 2,412,411 | $39,635,913 | $40,456,132 | +$820,219 | +2.07% | |
| Private Management Group Inc | 0.96% | 2,070,391 | $36,262,907 | $34,720,457 | -$1,542,450 | -4.25% | |
| Frontier Capital Management Co Llc | 0.30% | 1,752,613 | $28,795,432 | $29,391,320 | +$595,888 | +2.07% | |
| Geode Capital Management, Llc | 0.00% | 1,715,199 | $28,185,942 | $28,763,887 | +$577,945 | +2.05% | |
| Neuberger Berman Group Llc | 0.02% | 1,530,414 | $25,093,765 | $25,665,043 | +$571,278 | +2.28% | |
| Paradigm Capital Management Inc/Ny | 0.96% | 1,525,900 | $25,070,537 | $25,589,343 | +$518,806 | +2.07% | |
| Rice Hall James & Associates, Llc | 0.94% | 1,026,420 | $16,864,081 | $17,213,063 | +$348,982 | +2.07% | |
| Morgan Stanley | 0.00% | 1,023,510 | $16,816,278 | $17,164,263 | +$347,985 | +2.07% | |
| Allianz Asset Management Gmbh | 0.02% | 1,006,337 | $16,534,117 | $16,876,271 | +$342,154 | +2.07% | |
| Silvercrest Asset Management Group Llc | 0.11% | 892,407 | $14,662,265 | $14,965,665 | +$303,400 | +2.07% | |
| Charles Schwab Investment Management Inc | 0.00% | 830,059 | $13,637,869 | $13,920,089 | +$282,220 | +2.07% | |
| Point72 Asset Management, L.P. | 0.02% | 762,169 | $12,522,437 | $12,781,574 | +$259,137 | +2.07% | |
| Northern Trust Corp | 0.00% | 689,794 | $11,333,315 | $11,567,845 | +$234,530 | +2.07% | |
| Skylands Capital, Llc | 1.21% | 560,414 | $9,818,453 | $9,398,143 | -$420,310 | -4.28% | |
| Ubs Group Ag | 0.00% | 542,002 | $8,905,093 | $9,089,374 | +$184,281 | +2.07% | |
| Gem Investment Advisors, Llc | 3.69% | 393,385 | $7,636,529 | $6,597,066 | -$1,039,463 | -13.61% | |
| Vanguard Fiduciary Trust Co | 0.00% | 454,514 | $7,467,665 | $7,622,200 | +$154,535 | +2.07% | |
| Bank Of New York Mellon Corp | 0.00% | 427,645 | $7,026,200 | $7,171,607 | +$145,407 | +2.07% | |
| Aristotle Capital Boston, Llc | 0.43% | 420,402 | $6,930,273 | $7,050,142 | +$119,869 | +1.73% | |
| Bridgeway Capital Management, Llc | 0.14% | 409,427 | $6,726,886 | $6,866,091 | +$139,205 | +2.07% | |
| Gagnon Securities Llc | 1.53% | 403,325 | $6,626,630 | $6,763,760 | +$137,130 | +2.07% | |
| Sio Capital Management, Llc | 0.85% | 359,011 | $5,898,551 | $6,020,614 | +$122,063 | +2.07% | |
| Principal Financial Group Inc | 0.00% | 331,184 | $5,441,353 | $5,553,956 | +$112,603 | +2.07% | |
| Lightrock Netherlands B.V. | 1.10% | 314,547 | $5,168,007 | $5,274,953 | +$106,946 | +2.07% | |
| Bayberry Capital Partners Lp | 1.53% | 282,600 | $4,643,118 | $4,739,202 | +$96,084 | +2.07% | |
| Millennium Management Llc | 0.00% | 282,217 | $4,636,825 | $4,732,779 | +$95,954 | +2.07% | |
| D. E. Shaw & Co., Inc. | 0.00% | 274,699 | $4,513,305 | $4,606,702 | +$93,397 | +2.07% | |
| Sei Investments Co | 0.00% | 269,178 | $4,422,711 | $4,514,115 | +$91,404 | +2.07% | |
| Td Asset Management Inc | 0.00% | 261,268 | $4,292,633 | $4,381,464 | +$88,831 | +2.07% | |
| Ameriprise Financial Inc | 0.00% | 254,497 | $4,181,385 | $4,267,915 | +$86,530 | +2.07% | |
| Empowered Funds, Llc | 0.03% | 254,217 | $4,176,786 | $4,263,219 | +$86,433 | +2.07% | |
| Gamco Investors, Inc. Et Al | 0.04% | 253,900 | $4,171,577 | $4,257,903 | +$86,326 | +2.07% | |
| Stanley Capital Management, Llc | 0.69% | 252,000 | $4,140,360 | $4,226,040 | +$85,680 | +2.07% | |
| Public Sector Pension Investment Board | 0.01% | 243,017 | $3,992,769 | $4,075,395 | +$82,626 | +2.07% | |
| Monaco Asset Management Sam | 1.27% | 242,595 | $3,985,836 | $4,068,318 | +$82,482 | +2.07% | |
| Tudor Investment Corp Et Al | 0.02% | 234,509 | $3,852,983 | $3,932,716 | +$79,733 | +2.07% | |
| Systematic Financial Management Lp | 0.09% | 225,853 | $3,710,775 | $3,787,555 | +$76,780 | +2.07% | |
| Nuveen, Llc | 0.00% | 224,156 | $3,682,883 | $3,759,096 | +$76,213 | +2.07% | |
| Tejara Capital Ltd | 1.17% | 216,090 | $3,550,359 | $3,623,829 | +$73,470 | +2.07% | |
| Susquehanna Portfolio Strategies, Llc | 0.05% | 213,637 | $3,510,056 | $3,582,692 | +$72,636 | +2.07% |
Frequently asked questions about QDEL
Who owns the most QDEL stock?
The largest holders of QDEL are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for QUIDELORTHO CORP (QDEL).
Is QDEL widely held by superinvestors?
Many widely followed stocks like QDEL appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly QDEL is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.