QuidelOrtho
QDEL
266 hedge funds and large institutions have $2.63B invested in QuidelOrtho in 2025 Q1 according to their latest regulatory filings, with 30 funds opening new positions, 106 increasing their positions, 89 reducing their positions, and 38 closing their positions.
19% more repeat investments, than reductions
Existing positions increased: 106 | Existing positions reduced: 89
19% more call options, than puts
Call options by funds: $13.7M | Put options by funds: $11.6M
2.76% more ownership
Funds ownership: 108.98% → 111.74% (+2.8%)
0% more funds holding in top 10
Funds holding in top 10: 6 → 6 (0)
3% less funds holding
Funds holding: 275 → 266 (-9)
19% less capital invested
Capital invested by funds: $3.27B → $2.63B (-$633M)
21% less first-time investments, than exits
New positions opened: 30 | Existing positions closed: 38
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AQR Capital Management
Greenwich,
Connecticut
|
+$75.5M |
| 2 |
Morgan Stanley
New York
|
+$29.1M |
| 3 |
Dimensional Fund Advisors
Austin,
Texas
|
+$24.5M |
| 4 |
RCMNY
Rubric Capital Management (New York)
New York
|
+$24.1M |
| 5 |
FCM
Frontier Capital Management
Boston,
Massachusetts
|
+$21.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$43.6M |
| 2 |
MF
Magnetar Financial
Evanston,
Illinois
|
-$35.5M |
| 3 |
Goldman Sachs
New York
|
-$24.5M |
| 4 |
SCM
Soleus Capital Management
Greenwich,
Connecticut
|
-$24.4M |
| 5 |
D.E. Shaw & Co
New York
|
-$15.7M |
QDEL Hedge Fund Activity: Q1 2025 in Review
266 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in QuidelOrtho (QDEL) for Q1 2025, worth a combined $2.63B — down 19% from $3.27B a quarter earlier.
Sellers outnumbered buyers: 38 funds closed out of QDEL and 30 opened new positions — a net loss of 8 holders — while 89 trimmed existing stakes and 106 added.
The largest buyer was AQR Capital Management, adding an estimated $75.5M. The largest seller was Millennium Management, cutting an estimated $43.6M.
- 266 institutional investors held QuidelOrtho (QDEL) as of Q1 2025, down from 275 in Q4 2024.
- Funds reported $2.63B of QuidelOrtho stock for Q1 2025, down 19% quarter-over-quarter.
- 30 funds opened new QuidelOrtho positions in Q1 2025 and 38 closed out, a net change of -8 holders.
- The largest QuidelOrtho buyer in Q1 2025 was AQR Capital Management, an estimated $75.5M added.
- The largest QuidelOrtho seller in Q1 2025 was Millennium Management, an estimated $43.6M sold.
Based on aggregated 13F filings for Q1 2025.