Parnassus Investments
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Parnassus Investments’s Teradyne TER Stock Holding History

Parnassus Investments’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 		$24.1M Sell
81,452
-67,375
-45% -$18.8M 0.07% 97
2025
Q4 		$28.8M Sell
148,827
-81,581
-35% -$14M 0.07% 99
2025
Q3 		$31.7M Sell
230,408
-2,527
-1% -$276K 0.07% 104
2025
Q2 		$20.9M Sell
232,935
-9,133
-4% -$730K 0.05% 106
2025
Q1 		$20M Hold
242,068
– – 0.05% 106
2024
Q4 		$30.5M Buy
242,068
+18,733
+8% +$2.22M 0.07% 99
2024
Q3 		$29.9M Sell
223,335
-52,317
-19% -$7.05M 0.06% 100
2024
Q2 		$40.9M Hold
275,652
– – 0.09% 98
2024
Q1 		$31.1M Buy
275,652
+108,540
+65% +$11.3M 0.07% 103
2023
Q4 		$18.1M Hold
167,112
– – 0.04% 107
2023
Q3 		$16.8M Buy
167,112
+35,781
+27% +$3.77M 0.04% 112
2023
Q2 		$14.6M Hold
131,331
– – 0.03% 110
2023
Q1 		$14.1M Sell
131,331
-34,397
-21% -$3.52M 0.04% 113
2022
Q4 		$14.5M Buy
165,728
+116,000
+233% +$9.94M 0.04% 112
2022
Q3 		$3.74M Hold
49,728
– – 0.01% 127
2022
Q2 		$4.45M Sell
49,728
-152,903
-75% -$15.9M 0.01% 129
2022
Q1 		$24M Buy
202,631
+48,859
+32% +$6.19M 0.05% 116
2021
Q4 		$25.1M Buy
+153,772
New +$21.6M 0.05% 110

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

Parnassus Investments's TER Position: Q1 2026 in Review

Parnassus Investments reduced its Teradyne (TER) stake by 45% in Q1 2026, selling an estimated $18.8M and leaving 81,452 shares worth $24.1M. The position accounts for 0.07% of the portfolio, ranked #97.

Parnassus Investments first reported a position in TER in Q4 2021 and has held it in 18 quarters since. The position peaked at $40.9M in Q2 2024. 1,223 funds tracked by Wall St. Rank hold TER as of Q1 2026.

  • Parnassus Investments held 81,452 shares of Teradyne worth $24.1M as of Q1 2026.
  • Parnassus Investments sold 67,375 Teradyne shares in Q1 2026, an estimated $18.8M.
  • Teradyne made up 0.07% of Parnassus Investments's portfolio in Q1 2026, its #97 holding.
  • Parnassus Investments first reported a position in Teradyne in Q4 2021 and has held it in 18 quarters since.
  • Parnassus Investments's Teradyne position peaked at $40.9M in Q2 2024.
  • 1,223 funds tracked by Wall St. Rank held Teradyne as of Q1 2026.

Based on Parnassus Investments's 13F filing for Q1 2026, filed 12 May 2026.