Coherent

COHR · NYSE

$231.80−$0.22 (−0.09%)TodayMarket closed · Oct 20, 4:05 PM ET

Prev close $232.02

Who owns COHR

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 5.8% of COHR’s shares.

The Vanguard Group, Inc.1.2%
BlackRock Institutional Trust Company, N.A.1.0%
Goldman Sachs & Company, Inc.0.9%
Pentwater Capital Management LP0.7%
Next 6 largest institutions2.0%
All other shareholders94.2%

Top institutional holders of COHR
Holder	Shares	% of shares	Change, last filing	Filed
The Vanguard Group, Inc.	2.30M	1.18%	+12.74K	Dec 31, 2021
BlackRock Institutional Trust Company, N.A.	1.88M	0.96%	+29.55K	Dec 31, 2021
Goldman Sachs & Company, Inc.	1.78M	0.91%	+1.31M	Dec 31, 2021
Pentwater Capital Management LP	1.40M	0.72%	−134.00K	Dec 31, 2021
Westchester Capital Management, LLC	797.69K	0.41%	−28.21K	Dec 31, 2021
BofA Global Research (US)	764.29K	0.39%	−1.81K	Dec 31, 2021
Magnetar Capital Partners LP	683.03K	0.35%	+11.72K	Dec 31, 2021
State Street Global Advisors (US)	616.24K	0.31%	+15.38K	Dec 31, 2021
Alpine Associates Management Inc.	591.98K	0.30%	−34.16K	Dec 31, 2021
National Bank of Canada	439.00K	0.22%	+439.00K	Dec 31, 2021

Largest mutual fund holders

Top mutual fund holders of COHR
Holder	Shares	% of shares	Change, last filing	Filed
Merger Fund	746.80K	0.38%	−10.23K	Dec 31, 2021
Vanguard Total Stock Market Index Fund	718.05K	0.37%	+14.61K	Mar 31, 2022
iShares Core S&P Mid-Cap ETF	703.10K	0.36%	+16.79K	Mar 31, 2022
Vanguard Small-Cap Index Fund	620.97K	0.32%	+4.63K	Mar 31, 2022
Vanguard Small-Cap Growth Index Fund	374.85K	0.19%	−7.07K	Mar 31, 2022

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders sold $10.65M (15 trades) of COHR on the open market, with no buys.

Latest COHR insider transactions
Insider	Date	Type	Shares	Price	Value
Luther Sherri R	Oct 12, 2026	Tax withholding	18.28K	$312.62	$5.72M
Place Jeffrey B.	Oct 1, 2026	Tax withholding	641	$287.81	$184.49K
Digirolomo Enrico	Sep 11, 2026	Gift	1.28K	—	—
Digirolomo Enrico	Sep 11, 2026	Sale	5.32K	$305.98	$1.63M
Beard Robert P	Sep 9, 2026	Sale	500	$309.32	$154.66K
Neal-Graves Lisa	Sep 2, 2026	Sale	2.20K	$268.42	$590.52K
Eng Julie Sheridan	Sep 1, 2026	Sale	6.03K	$270.69	$1.63M
Digirolomo Enrico	Aug 31, 2026	Sale	2.27K	$276.85	$629.00K
Eng Julie Sheridan	Aug 31, 2026	Sale	7.05K	$276.83	$1.95M
SKAGGS STEPHEN A	Aug 31, 2026	Sale	2.27K	$276.88	$629.06K

Congressional trades

Disclosed by members of Congress over the last 12 months

COHR trades disclosed by members of Congress
Member	Type	Amount	Traded	Filed
Gilbert CisnerosHouse	Sale	$1K–$15K	Aug 18, 2026	Sep 11, 2026
Gil CisnerosHouse	Purchase	$1K–$15K	Mar 25, 2026	Apr 7, 2026
Markwayne MullinSenator	Sale (Full)	$15K–$50K	Feb 4, 2026	Mar 2, 2026
Markwayne MullinSenator	Sale (Full)	$15K–$50K	Dec 18, 2025	Jan 13, 2026
Markwayne MullinSenator	Sale (Full)	$15K–$50K	Dec 18, 2025	Jan 13, 2026
Lisa McClainHouse	Sale	$1K–$15K	Oct 31, 2025	Nov 21, 2025
Lisa McClainHouse	Purchase	$1K–$15K	Oct 30, 2025	Nov 21, 2025

Short interest

Settled Sep 30, 2026

Shares short: 11.04M
Days to cover: 1.67
% of shares outstanding: 5.64%
Average daily volume: 6.60M
Change since last report: +8.5%

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