Teradyne, Inc. TER

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212.74 USD -38.25 (-15.24%)

At closeNov 5, 2026, 4:00 PM EST

216.65 +3.91 +1.84%

After hours · Nov 5, 4:00 PM ET

211.63 Day range 242.05

151.52 52-week range 487.91

Held by insiders 0.20%

Held by institutions 101.17%

Float held by institutions 101.37%

Institutions 1,953

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	11.19%	19,437,021	4.88B	Jun 29, 2026
Vanguard Capital Management LLC	5.89%	10,225,398	2.57B	Jun 29, 2026
Vanguard Portfolio Management LLC	4.97%	8,633,782	2.17B	Jun 29, 2026
State Street Corporation	4.20%	7,290,460	1.83B	Jun 29, 2026
Invesco Ltd.	3.85%	6,683,098	1.68B	Jun 29, 2026
JPMORGAN CHASE & CO	3.21%	5,570,053	1.40B	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	2.86%	4,969,718	1.25B	Jun 29, 2026
VANGUARD INDEX FUNDS-Vanguard 500 Index Fund	2.34%	4,056,022	1.02B	Jun 29, 2026
iShares Trust-iShares Semiconductor ETF	2.12%	3,673,692	922.06M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Mid-Cap Index Fund	1.95%	3,391,641	851.27M	Jun 29, 2026
Invesco QQQ Trust, Series 1	1.88%	3,265,674	819.65M	Sep 29, 2026
VanEck ETF Trust-VanEck Semiconductor ETF	1.34%	2,335,033	586.07M	Sep 29, 2026

TER insiders
Insider	Relation	Latest transaction	Date	Shares held
BURNS RICHARD JOHN	Officer	Sale	Feb 3, 2025	25,190
HERWECK PETER	Director	Stock Award(Grant)	Sep 23, 2026	16,282
KUMAR UJJWAL	Officer	Stock Award(Grant)	Jan 30, 2025	17,026
MATZ MARILYN	Director	Sale	Oct 20, 2026	12,640
MEHTA SANJAY	Chief Financial Officer	Sale	Feb 3, 2025	36,576
MILLS REGAN	Officer	Sale	Apr 7, 2026	11,399

Held by funds