QuidelOrtho
QDEL
254 hedge funds and large institutions have $2.41B invested in QuidelOrtho in 2025 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 95 increasing their positions, 84 reducing their positions, and 46 closing their positions.
52% more call options, than puts
Call options by funds: $10.2M | Put options by funds: $6.7M
13% more repeat investments, than reductions
Existing positions increased: 95 | Existing positions reduced: 84
5% more capital invested
Capital invested by funds: $2.29B → $2.41B (+$126M)
3.32% more ownership
Funds ownership: 117.49% → 120.81% (+3.3%)
3% less funds holding
Funds holding: 263 → 254 (-9)
13% less first-time investments, than exits
New positions opened: 40 | Existing positions closed: 46
33% less funds holding in top 10
Funds holding in top 10: 3 → 2 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$51.4M |
| 2 |
Invesco
Atlanta,
Georgia
|
+$37M |
| 3 |
NM
Newtyn Management
New York
|
+$27.2M |
| 4 |
ECM
Estuary Capital Management
Wayzata,
Minnesota
|
+$26.5M |
| 5 |
Goldman Sachs
New York
|
+$14.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AQR Capital Management
Greenwich,
Connecticut
|
-$43M |
| 2 |
D.E. Shaw & Co
New York
|
-$40.1M |
| 3 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
-$23.6M |
| 4 |
JP Morgan Chase
New York
|
-$20.4M |
| 5 |
Morgan Stanley
New York
|
-$12.3M |
QDEL Hedge Fund Activity: Q3 2025 in Review
254 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in QuidelOrtho (QDEL) for Q3 2025, worth a combined $2.41B — up 5.5% from $2.29B a quarter earlier.
Sellers outnumbered buyers: 46 funds closed out of QDEL and 40 opened new positions — a net loss of 6 holders — while 84 trimmed existing stakes and 95 added.
The largest buyer was Fidelity Investments, adding an estimated $51.4M. The largest seller was AQR Capital Management, cutting an estimated $43M.
- 254 institutional investors held QuidelOrtho (QDEL) as of Q3 2025, down from 263 in Q2 2025.
- Funds reported $2.41B of QuidelOrtho stock for Q3 2025, up 5.5% quarter-over-quarter.
- 40 funds opened new QuidelOrtho positions in Q3 2025 and 46 closed out, a net change of -6 holders.
- The largest QuidelOrtho buyer in Q3 2025 was Fidelity Investments, an estimated $51.4M added.
- The largest QuidelOrtho seller in Q3 2025 was AQR Capital Management, an estimated $43M sold.
Based on aggregated 13F filings for Q3 2025.