$VIVS

$0.15 +$0.00 (2.36%) Close

$VIVS Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 14.9M shares outstanding

Who owns VIVS?

By type of holder

Institutions 0.7% Insiders 5.9% Everyone else 93.4%

Concentration Top 10 holders own 6.4%

Murphy Keith 2.8% · Stern Adam K 1.6%

Institutional ownership

0.7%

0.0 pts vs last qtr

Institutional holders

+1 vs last qtr

Net shares bought

+5.4K

by institutions in Q2 2026

New / sold out

4 / 3

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Renaissance Technologies LLC NEW +18.5K
HRT Financial LP NEW +18.3K

Biggest sellers in Q2 2026

Goldman Sachs Group Inc SOLD OUT −16.1K
Geode Capital Management, LLC −10.9K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for VivoSim Labs Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2024–FY2026

+239.6%

+84.29% a year

Each share's claim on the business

−70.6%

shrank without buying or selling a share

Diluted shares, split-adjusted

How patient are the owners?

Institutional shares by how long they've been held

5+ years39% 3–5 years0% 1–3 years0% Under 1 year61%

Quarterly turnover

38.1%

of institutional shares changed hands

Top 10 managers, median time held

1.5 years

Super Investors

Investment managers reporting VIVS on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
GC Geode Capital Management, LLC	26.0K	0.17%	−10.9K (−29.5%)	Q3 '25	0.0%
Shares held by quarter Peak holding125.5K (Q3'24) Change over 8 quarters−99.5K Share of the company0.170% Geode Capital Management, LLC's full portfolio →
RT Renaissance Technologies LLC	18.5K	0.12%	NEW	Q2 '26	0.0%
Shares held by quarter Peak holding44.0K (Q3'24) Change over 8 quarters−25.5K Share of the company0.120% Renaissance Technologies LLC's full portfolio →

Geode Capital Management, LLC

26.0K

% of company

0.17%

Change vs last qtr

−10.9K (−29.5%)

Held since

Q3 '25

Renaissance Technologies LLC

18.5K

% of company

0.12%

Change vs last qtr

NEW

Held since

Q2 '26

26 more super investors behind a free account

See every manager holding VivoSim Labs Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting VIVS on Form N-PORT; together they hold 0.3% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
FE Fidelity Extended Market Index Fund Fidelity Concord Street Trust	$32.2K	24.5K	0.17%	0.00%	May 31, 2026
VE Vanguard Extended Market Index Fund Vanguard Index Funds	$16.4K	15.4K	0.10%	0.00%	June 30, 2026

Fidelity Extended Market Index Fund

Fidelity Concord Street Trust

Position value

$32.2K

% of company

0.17%

% of the fund

0.00%

As of

May 31, 2026

Vanguard Extended Market Index Fund

Vanguard Index Funds

Position value

$16.4K

% of company

0.10%

% of the fund

0.00%

As of

June 30, 2026

3 more funds behind a free account

See every fund holding VivoSim Labs Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
MK Murphy Keith Insider	408.3K	2.75%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company2.750% Murphy Keith's insider activity →
SA Stern Adam K Insider	230.8K	1.55%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company1.550% Stern Adam K's insider activity →

Murphy Keith

Insider

408.3K

% of company

2.75%

Change vs last qtr

—

Held since

—

Stern Adam K

Insider

230.8K

% of company

1.55%

Change vs last qtr

—

Held since

—

4 more holders behind a free account

See every insider and 5%+ holder of VivoSim Labs Inc.

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