QuidelOrtho Corp (QDEL) — Institutional Holders, Q2 2026

248 institutional investment managers reported a QDEL position on SEC Form 13F-HR for the quarter ended June 30, 2026, with a combined reported value of $1.5B. Every filer is listed below, ranked by position value, 100 per page; this page shows ranks 1 to 100. Put and call option positions are excluded, and a firm filing several lots or share classes is shown once with its total.

← QDEL stock profile

QDEL in Q2 2026: what funds did

Funds that filed a 13F for both Q1 2026 and Q2 2026, by what they did with the common stock. Share counts are adjusted for any split between the two quarters; dollar figures are the change in shares at this quarter’s price.

New positions

Added to

Trimmed

Sold out

Biggest buyers

Newtyn ManagementAdded · +2,066,528 sh+$36.2M
Neuberger Berman GroupAdded · +2,004,205 sh+$35.1M
SEGALL BRYANT & HAMILLNew · +1,345,530 sh+$23.6M
PARADIGM CAPITAL MANAGEMENTAdded · +995,800 sh+$17.4M
Buckley Capital AdvisorsNew · +850,335 sh+$14.9M

Biggest sellers

T. Rowe Price Investment ManagementTrimmed · -3,886,402 sh-$68.1M
DIMENSIONAL FUND ADVISORSTrimmed · -1,795,085 sh-$31.4M
FRONTIER CAPITAL MANAGEMENTSold out · -1,752,613 sh-$30.7M
GOLDMAN SACHS GROUPTrimmed · -1,347,667 sh-$23.6M
SILVERCREST ASSET MANAGEMENT GROUPSold out · -892,407 sh-$15.6M

