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Quest Diagnostics

985 hedge funds and large institutions have $19.3B invested in Quest Diagnostics in 2025 Q2 according to their latest regulatory filings, with 120 funds opening new positions, 364 increasing their positions, 326 reducing their positions, and 82 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more capital invested

Capital invested by funds: $ → $

4.13% more ownership

Funds ownership: 92.02%96.15% (+4.1%)

2% more funds holding

Funds holding: 962985 (+23)

33% less call options, than puts

Call options by funds: $88.3M | Put options by funds: $133M

Holders
985
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$88.3M
Puts
$133M
Net Calls
Net Calls Change

Top Buyers

1 +$210M
2 +$134M
3 +$129M
4
Squarepoint
Squarepoint
New York
+$120M
5
JP Morgan Chase
JP Morgan Chase
New York
+$97.6M
Name Holding Trade Value Shares
Change
Change in
Stake
251
$3.55M
252
$3.44M
253
$3.34M
254
$3.33M
255
$3.32M
256
$3.29M
257
$3.29M
258
$3.29M
259
$3.23M
260
$3.18M
261
$3.16M
262
$3.15M
263
$3.13M
264
$3.13M
265
$3.11M
266
$3.1M
267
$3.08M
268
$3.06M
269
$3.04M
270
$3.01M
271
$3.01M
272
$3M
273
$2.94M
274
$2.93M
275
$2.9M