{ "company": "quidelortho", "ticker": "QDEL", "cusip": "219798105", "security": "Common stock", "as_of_13f_period": "2026-06-30", "generated": "2026-10-31", "source": "SEC Form 13F data sets (13F-HR, share positions only; options excluded), https://www.sec.gov/data-research/sec-markets-data/form-13f-data-sets; shares outstanding from 10-Q/10-K cover pages.", "excluded_positions": [ { "co": "quidelortho", "period": "2026-06-30", "manager": "Sixth Street Partners Management Company, L.P.", "shares": 1018104 } ], "method": "Institutional % = shares reported on 13F-HR filings for the quarter (latest original or restated filing per manager, plus new-holdings amendments) divided by shares outstanding on the next cover page. 13F totals can double-count where parent and subsidiary managers both report, and exclude non-13F holders. Totals can exceed 100% of shares outstanding, mainly because shares lent to short sellers are reported both by the lending institution and by the buyer.", "quarters": [ { "period": "2024-09-30", "filers": 261, "inst_shares": 72459038, "shares_out": 67256717, "shares_out_date": "2024-10-30", "shares_out_basis": "Common shares outstanding", "inst_pct": 107.7 }, { "period": "2024-12-31", "filers": 276, "inst_shares": 73269444, "shares_out": 67446544, "shares_out_date": "2025-02-19", "shares_out_basis": "Common shares outstanding", "inst_pct": 108.6 }, { "period": "2025-03-31", "filers": 267, "inst_shares": 75037437, "shares_out": 67625872, "shares_out_date": "2025-04-30", "shares_out_basis": "Common shares outstanding", "inst_pct": 111.0 }, { "period": "2025-06-30", "filers": 266, "inst_shares": 79465020, "shares_out": 67900466, "shares_out_date": "2025-07-30", "shares_out_basis": "Common shares outstanding", "inst_pct": 117.0 }, { "period": "2025-09-30", "filers": 256, "inst_shares": 82082837, "shares_out": 67931540, "shares_out_date": "2025-10-29", "shares_out_basis": "Common shares outstanding", "inst_pct": 120.8 }, { "period": "2025-12-31", "filers": 243, "inst_shares": 87495808, "shares_out": 68081767, "shares_out_date": "2026-02-11", "shares_out_basis": "Common shares outstanding", "inst_pct": 128.5 }, { "period": "2026-03-31", "filers": 232, "inst_shares": 82169194, "shares_out": 68190989, "shares_out_date": "2026-04-28", "shares_out_basis": "Common shares outstanding", "inst_pct": 120.5 }, { "period": "2026-06-30", "filers": 241, "inst_shares": 82977976, "shares_out": 68575427, "shares_out_date": "2026-07-29", "shares_out_basis": "Common shares outstanding", "inst_pct": 121.0 } ], "top_holders": [ { "manager": "BlackRock, Inc.", "filer_cik": "0002012383", "shares": 11202523, "pct": 16.34, "change_shares": 753396 }, { "manager": "Vanguard (all 13F filers)", "filer_cik": "fam:VANGUARD", "shares": 7777986, "pct": 11.34, "change_shares": 117255 }, { "manager": "FMR LLC", "filer_cik": "0000315066", "shares": 7363696, "pct": 10.74, "change_shares": 772544 }, { "manager": "Newtyn Management, LLC", "filer_cik": "0001569241", "shares": 6625000, "pct": 9.66, "change_shares": 2066528 }, { "manager": "Neuberger Berman Group LLC", "filer_cik": "0001465109", "shares": 3534619, "pct": 5.15, "change_shares": 2004205 }, { "manager": "Invesco Ltd.", "filer_cik": "0000914208", "shares": 3473432, "pct": 5.07, "change_shares": 355963 }, { "manager": "American Century Companies Inc.", "filer_cik": "0000748054", "shares": 3307079, "pct": 4.82, "change_shares": 450947 }, { "manager": "Rubric Capital Management LP", "filer_cik": "0001687509", "shares": 3306281, "pct": 4.82, "change_shares": 0 }, { "manager": "State Street Corp.", "filer_cik": "0000093751", "shares": 2978639, "pct": 4.34, "change_shares": 192018 }, { "manager": "Paradigm Capital Management Inc/ny", "filer_cik": "0001037792", "shares": 2521700, "pct": 3.68, "change_shares": 995800 } ], "top_holders_trend": { "periods": [ "2024-09-30", "2024-12-31", "2025-03-31", "2025-06-30", "2025-09-30", "2025-12-31", "2026-03-31", "2026-06-30" ], "holders": [ { "manager": "BlackRock, Inc.", "filer_cik": "0002012383", "pct": [ 10.81, 12.51, 12.11, 15.05, 15.04, 15.19, 15.32, 16.34 ] }, { "manager": "Vanguard (all 13F filers)", "filer_cik": "fam:VANGUARD", "pct": [ 9.0, 10.11, 9.98, 11.48, 11.24, 11.12, 11.23, 11.34 ] }, { "manager": "FMR LLC", "filer_cik": "0000315066", "pct": [ 1.87, 1.91, 1.91, 3.85, 6.62, 7.96, 9.67, 10.74 ] }, { "manager": "Newtyn Management, LLC", "filer_cik": "0001569241", "pct": [ 1.81, 1.8, 1.8, 2.51, 3.97, 4.43, 6.68, 9.66 ] }, { "manager": "Neuberger Berman Group LLC", "filer_cik": "0001465109", "pct": [ 0.15, 0.43, 0.41, 0.43, 1.17, 1.45, 2.24, 5.15 ] } ] }, "grouping": "Vanguard’s separate 13F filers (The Vanguard Group; from 2026, Vanguard Capital Management and Vanguard Portfolio Management) are combined; other managers are shown per 13F filer.", "insiders": { "class": "Common stock", "rows": [ { "proxy_filed": "2024-04-02", "group": "All directors and executive officers (16)", "shares": 640317, "pct": 1.0, "pct_reported": "1.0%", "url": "https://www.sec.gov/Archives/edgar/data/1906324/000190632424000018/qdel-20240402.htm", "doc": "Proxy statement (DEF 14A)", "pct_value": 1.0, "pct_basis": "reported" }, { "proxy_filed": "2025-04-08", "group": "All directors and executive officers (16)", "shares": 530433, "pct_reported": "<1%", "url": "https://www.sec.gov/Archives/edgar/data/1906324/000190632425000045/qdel-20250408.htm", "doc": "Proxy statement (DEF 14A)", "pct_value": 0.78, "pct_basis": "computed: proxy share count ÷ common shares outstanding as of 2025-04-30" }, { "proxy_filed": "2026-04-27", "group": "All directors and executive officers (17)", "shares": 768907, "pct": 1.1, "pct_reported": "1.1%", "url": "https://www.sec.gov/Archives/edgar/data/1906324/000190632426000018/qdel-20260427.htm", "doc": "Proxy statement (DEF 14A)", "pct_value": 1.1, "pct_basis": "reported" } ] } }