QDEL 13F holders ranked 1–100 of 248

Institutional investors reporting a position in QuidelOrtho Corp on SEC Form 13F-HR for Q2 2026, ranked by reported value.
#	Institution	Shares	Value	% of portfolio	QoQShares vs Q1 2026
1	BlackRock#1 · 11,202,523 sh	11,202,523	$196.2M	<0.01%	+7.2%
2	FMR#2 · 7,363,696 sh	7,363,696	$129.0M	<0.01%	+11.7%
3	Newtyn Management#3 · 6,625,000 sh	6,625,000	$116.0M	14.49%	+45.3%
4	VANGUARD PORTFOLIO MANAGEMENT#4 · 4,135,464 sh	4,135,464	$72.4M	<0.01%	+2.6%
5	Neuberger Berman Group#5 · 3,534,619 sh	3,534,619	$62.1M	0.04%	+131.0%
6	Invesco Ltd.#6 · 3,473,432 sh	3,473,432	$60.8M	<0.01%	+11.4%
7	AMERICAN CENTURY COMPANIES#7 · 3,307,079 sh	3,307,079	$57.9M	0.03%	+15.8%
8	Rubric Capital Management#8 · 3,306,281 sh	3,306,281	$57.9M	0.53%	0.0%
9	VANGUARD CAPITAL MANAGEMENT#9 · 3,070,054 sh	3,070,054	$53.8M	<0.01%	+0.6%
10	STATE STREET#10 · 2,978,639 sh	2,978,639	$52.2M	<0.01%	+6.9%
11	PARADIGM CAPITAL MANAGEMENT#11 · 2,521,700 sh	2,521,700	$44.2M	1.20%	+65.3%
12	PRIVATE MANAGEMENT GROUP#12 · 2,070,391 sh	2,070,391	$36.3M	0.96%	+49.5%
13	GEODE CAPITAL MANAGEMENT#13 · 1,834,237 sh	1,834,237	$32.1M	<0.01%	+6.9%
14	T. Rowe Price Investment Management#14 · 1,743,563 sh	1,743,563	$30.5M	0.02%	-69.0%
15	MORGAN STANLEY#15 · 1,675,525 sh	1,675,525	$29.3M	<0.01%	+63.7%
16	SEGALL BRYANT & HAMILL#16 · 1,345,530 sh	1,345,530	$23.6M	0.28%	New
17	DIMENSIONAL FUND ADVISORS#17 · 1,253,683 sh	1,253,683	$22.0M	<0.01%	-58.9%
18	Allianz Asset Management GmbH#18 · 1,126,225 sh	1,126,225	$19.7M	0.02%	+11.9%
19	GOLDMAN SACHS GROUP#19 · 1,064,744 sh	1,064,744	$18.6M	<0.01%	-55.9%
20	RICE HALL JAMES & ASSOCIATES#20 · 1,063,559 sh	1,063,559	$18.6M	0.91%	+3.6%
21	GAGNON SECURITIES#21 · 1,030,371 sh	1,030,371	$18.0M	3.48%	+155.5%
22	CHARLES SCHWAB INVESTMENT MANAGEMENT#22 · 1,018,104 sh	1,018,104	$17.8M	<0.01%	+22.7%
23	AQR CAPITAL MANAGEMENT#23 · 911,115 sh	911,115	$16.0M	<0.01%	+421.5%
24	Buckley Capital Advisors#24 · 850,335 sh	850,335	$14.9M	9.23%	New
25	NORTHERN#25 · 751,078 sh	751,078	$13.2M	<0.01%	+8.9%
26	MILLENNIUM MANAGEMENT#26 · 722,480 sh	722,480	$12.7M	<0.01%	+156.0%
27	VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.#27 · 647,069 sh	647,069	$11.3M	0.09%	New
28	UBS Group AG#28 · 570,926 sh	570,926	$10.0M	<0.01%	+5.3%
29	Gem Investment Advisors#29 · 565,998 sh	565,998	$9.9M	6.08%	+90.8%
30	Skylands Capital#30 · 560,414 sh	560,414	$9.8M	—	+64.1%
31	VANGUARD FIDUCIARY#31 · 451,917 sh	451,917	$7.9M	<0.01%	-0.6%
32	Bank of New York Mellon#32 · 440,774 sh	440,774	$7.7M	<0.01%	+3.1%
33	THOMPSON SIEGEL & WALMSLEY#33 · 420,815 sh	420,815	$7.4M	0.13%	+2.6%
34	BRIDGEWAY CAPITAL MANAGEMENT#34 · 399,089 sh	399,089	$7.0M	0.12%	-2.5%
35	Aristotle Capital Boston#35 · 350,145 sh	350,145	$6.1M	0.41%	-16.7%
36	PRINCIPAL FINANCIAL GROUP#36 · 329,580 sh	329,580	$5.8M	<0.01%	-0.5%
37	Lightrock Netherlands B.V.#37 · 290,547 sh	290,547	$5.1M	1.00%	-7.6%
38	D. E. Shaw#38 · 270,233 sh	270,233	$4.7M	<0.01%	-1.6%
39	Empowered Funds#39 · 267,989 sh	267,989	$4.7M	0.02%	+5.4%
40	GAMCO INVESTORS, ET AL#40 · 251,235 sh	251,235	$4.4M	0.04%	-1.0%
41	AMERIPRISE FINANCIAL#41 · 242,714 sh	242,714	$4.3M	<0.01%	-4.6%
42	Gagnon Advisors#42 · 241,097 sh	241,097	$4.2M	2.69%	New
43	Susquehanna Portfolio Strategies#43 · 240,074 sh	240,074	$4.2M	0.07%	+12.4%
44	PUBLIC SECTOR PENSION INVESTMENT BOARD#44 · 234,277 sh	234,277	$4.1M	0.01%	-3.6%
45	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME#45 · 233,675 sh	233,675	$4.1M	<0.01%	+18.6%
46	Edgestream Partners, L.P.#46 · 226,547 sh	226,547	$4.0M	0.12%	+92.2%
47	Nuveen#47 · 220,735 sh	220,735	$3.9M	<0.01%	-1.5%
48	TUDOR INVESTMENT ET AL#48 · 194,953 sh	194,953	$3.4M	<0.01%	-16.9%
