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Quest Diagnostics
1,062 hedge funds and large institutions have $20.1B invested in Quest Diagnostics in 2026 Q1 according to their latest regulatory filings, with 121 funds opening new positions, 349 increasing their positions, 381 reducing their positions, and 87 closing their positions.
New
Increased
Maintained
Reduced
Closed
139% more call options, than puts
Call options by funds: $96.9M | Put options by funds: $40.5M
100% more funds holding in top 10
Funds holding in top 10: 2 → 4 (+2)
39% more first-time investments, than exits
New positions opened: 121 | Existing positions closed: 87
9% more capital invested
Capital invested by funds: $18.4B → $20.1B (+$1.67B)
1% more funds holding
Funds holding: 1,048 → 1,062 (+14)
8% less repeat investments, than reductions
Existing positions increased: 349 | Existing positions reduced: 381
2.22% less ownership
Funds ownership: 95.55% → 93.33% (-2.2%)
Holders
1,062
Holders Change
+14
Holders Change %
+1.34%
% of All Funds
13.08%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
121
Increased
349
Reduced
381
Closed
87
Calls
$96.9M
Puts
$40.5M
Net Calls
+$56.4M
Net Calls Change
+$39M
Top Buyers
Top Sellers
| 1 |
UBS Group
Zurich,
Switzerland
|
-$80.1M |
| 2 |
Goldman Sachs
New York
|
-$70M |
| 3 |
FMI
Fiduciary Management Inc
Milwaukee,
Wisconsin
|
-$63.3M |
| 4 |
FGP
Freestone Grove Partners
San Francisco,
California
|
-$59M |
| 5 |
JP Morgan Chase
New York
|
-$58.2M |
