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Teradyne
TER

Overview Fund Activity

719 hedge funds and large institutions have $14.5B invested in Teradyne in 2025 Q2 according to their latest regulatory filings, with 105 funds opening new positions, 261 increasing their positions, 274 reducing their positions, and 113 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
719
Holders Change
-20
Holders Change %
-2.71%
% of All Funds
9.64%
Holding in Top 10
6
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+100%
% of All Funds
0.08%
New
105
Increased
261
Reduced
274
Closed
113
Calls
$156M
Puts
$598M
Net Calls
-$442M
Net Calls Change
-$143M

Top Buyers

1
Federated Hermes
Federated Hermes
Pennsylvania
+$151M
2
Morgan Stanley
Morgan Stanley
New York
+$143M
3
Amundi
Amundi
France
+$123M
4
Primecap Management
Primecap Management
California
+$101M
5
WP
Woodline Partners
California
+$97.1M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$124M
2
Macquarie Group
Macquarie Group
Australia
-$93.9M
3
CSS
Cubist Systematic Strategies
Connecticut
-$63M
4
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$62.4M
5
BlackRock
BlackRock
New York
-$57.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
Millennium Management
76
Millennium Management
New York
$24.9M -$25.5M -283,502 -51%
California State Teachers Retirement System (CalSTRS)
77
California State Teachers Retirement System (CalSTRS)
California
$24.5M +$478K +5,313 +2%
Acadian Asset Management
78
Acadian Asset Management
Massachusetts
$24.5M +$21.9M +243,346 +838%
Man Group
79
Man Group
United Kingdom
$24.4M -$1.55M -17,272 -6%
QCM
80
Quantinno Capital Management
New York
$22.9M +$10.7M +119,073 +88%
T. Rowe Price Associates
81
T. Rowe Price Associates
Maryland
$21.3M +$28.1K +312 +0.1%
Parnassus Investments
82
Parnassus Investments
California
$20.9M -$821K -9,133 -4%
SEI Investments
83
SEI Investments
Pennsylvania
$20.9M -$2.27M -25,264 -10%
RCM
84
Rokos Capital Management
United Kingdom
$20.9M – – –
ETC
85
Exchange Traded Concepts
Oklahoma
$20.6M +$3.96M +44,049 +24%
Susquehanna International Group
86
Susquehanna International Group
Pennsylvania
$20.3M -$13.5M -150,014 -40%
Toronto Dominion Bank
87
Toronto Dominion Bank
Ontario, Canada
$20.2M +$12.8M +142,671 +175%
PCM
88
Penserra Capital Management
California
$20M +$7.73M +85,997 +63%
Prudential Financial
89
Prudential Financial
New Jersey
$19M -$11.1M -123,422 -37%
HF
90
HRT Financial
New York
$18.3M +$18.3M +203,441 New
Canada Pension Plan Investment Board
91
Canada Pension Plan Investment Board
Ontario, Canada
$18M +$2.28M +25,407 +15%
GIM
92
Glenmede Investment Management
Pennsylvania
$17.6M +$17.6M +195,791 New
Principal Financial Group
93
Principal Financial Group
Iowa
$17.6M -$2.77M -30,774 -14%
AllianceBernstein
94
AllianceBernstein
Tennessee
$17.5M +$2.13M +23,722 +14%
DDPIC
95
Deroy & Devereaux Private Investment Counsel
Michigan
$17.3M +$767K +8,527 +5%
Twin Tree Management
96
Twin Tree Management
Texas
$17.2M -$5.34M -59,414 -24%
SPS
97
Susquehanna Portfolio Strategies
Pennsylvania
$17M +$17M +189,398 New
Macquarie Group
98
Macquarie Group
Australia
$16.6M -$93.9M -1,044,331 -85%
Voloridge Investment Management
99
Voloridge Investment Management
Florida
$15.3M +$15.3M +170,200 New
Janney Montgomery Scott
100
Janney Montgomery Scott
Pennsylvania
$14.8M -$588K -6,539 -4%
2 3
4
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