$CNSY

$1.66 +$0.09 (5.73%) Close

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

Ownership

13F as of Q2 2026 · 7.6M shares outstanding

Who owns CNSY?

By type of holder

Institutions 8.7% Insiders 1.2% Everyone else 90.1%

Concentration Top 10 holders own 8.2%

Vanguard Capital Management LLC 4.0% · Geode Capital Management, LLC 1.0%

Institutional ownership

8.7%

-91.3 pts vs last qtr

Institutional holders

-3 vs last qtr

Net shares bought

−8.5M

by institutions in Q2 2026

New / sold out

8 / 11

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Citadel Advisors LLC NEW +25.6K
Virtu Financial LLC NEW +15.3K

Biggest sellers in Q2 2026

Vanguard Capital Management LLC −2.1M
Geode Capital Management, LLC −1.9M

Who is planning to sell?

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

Is your stake being diluted?

Diluted share count, FY2022–FY2025

+393.9%

+70.30% a year

Each share's claim on the business

−79.8%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $3.27M

over 4 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years78% 1–3 years1% Under 1 year21%

Quarterly turnover

47.1%

of institutional shares changed hands

Top 10 managers, median time held

3 quarters

Super Investors

Investment managers reporting CNSY on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
VC Vanguard Capital Management LLC	304.7K	4.02%	−2.1M (−87.4%)	2023	0.0%
Shares held by quarter Peak holding2.4M (Q1'26) Change over 8 quarters+304.7K Share of the company4.020% Vanguard Capital Management LLC's full portfolio →
GC Geode Capital Management, LLC	76.2K	1.00%	−1.9M (−96.2%)	2023	0.0%
Shares held by quarter Peak holding2.0M (Q1'26) Change over 8 quarters+21.9K Share of the company1.000% Geode Capital Management, LLC's full portfolio →

Vanguard Capital Management LLC

304.7K

% of company

4.02%

Change vs last qtr

−2.1M (−87.4%)

Held since

2023

Geode Capital Management, LLC

76.2K

% of company

1.00%

Change vs last qtr

−1.9M (−96.2%)

Held since

2023

25 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting CNSY on Form N-PORT; together they hold 5.0% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$889K	203.5K	2.68%	0.00%	June 30, 2026
VE Vanguard Extended Market Index Fund Vanguard Index Funds	$377K	86.2K	1.14%	0.00%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$889K

% of company

2.68%

% of the fund

0.00%

As of

June 30, 2026

Vanguard Extended Market Index Fund

Vanguard Index Funds

Position value

$377K

% of company

1.14%

% of the fund

0.00%

As of

June 30, 2026

8 more funds behind a free account

See every fund holding Cerenome, 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
HM Hedrick Marc H Insider	60.9K	0.80%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.800% Hedrick Marc H's insider activity →
SA Sims Andrew John Hugh MacIntyre Insider	12.9K	0.17%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.170% Sims Andrew John Hugh MacIntyre's insider activity →

Hedrick Marc H

Insider

60.9K

% of company

0.80%

Change vs last qtr

—

Held since

—

Sims Andrew John Hugh MacIntyre

Insider

12.9K

% of company

0.17%

Change vs last qtr

—

Held since

—

6 more holders behind a free account

See every insider and 5%+ holder of Cerenome, Inc.

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