49	Creative Planning#49 · 187,386 sh	187,386	$3.3M	<0.01%	+413.5%
50	SEI INVESTMENTS#50 · 185,272 sh	185,272	$3.2M	<0.01%	-31.2%
51	AYAL Capital Advisors Ltd#51 · 180,000 sh	180,000	$3.2M	0.85%	New
52	GABELLI FUNDS#52 · 176,400 sh	176,400	$3.1M	0.02%	+6.0%
53	RHUMBLINE ADVISERS#53 · 175,945 sh	175,945	$3.1M	<0.01%	+3.0%
54	MARSHALL WACE, LLP#54 · 172,500 sh	172,500	$3.0M	<0.01%	+30.8%
55	Legal & General Group Plc#55 · 162,798 sh	162,798	$2.9M	<0.01%	-0.4%
56	Quantinno Capital Management#56 · 145,495 sh	145,495	$2.5M	<0.01%	-3.4%
57	Ballast Asset Management#57 · 144,526 sh	144,526	$2.5M	1.01%	-1.0%
58	Swiss National Bank#58 · 136,640 sh	136,640	$2.4M	<0.01%	+2.0%
59	JPMORGAN CHASE#59 · 126,724 sh	126,724	$2.3M	<0.01%	-7.3%
60	Tejara Capital Ltd#60 · 129,890 sh	129,890	$2.3M	0.94%	-39.9%
61	PRUDENTIAL FINANCIAL#61 · 110,561 sh	110,561	$1.9M	<0.01%	+56.8%
62	BEACONLIGHT CAPITAL#62 · 102,800 sh	102,800	$1.8M	0.64%	-32.4%
63	PRICE T ROWE ASSOCIATES#63 · 102,620 sh	102,620	$1.8M	<0.01%	+23.8%
64	BANK OF AMERICA#64 · 101,871 sh	101,871	$1.8M	<0.01%	-19.8%
65	Summit Trail Advisors#65 · 99,157 sh	99,157	$1.7M	0.02%	+20.2%
66	XTX Topco Ltd#66 · 97,657 sh	97,657	$1.7M	0.02%	-39.6%
67	DEUTSCHE BANK AG\#67 · 92,234 sh	92,234	$1.6M	<0.01%	-18.7%
68	BOOTHBAY FUND MANAGEMENT#68 · 89,763 sh	89,763	$1.6M	0.02%	New
69	Birchview Capital#69 · 89,377 sh	89,377	$1.6M	0.73%	+8.3%
70	KENNEDY CAPITAL MANAGEMENT#70 · 89,293 sh	89,293	$1.6M	0.03%	New
71	Y-Intercept (Hong Kong) Ltd#71 · 87,117 sh	87,117	$1.5M	—	+81.2%
72	Squarepoint Ops#72 · 85,251 sh	85,251	$1.5M	<0.01%	New
73	ALLIANCEBERNSTEIN L.P.#73 · 78,143 sh	78,143	$1.3M	<0.01%	-3.3%
74	MOODY NATIONAL BANK DIVISION#74 · 70,748 sh	70,748	$1.2M	—	+1.1%
75	Monaco Asset Management SAM#75 · 65,000 sh	65,000	$1.1M	0.09%	-73.2%
76	VANGUARD ASSET MANAGEMENT, Ltd#76 · 62,479 sh	62,479	$1.1M	<0.01%	0.0%
77	WELLS FARGO & COMPANY#77 · 60,070 sh	60,070	$1.1M	<0.01%	+137.7%
78	THRIVENT FINANCIAL FOR LUTHERANS#78 · 57,957 sh	57,957	$1.0M	<0.01%	+27.8%
79	STATE OF WISCONSIN INVESTMENT BOARD#79 · 57,129 sh	57,129	$1.0M	<0.01%	+31.0%
80	NEW YORK STATE TEACHERS RETIREMENT SYSTEM#80 · 56,800 sh	56,800	$995.0K	—	+4.0%
81	WEDGE CAPITAL MANAGEMENT L L P#81 · 53,623 sh	53,623	$939.2K	—	-4.6%
82	Marble Bar Asset Management LLP#82 · 50,000 sh	50,000	$875.8K	0.61%	New
83	SYSTEMATIC FINANCIAL MANAGEMENT#83 · 45,235 sh	45,235	$792.3K	0.02%	-80.0%
84	Brevan Howard Capital Management#84 · 40,880 sh	40,880	$716.0K	<0.01%	New
85	BNP PARIBAS FINANCIAL MARKETS#85 · 40,193 sh	40,193	$704.0K	<0.01%	+11.9%
86	MetLife Investment Management#86 · 39,740 sh	39,740	$696.0K	<0.01%	+4.1%
87	FRANKLIN RESOURCES#87 · 38,662 sh	38,662	$677.2K	<0.01%	+15.2%
88	Illinois Municipal Retirement Fund#88 · 34,795 sh	34,795	$609.4K	<0.01%	-20.5%
89	CITIGROUP#89 · 34,710 sh	34,710	$607.9K	<0.01%	+235.1%
90	Russell Investments Group, Ltd.#90 · 33,805 sh	33,805	$595.8K	<0.01%	+222.8%
91	MIRAE ASSET GLOBAL ETFS Ltd.#91 · 31,747 sh	31,747	$556.0K	<0.01%	-0.1%
92	SUSQUEHANNA INTERNATIONAL GROUP, LLP#92 · 30,841 sh	30,841	$540.2K	0.00%	+7.6%
93	Point72 Asset Management, L.P.#93 · 30,422 sh	30,422	$532.8K	<0.01%	-96.0%
94	Louisiana State Employees Retirement System#94 · 29,900 sh	29,900	$523.7K	—	-0.7%
95	FEDERATED HERMES#95 · 29,094 sh	29,094	$509.6K	<0.01%	-69.1%
96	JUPITER ASSET MANAGEMENT LTD#96 · 29,033 sh	29,033	$508.5K	<0.01%	0.0%
97	Jupiter Topco#97 · 28,993 sh	28,993	$507.8K	<0.01%	—
98	NorthRock Partners#98 · 28,817 sh	28,817	$504.7K	<0.01%	-0.1%
99	Engineers Gate Manager#99 · 28,564 sh	28,564	$500.3K	<0.01%	-31.0%
100	MANUFACTURERS LIFE INSURANCE COMPANY, THE#100 · 28,482 sh	28,482	$498.9K	<0.01%	+3.7%

