Vivani Medical

VANI on Nasdaq. Market value $113m.

Watch this stockFree. We tell you when something changes.

Should I look at this?

We have not checked this company yet

This is not advice.

Compare with another stock

Who owns it

None of the long-term investors we follow own it. 38 funds in all.

Jun '25

Dec '25

Jun '26

Largest holders overall

Vanguard Capital Management
$2m
Added
Tanager Wealth Management LLP
$753,022
Cut
Geode Capital Management
$728,911
Cut
Tudor Investment Corp ET AL
$509,518
Cut
Commonwealth Equity Services
$409,900
Vanguard Fiduciary Trust
$403,573
Added
BlackRock
$374,267
Monetary Management Group
$240,531
State Street
$192,157
Northern Trust
$144,965
Added

From 13F filings for the quarter ended 30 June 2026.

Big holders and activists

1 investor owns more than 5%.

Williams Gregg
Insider or founder
at least 47.1%
(filed with 4 related holders)
Since 15 May 2026
What they said
The Reporting Persons, directly or indirectly through certain affiliates, acquired the shares of the Issuer for investment purposes. Nevertheless, as a result of his appointment in March 2018 as the non-executive Chairman of the Board of Directors and his beneficial share…
Read the filing

Holder	Stake	Since
Williams Gregg Insider or founder	at least 47.1% (filed with 4 related holders)	15 May 2026	What they said The Reporting Persons, directly or indirectly through certain affiliates, acquired the shares of the Issuer for investment purposes. Nevertheless, as a result of his appointment in March 2018 as the non-executive Chairman of the Board of Directors and his beneficial share… Read the filing

From Schedule 13D and 13G filings: anyone owning more than 5% must file one.

What insiders did

In the last 12 months, 2 insiders bought $27m of shares on the open market.

Williams Gregg
Director
Bought
Date
15 July 2026
Shares
793,650
Price
$1.26
Value
$999,999
Williams Gregg
Director
Bought
Date
15 June 2026
Shares
1,587,301
Price
$1.26
Value
$2m
Williams Gregg
Director
Bought
Date
15 May 2026
Shares
1,587,301
Price
$1.26
Value
$2m
Williams Gregg
Director
Bought
Date
15 April 2026
Shares
1,587,301
Price
$1.26
Value
$2m
Williams Gregg
Director
Bought
Date
15 March 2026
Shares
1,575,231
Price
$1.07
Value
$2m
Williams Gregg
Director
Bought
Date
15 February 2026
Shares
1,866,492
Price
$1.06
Value
$2m
Williams Gregg
Director
Bought
Date
27 January 2026
Shares
1,351,351
Price
$1.48
Value
$2m
Williams Gregg
Director
Bought
Date
15 January 2026
Shares
1,737,765
Price
$1.14
Value
$2m
Mendelsohn Aaron
Director
Bought
Date
29 December 2025
Shares
20,000
Price
$1.23
Value
$24,600
Williams Gregg
Director
Bought
Date
15 December 2025
Shares
1,737,765
Price
$1.14
Value
$2m

Date	Who	Did	Shares	Price	Value
15 July 2026	Williams Gregg Director	Bought	793,650	$1.26	$999,999
15 June 2026	Williams Gregg Director	Bought	1,587,301	$1.26	$2m
15 May 2026	Williams Gregg Director	Bought	1,587,301	$1.26	$2m
15 April 2026	Williams Gregg Director	Bought	1,587,301	$1.26	$2m
15 March 2026	Williams Gregg Director	Bought	1,575,231	$1.07	$2m
15 February 2026	Williams Gregg Director	Bought	1,866,492	$1.06	$2m
27 January 2026	Williams Gregg Director	Bought	1,351,351	$1.48	$2m
15 January 2026	Williams Gregg Director	Bought	1,737,765	$1.14	$2m
29 December 2025	Mendelsohn Aaron Director	Bought	20,000	$1.23	$24,600
15 December 2025	Williams Gregg Director	Bought	1,737,765	$1.14	$2m

From Form 4 filings: insiders must report trades in their own company's shares within two days.

The deep dive

Everything above is arithmetic on public filings. The deep dive reads the last ten years of annual reports, the proxy statements, and the earnings calls, then argues the case the way Buffett, Klarman, and Hohn would, and checks every claim against the source.

What the business is worth, as a range, and the margin of safety at today’s price
Prices to start buying, buy, and buy hard
The three things that would make this a mistake
Every number footnoted to the filing it came from

Create a free account to run it

Your first deep dive is free.

What a finished deep dive looks like

Not advice. Numbers on this page come from SEC filings and are updated each night; prices are updated again after the US market closes. The five-year figures are rounded.