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Castleark Management’s Teradyne TER Stock Holding History

Castleark Management’s Portfolio TER Stock Details TER Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.56M Buy
5,249
+779
+17% +$217K 0.05% 210
2025
Q4 		$865K Buy
+4,470
New +$767K 0.03% 235
2023
Q4 		– Sell
-4,750
Closed -$477K – 313
2023
Q3 		$477K Sell
4,750
-40
-0.8% -$4.22K 0.02% 224
2023
Q2 		$533K Hold
4,790
– – 0.02% 217
2023
Q1 		$515K Buy
+4,790
New +$490K 0.03% 218
2022
Q3 		– Sell
-2,015
Closed -$180K – 333
2022
Q2 		$180K Hold
2,015
– – 0.01% 271
2022
Q1 		$238K Sell
2,015
-1,960
-49% -$248K 0.01% 282
2021
Q4 		$650K Hold
3,975
– – 0.02% 251
2021
Q3 		$434K Buy
3,975
+1,370
+53% +$166K 0.02% 259
2021
Q2 		$349K Hold
2,605
– – 0.01% 276
2021
Q1 		$317K Buy
+2,605
New +$327K 0.01% 278
2020
Q3 		– Sell
-21,885
Closed -$1.85M – 373
2020
Q2 		$1.85M Sell
21,885
-11,470
-34% -$769K 0.08% 185
2020
Q1 		$1.81M Sell
33,355
-8,930
-21% -$567K 0.11% 155
2019
Q4 		$2.88M Sell
42,285
-1,325
-3% -$84.1K 0.12% 202
2019
Q3 		$2.52M Buy
+43,610
New +$2.31M 0.1% 200
2018
Q2 		– Sell
-147,071
Closed -$6.72M – 422
2018
Q1 		$6.72M Sell
147,071
-139,378
-49% -$6.38M 0.21% 141
2017
Q4 		$12M Sell
286,449
-107,695
-27% -$4.44M 0.36% 96
2017
Q3 		$14.7M Sell
394,144
-27,181
-6% -$941K 0.46% 62
2017
Q2 		$12.7M Buy
+421,325
New +$14.2M 0.41% 71

Other funds holding TER

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
Alkeon Capital Management
Alkeon Capital Management New York $59.5B AUM 51.63% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Castleark Management's TER Position: Q1 2026 in Review

Castleark Management increased its Teradyne (TER) stake by 17% in Q1 2026, buying an estimated $217K and bringing the position to 5,249 shares worth $1.56M. The position accounts for 0.05% of the portfolio, ranked #210.

Castleark Management first reported a position in TER in Q2 2017 and has held it in 19 quarters since. The position peaked at $14.7M in Q3 2017. 1,223 funds tracked by Wall St. Rank hold TER as of Q1 2026.

  • Castleark Management held 5,249 shares of Teradyne worth $1.56M as of Q1 2026.
  • Castleark Management bought 779 Teradyne shares in Q1 2026, an estimated $217K.
  • Teradyne made up 0.05% of Castleark Management's portfolio in Q1 2026, its #210 holding.
  • Castleark Management first reported a position in Teradyne in Q2 2017 and has held it in 19 quarters since.
  • Castleark Management's Teradyne position peaked at $14.7M in Q3 2017.
  • 1,223 funds tracked by Wall St. Rank held Teradyne as of Q1 2026.

Based on Castleark Management's 13F filing for Q1 2026, filed 15 May 2026.