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QuidelOrtho

237 hedge funds and large institutions have $1.35B invested in QuidelOrtho in 2026 Q1 according to their latest regulatory filings, with 44 funds opening new positions, 83 increasing their positions, 74 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed

23% more call options, than puts

Call options by funds: $6.52M | Put options by funds: $5.3M

12% more repeat investments, than reductions

Existing positions increased: 83 | Existing positions reduced: 74

0% more first-time investments, than exits

New positions opened: 44 | Existing positions closed: 44

0.48% less ownership

Funds ownership: 121.27%120.8% (-0.48%)

2% less funds holding

Funds holding: 243237 (-6)

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

43% less capital invested

Capital invested by funds: $2.35B → $1.35B (-$1B)

Holders
237
Holders Change
-6
Holders Change %
-2.47%
% of All Funds
2.92%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.02%
New
44
Increased
83
Reduced
74
Closed
44
Calls
$6.52M
Puts
$5.3M
Net Calls
+$1.22M
Net Calls Change
+$540K
Name Holding Trade Value Shares
Change
Change in
Stake
UBS Group
26
UBS Group
Switzerland
$8.91M +$1.61M +65,385 +14%
VFT
27
Vanguard Fiduciary Trust
Pennsylvania
$7.47M +$11.2M +454,514 New
GF
28
Goodman Financial
Texas
$7.18M +$1.19M +48,405 +12%
Bank of New York Mellon
29
Bank of New York Mellon
New York
$7.03M -$300K -12,212 -3%
ACB
30
Aristotle Capital Boston
Massachusetts
$6.93M +$700K +28,498 +7%
TSW
31
Thompson Siegel & Walmsley
Virginia
$6.74M +$625K +25,439 +7%
BCM
32
Bridgeway Capital Management
Texas
$6.73M +$174K +7,066 +2%
GS
33
Gagnon Securities
New York
$6.63M +$6M +244,148 +153%
SCM
34
Sio Capital Management
New York
$5.9M +$8.82M +359,011 New
SC
35
Skylands Capital
Wisconsin
$5.61M +$5.08M +206,850 +154%
Principal Financial Group
36
Principal Financial Group
Iowa
$5.44M +$171K +6,955 +2%
LN
37
Lightrock Netherlands
Netherlands
$5.17M -$3.6M -146,453 -32%
GIA
38
Gem Investment Advisors
New Jersey
$4.87M +$4.91M +199,945 +207%
BCP
39
Bayberry Capital Partners
New York
$4.64M -$630K -25,664 -8%
Millennium Management
40
Millennium Management
New York
$4.64M +$2.97M +120,756 +75%
D.E. Shaw & Co
41
D.E. Shaw & Co
New York
$4.51M -$6.95M -282,911 -51%
SEI Investments
42
SEI Investments
Pennsylvania
$4.42M +$1.42M +57,615 +27%
TD Asset Management
43
TD Asset Management
Ontario, Canada
$4.29M -$6.47M -263,324 -50%
Ameriprise
44
Ameriprise
Minnesota
$4.18M +$583K +23,719 +10%
EF
45
Empowered Funds
Pennsylvania
$4.18M +$6.24M +254,217 New
GI
46
GAMCO Investors
Connecticut
$4.17M +$410K +16,680 +7%
SCM
47
Stanley Capital Management
Texas
$4.14M -$3.68M -150,000 -37%
Public Sector Pension Investment Board (PSP Investments)
48
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$3.99M +$188K +7,640 +3%
MAM
49
Monaco Asset Management
Monaco
$3.99M +$982K +40,000 +20%
Tudor Investment Corp
50
Tudor Investment Corp
Connecticut
$3.85M +$5.76M +234,509 New