Ticker · CUSIP 880770102

TER

TERADYNE INC
Technology·Semiconductor Equipment & Materials
···Share
Holders (tracked)
26
Combined shares
17,566,263
Combined value
$2.59B
Last close
$365.92
Quarter
2025Q4
Tracked holders · last 8 quarters
+9 vs previous quarter over the last 8.
26172024Q12025Q4
Price is +148.4% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

28 events
  1. Ken Griffin (Citadel Advisors) added2026-02-17
    +295,560 shares · 2025Q4
    13F
  2. D.E. Shaw & Co. added2026-02-17
    +25,959 shares · 2025Q4
    13F
  3. Izzy Englander (Millennium Mgmt) added2026-02-17
    +40,960 shares · 2025Q4
    13F
  4. Steve Cohen (Point72) trimmed2026-02-17
    −1,269,062 shares · 2025Q4
    13F
  5. T. Rowe Price added2026-02-17
    +659,273 shares · 2025Q4
    13F
  6. Wellington Management trimmed2026-02-17
    −1,971,740 shares · 2025Q4
    13F
  7. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +229,261 shares · 2025Q4
    13F
  8. AQR Capital Management added2026-02-17
    +656,126 shares · 2025Q4
    13F
  9. Two Sigma Investments added2026-02-17
    +439,324 shares · 2025Q4
    13F
  10. Ray Dalio (Bridgewater Associates) trimmed2026-02-13
    −7,665 shares · 2025Q4
    13F
  11. Renaissance Technologies trimmed2026-02-12
    −209,200 shares · 2025Q4
    13F
  12. Cathie Wood (ARK Invest) trimmed2026-02-11
    −366,071 shares · 2025Q4
    13F
  13. Norges Bank (Norway SWF) opened position2026-02-10
    +2,060,223 shares · 2025Q4
    13F
  14. Baillie Gifford & Co added2026-01-23
    +29 shares · 2025Q4
    13F
  15. Paul Tudor Jones (Tudor Investment) exited2025-12-09
    −26,284 shares · 2025Q3
    13F
  16. AQR Capital Management trimmed2025-11-14
    −280,064 shares · 2025Q3
    13F
  17. Izzy Englander (Millennium Mgmt) added2025-11-14
    +118,558 shares · 2025Q3
    13F
  18. Steve Cohen (Point72) added2025-11-14
    +3,807,853 shares · 2025Q3
    13F
  19. Two Sigma Investments trimmed2025-11-14
    −618,759 shares · 2025Q3
    13F
  20. D.E. Shaw & Co. trimmed2025-11-14
    −736,163 shares · 2025Q3
    13F
  21. T. Rowe Price added2025-11-14
    +3,306,892 shares · 2025Q3
    13F
  22. Wellington Management added2025-11-14
    +2,022,389 shares · 2025Q3
    13F
  23. Ray Dalio (Bridgewater Associates) opened position2025-11-13
    +207,426 shares · 2025Q3
    13F
  24. Renaissance Technologies trimmed2025-11-13
    −680,600 shares · 2025Q3
    13F
  25. Norges Bank (Norway SWF) exited2025-11-13
    −1,699,892 shares · 2025Q3
    13F
  26. Ken Fisher (Fisher Asset Mgmt) exited2025-11-12
    −103,299 shares · 2025Q3
    13F
  27. Norges Bank (Norway SWF) trimmed2025-11-12
    −76,623 shares · 2024Q3
    13F
  28. Cathie Wood (ARK Invest) added2025-11-12
    +548,140 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.
View full insider history for TER →
Follow-the-investor returns
If you'd copied each holder of TER…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
T. Rowe Price2016Q1$0.37+98313.2%$1.54B
Baillie Gifford & Co2016Q1$45.63+701.9%$125K
Renaissance Technologies2016Q1$83.56+337.9%$476K
Norges Bank (Norway SWF)2016Q1$102.53+256.9%$753.9M
Cathie Wood (ARK Invest)2016Q4$111.43+228.4%$862.2M
Ray Dalio (Bridgewater Associates)2018Q2$136.43+168.2%$73.1M
AQR Capital Management2016Q1$139.47+162.4%$469.5M
D.E. Shaw & Co.2016Q1$164.20+122.9%$25.0M
D.E. Shaw & Co.2016Q1$164.20+122.9%$25.0M
D.E. Shaw & Co.2016Q1$164.20+122.9%$25.0M
Ken Griffin (Citadel Advisors)2016Q1$182.63+100.4%$166.5M
Ken Griffin (Citadel Advisors)2016Q1$182.63+100.4%$166.5M
Ken Griffin (Citadel Advisors)2016Q1$182.63+100.4%$166.5M
Izzy Englander (Millennium Mgmt)2016Q1$183.76+99.1%$110.6M
Izzy Englander (Millennium Mgmt)2016Q1$183.76+99.1%$110.6M
Izzy Englander (Millennium Mgmt)2016Q1$183.76+99.1%$110.6M
Paul Tudor Jones (Tudor Investment)2016Q1$186.00+96.7%$25.1M
Paul Tudor Jones (Tudor Investment)2016Q1$186.00+96.7%$25.1M
Paul Tudor Jones (Tudor Investment)2016Q1$186.00+96.7%$25.1M
Two Sigma Investments2016Q4$192.10+90.5%$170.1M
Two Sigma Investments2016Q4$192.10+90.5%$170.1M
Wellington Management2016Q1$192.60+90.0%$23.8M
Wellington Management2016Q1$192.60+90.0%$23.8M
Steve Cohen (Point72)2018Q2$193.48+89.1%$3.9M
Steve Cohen (Point72)2018Q2$193.48+89.1%$3.9M
Steve Cohen (Point72)2018Q2$193.48+89.1%$3.9M

