224 tracked 13F filers disclose a position in QDEL as of the latest SEC 13F filings, a combined $1.2B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $171.7M | 10.4M | ▲+1.0% Added · +107K sh | Q1 2026 | |
| 2 | FMR LLC | $108.3M | 6.6M | ▲+22% Added · +1.2M sh | Q1 2026 | |
| 3 | T. Rowe Price Investment Management, Inc. | Withheld | 5.6M | ▼−52% Reduced · −6.2M sh | Q1 2026 | |
| 4 | Newtyn Management, LLC | $74.9M | 4.6M | ▲+51% Added · +1.5M sh | Q1 2026 | |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | $66.2M | 4.0M | →First observed position No prior filed position | Q1 2026 | |
| 6 | Rubric Capital Management LP | $54.3M | 3.3M | ▼−12% Reduced · −471K sh | Q1 2026 | |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | $50.2M | 3.1M | →First observed position No prior filed position | Q1 2026 | |
| 8 | DIMENSIONAL FUND ADVISORS LP | $50.1M | 3.0M | ▲+7.5% Added · +212K sh | Q1 2026 | |
| 9 | STATE STREET CORP | $52.2M | 3.0M | ▲+6.9% Added · +192K sh | Q2 2026 | |
| 10 | AMERICAN CENTURY COMPANIES INC | $46.9M | 2.9M | ▲+23% Added · +529K sh | Q1 2026 | |
| 11 | PARADIGM CAPITAL MANAGEMENT INC/NY | $44.2M | 2.5M | ▲+65% Added · +996K sh | Q2 2026 | |
| 12 | GOLDMAN SACHS GROUP INC | $39.6M | 2.4M | ▲+37% Added · +657K sh | Q1 2026 | |
| 13 | PRIVATE MANAGEMENT GROUP INC | $36.3M | 2.1M | ▲+50% Added · +686K sh | Q2 2026 | |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | $32.1M | 1.8M | ▲+6.9% Added · +119K sh | Q2 2026 | |
| 15 | Neuberger Berman Group LLC | $25.1M | 1.5M | ▲+55% Added · +546K sh | Q1 2026 | |
| 16 | SEGALL BRYANT & HAMILL, LLC | $23.6M | 1.3M | ▼−13% Reduced · −198K sh | Q2 2026 | |
| 17 | RICE HALL JAMES & ASSOCIATES, LLC | $18.6M | 1.1M | ▲+3.6% Added · +37K sh | Q2 2026 | |
| 18 | GAGNON SECURITIES LLC | $18.0M | 1.0M | ▲+155% Added · +627K sh | Q2 2026 | |
| 19 | MORGAN STANLEY | $16.8M | 1.0M | ▼−17% Reduced · −212K sh | Q1 2026 | |
| 20 | Allianz Asset Management GmbH | $16.5M | 1.0M | ▲+41% Added · +293K sh | Q1 2026 | |
| 21 | SILVERCREST ASSET MANAGEMENT GROUP LLC | $14.7M | 892K | ▼−17% Reduced · −184K sh | Q1 2026 | |
| 22 | Buckley Capital Advisors, LLC | $14.9M | 850K | ▲New +850K sh | Q2 2026 | |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $13.6M | 830K | ▼−2.1% Reduced · −18K sh | Q1 2026 | |
| 24 | Point72 Asset Management, L.P. | $12.5M | 762K | ▲+98% Added · +377K sh | Q1 2026 | |
| 25 | NORTHERN TRUST CORP | $11.3M | 690K | ▼−0.8% Reduced · −6K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 12 funds opened a new position in QDEL and 28 added to an existing one, while 20 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| META PLATFORMS INC-CLASS AMETA | 113 funds | $87.7B |
| MICROSOFT CORPMSFT | 112 funds | $208.2B |
| AMAZON.COM INCAMZN | 112 funds | $152.3B |
| JPMORGAN CHASE & COJPM | 112 funds | $46.6B |
| NVIDIA CORPNVDA | 111 funds | $309.0B |
| APPLE INCAAPL | 111 funds | $231.1B |
| ELI LILLY & COLLY | 111 funds | $62.9B |
| ALPHABET INC-CL AGOOGL | 110 funds | $119.7B |
| BROADCOM INCAVGO | 109 funds | $122.9B |
| CHEVRON CORPCVX | 109 funds | $24.5B |
| VISA INC-CLASS A SHARESV | 108 funds | $46.1B |
| MASTERCARD INC - AMA | 108 funds | $40.2B |
Ranked by how many of QDEL's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Feb 13, 2026 | Strobeck Matthew | Director | Buy (P) | 10K | $240K |
| Feb 13, 2026 | Busky Joseph M. | Chief Financial Officer | Buy (P) | 3K | $80K |
| Feb 13, 2026 | Blaser Brian J. | President and CEO | Buy (P) | 11K | $249K |
| Dec 10, 2025 | RHOADS ANN D | Director | Buy (P) | 750 | $21K |
| Nov 26, 2025 | Wilkins Joseph D Jr. | Director | Buy (P) | 370 | $10K |
| Nov 25, 2025 | WIDDER KENNETH J | Director | Sell (S) | 4K | $112K |
| Nov 24, 2025 | Busky Joseph M. | Chief Financial Officer | Buy (P) | 5K | $124K |
| Nov 21, 2025 | POLAN MARY LAKE PH D | Director | Buy (P) | 1K | $22K |
| Nov 19, 2025 | Blaser Brian J. | President and CEO | Buy (P) | 24K | $501K |
| Dec 11, 2024 | Blaser Brian J. | President and CEO | Buy (P) | 6K | $250K |
| Nov 21, 2024 | TC Group Cayman Investment Holdings Sub L.P. | 10% Owner | Sell (S) | 8.3M | $291.7M |
| Aug 9, 2024 | TC Group Cayman Investment Holdings, L.P. | 10% Owner | Sell (S) | 6K | $259K |
Connected entities for QDEL
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/QDEL/capital-change-brief"
Use Arkolith's capital_change_brief for QDEL. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for QDEL. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.