Funds that sold out of QDEL in Q2 2026 (47)

Held QDEL at the end of Q1 2026 and filed a Q2 2026 13F without it. Not in the list above, because they no longer hold it. Largest prior position first.

Institutions that held QDEL in Q1 2026 and reported no position in Q2 2026.
Institution	Shares sold	Value in Q1 2026
FRONTIER CAPITAL MANAGEMENT1,752,613 sh	1,752,613	$28.8M
SILVERCREST ASSET MANAGEMENT GROUP892,407 sh	892,407	$14.7M
Goodman Financial437,157 sh	437,157	$7.2M
Sio Capital Management359,011 sh	359,011	$5.9M
Bayberry Capital Partners282,600 sh	282,600	$4.6M
TD ASSET MANAGEMENT261,268 sh	261,268	$4.3M
Stanley Capital Management252,000 sh	252,000	$4.1M
SaddleRock Capital Management196,141 sh	196,141	$3.2M
Leeward Investments, - MA186,851 sh	186,851	$3.1M
Phocas Financial132,882 sh	132,882	$2.2M
Parkman Healthcare Partners101,764 sh	101,764	$1.7M
Trexquant Investment97,019 sh	97,019	$1.6M
Invenomic Capital Management76,267 sh	76,267	$1.3M
Clearline Capital49,885 sh	49,885	$819.6K
ALLSTATE32,230 sh	32,230	$529.5K
Clear Harbor Asset Management26,249 sh	26,249	$431.3K
Handelsbanken Fonder AB24,419 sh	24,419	$401.0K
HSBC PLC21,263 sh	21,263	$341.9K
HRT FINANCIAL19,923 sh	19,923	$327.0K
Holocene Advisors18,508 sh	18,508	$304.1K
Universal- Beteiligungs- und Servicegesellschaft mbH18,100 sh	18,100	$297.4K
AIGEN INVESTMENT MANAGEMENT14,265 sh	14,265	$234.4K
South Dakota Investment Council13,633 sh	13,633	$224.0K
Verition Fund Management13,084 sh	13,084	$215.0K
Legato Capital Management11,519 sh	11,519	$189.3K
ProShare Advisors10,553 sh	10,553	$173.4K
VIRGINIA RETIREMENT SYSTEMS ET Al10,250 sh	10,250	$168.4K
Caption Management9,920 sh	9,920	$163.0K
QUADRANT CAPITAL GROUP392 sh	392	$52.2K
GROUP ONE TRADING, L.P.1,539 sh	1,539	$25.3K
Destiny Wealth Partners995 sh	995	$16.3K
SUMMIT SECURITIES GROUP508 sh	508	$8.3K
Advisory Services Network254 sh	254	$4.2K
BESSEMER GROUP156 sh	156	$3.0K
Rachor Investment Advisory Services141 sh	141	$2.3K
BARROW HANLEY MEWHINNEY & STRAUSS78 sh	78	$1.3K
MAI Capital Management63 sh	63	$1.0K
NORTHWESTERN MUTUAL WEALTH MANAGEMENT50 sh	50	$822.00
Versant Capital Management34 sh	34	$559.00
Hilton Head Capital Partners27 sh	27	$444.00
WPG Advisers26 sh	26	$427.00
Bruce G. Allen Investments14 sh	14	$230.00
RAFFA WEALTH MANAGEMENT6 sh	6	$99.00
MV CAPITAL MANAGEMENT4 sh	4	$66.00
Sound Income Strategies4 sh	4	$66.00
Dunhill Financial1 sh	1	$23.00
TWIN PEAKS WEALTH ADVISORS1 sh	1	$16.00

Source: Form 13F-HR filings on SEC EDGAR, Q2 2026. Values are as reported by each manager at quarter end. “% of portfolio” is the position’s share of the manager’s total reported 13F value for the same quarter. “New” means the manager filed a 13F for Q1 2026 without this position; a dash means no comparison is available. Where a manager’s own filing is internally inconsistent its value is withheld and it is listed last. 13F data shows reported holdings, not recommendations.