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions2
Added to7
Trimmed5
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
21
$189.15B
2022Q2
22
$133.17B
2022Q3
23
$121.2M
2022Q4
20
$2.07B
2023Q1
20
$2.47B
2023Q2
20
$2.99B
2023Q3
21
$2.53B
2023Q4
20
$2.67B
2024Q1
17
$2.78B
2024Q2
20
$3.25B
2024Q3
20
$661.0M
2024Q4
20
$897.1M
2025Q1
20
$693.1M
2025Q2
21
$922.9M
2025Q3
17
$1.79B
2025Q4
26
$2.59B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2025-10-31Lisa McClainSell$1K – $15KPDF ↗
2025-10-30Lisa McClainBuy$1K – $15KPDF ↗
2025-10-30Lisa McClainSell$1K – $15KPDF ↗
2025-06-17Lisa McClainBuy$1K – $15KPDF ↗
2025-04-01Julie JohnsonSell$1K – $15KPDF ↗
2025-03-03Julie JohnsonSell$1K – $15KPDF ↗
2025-02-12Julie JohnsonBuy$1K – $15KPDF ↗

Who owns TER

26 super-investors · 2025Q4
Tracked stake
17.57M
shares
Combined value
$2.59B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added14Trim8
#ManagerSharesValue
1Steve Cohen
Point72
2.82M$545M
2Cathie Wood
ARK Invest
2.36M$456M
3Norges Bank
Norway SWF
2.06M$399M
4Ken Griffin
Citadel Advisors
1.78M$344M
5AQR Capital Management1.28M$248M
6Two Sigma Investments464.9K$90M
7Ken Griffin
Citadel Advisors
455.0K$88M
8Ken Griffin
Citadel Advisors
437.7K$85M
9Izzy Englander
Millennium Mgmt
436.0K$84M
10Izzy Englander
Millennium Mgmt
302.2K$58M
11Paul Tudor Jones
Tudor Investment
229.3K$44M
12Ray Dalio
Bridgewater Associates
199.8K$39M
13D.E. Shaw & Co.165.2K$32M
14Izzy Englander
Millennium Mgmt
81.4K$16M
15Paul Tudor Jones
Tudor Investment
68.6K$13M
16D.E. Shaw & Co.68.4K$13M
17Wellington Management65.1K$13M
18D.E. Shaw & Co.56.4K$11M
19Paul Tudor Jones
Tudor Investment
16.6K$3M
20Steve Cohen
Point72
10.6K$2M
21Two Sigma Investments7.0K$1M
22T. Rowe Price4.20M$814K
23Steve Cohen
Point72
3.9K$755K
24Renaissance Technologies1.3K$252K
25Wellington Management1.1K$227K
26Baillie Gifford & Co341$66K

Recent moves

20 transactions
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