QuidelOrtho Ownership | Who Owns QuidelOrtho?
QuidelOrtho Ownership Summary
QuidelOrtho is owned by 68.54% institutional investors, 0.94% insiders, and 30.52% retail investors. T. rowe price investment management is the largest institutional shareholder, holding 16.27% of QDEL shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.82% of its assets in QuidelOrtho shares.
QDEL Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | QuidelOrtho | 68.54% | 0.94% | 30.52% |
| Sector | Healthcare Stocks | 42.53% | 10.81% | 46.67% |
| Industry | Medical Instruments & Supplies Stocks | 40.77% | 13.85% | 45.38% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| T. rowe price investment management | 11.01M | 16.27% | $324.31M |
| Blackrock funding, inc. /de | 10.22M | 15.10% | $300.98M |
| Vanguard group | 7.64M | 11.28% | $224.89M |
| Blackrock | 4.89M | 7.32% | $162.58M |
| Rubric capital management lp | 4.64M | 6.85% | $136.58M |
| Fmr | 4.50M | 6.64% | $132.41M |
| Invesco | 2.91M | 4.29% | $85.60M |
| Dimensional fund advisors lp | 2.86M | 4.22% | $84.21M |
| Newtyn management | 2.70M | 3.99% | $79.52M |
| State street | 2.67M | 3.94% | $78.59M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Newtyn management | 2.70M | 9.73% | $79.52M |
| Estuary capital management lp | 970.89K | 5.08% | $28.59M |
| Lightrock netherlands b.v. | 498.52K | 3.27% | $12.49M |
| Beaconlight capital | 199.12K | 2.89% | $5.86M |
| Oracle investment management | 118.29K | 2.34% | $3.41M |
| Goodman financial | 395.03K | 2.26% | $11.63M |
| Stanley capital management | 377.00K | 1.83% | $11.10M |
| Tejara capital | 105.63K | 1.62% | $3.11M |
| Rubric capital management lp | 4.64M | 1.54% | $136.58M |
| Bayberry capital partners lp | 182.16K | 1.28% | $5.36M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fmr | 4.50M | 0.01% | 1.88M |
| Invesco | 2.91M | 0.01% | 1.35M |
| Newtyn management | 2.70M | 9.73% | 994.33K |
| Estuary capital management lp | 970.89K | 5.08% | 970.89K |
| Norges bank | 767.03K | 0.00% | 767.03K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Carlyle group | - | - | -8.26M |
| Madison avenue partners, lp | - | - | -1.03M |
| Jana partners management, lp | - | - | -1.03M |
| Assenagon asset management | 77.67K | 0.00% | -863.70K |
| Jpmorgan chase | 125.50K | 0.00% | -746.31K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Estuary capital management lp | 970.89K | 5.08% | 970.89K | $28.59M |
| Norges bank | 767.03K | 0.00% | 767.03K | $34.17M |
| Rice hall james & associates | 258.91K | 0.42% | 258.91K | $7.63M |
| Susquehanna portfolio strategies | 180.15K | 0.08% | 180.15K | $5.31M |
| Axa investment managers | 111.55K | 0.01% | 111.55K | $3.29M |
Sold Out
| Holder | Change |
|---|---|
| Thurston, springer, miller, herd & titak | -1.00 |
| Sachetta | -2.00 |
| Newedge advisors | -3.00 |
| Principal securities | -4.00 |
| Kayne anderson rudnick investment management | -4.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 173 | -36.63% | 46,402,651 | -41.59% | 68 | 0.50% | 91 | -39.74% | 57 | -28.75% |
| Jun 30, 2025 | 271 | - | 79,356,475 | 6.59% | 117 | 0.96% | 149 | 5.67% | 80 | -4.76% |
| Mar 31, 2025 | 268 | -6.62% | 74,557,990 | 1.79% | 110 | 0.93% | 139 | -17.26% | 85 | 13.33% |
| Dec 31, 2024 | 143 | -47.62% | 28,798,541 | -59.56% | 42 | 0.38% | 84 | -45.45% | 36 | -50.00% |
| Sep 30, 2024 | 272 | - | 71,210,738 | 4.59% | 105 | 1.02% | 154 | 6.94% | 71 | -16.47% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 3.95M | 5.82% | - |
| T. Rowe Price US Mid-Cap Growth Equity | 2.40M | 3.55% | -862.10K |
| T. Rowe Price Mid-Cap Growth | 2.39M | 3.52% | -4.40K |
| Vanguard Total Stock Mkt Idx Inv | 2.16M | 3.18% | -45.98K |
| Fidelity Value | 1.86M | 2.74% | 262.87K |
| Vanguard US Total Market Shares ETF | 1.74M | 2.58% | 173.69K |
| Avantis US Small Cap Value ETF | 1.69M | 2.49% | 4.61K |
| Vanguard Small Cap Index | 1.65M | 2.42% | -5.91K |
| iShares Russell 2000 ETF | 1.63M | 2.40% | - |
| T. Rowe Price Small-Cap Value | 1.49M | 2.19% | -3.41K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Nov 25, 2025 | WIDDER KENNETH J | - | Sell | $111.97K |
| Nov 24, 2025 | Busky Joseph M. | Chief Financial Officer | Buy | $124.31K |
| Nov 21, 2025 | POLAN MARY LAKE PH D | - | Buy | $22.43K |
| Nov 19, 2025 | Blaser Brian J. | President and CEO | Buy | $501.58K |
| Dec 11, 2024 | Blaser Brian J. | President and CEO | Buy | $249.88K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | 3 | 1 |
| 2025 Q3 | - | - |
| 2025 Q2 | - | - |
| 2025 Q1 | - | - |
| 2024 Q4 | 1 | 1 |
QDEL Ownership FAQ
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