SIRONA DENTAL SYSTEMS, INC.

SCHK

$37.30+0.28 (+0.76% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

SIRONA DENTAL SYSTEMS, INC. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+15.1%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Financial Engines Advisors L.L.C.	37.41%	$1.51B	2.68%	Reduce 3.87%
Armstrong Advisory Group, Inc	5.82%	$235M	14.31%	Add 163.08%
Legacy Wealth Management, LLC	5.22%	$211M	11.03%	Reduce 2.54%
Charles Schwab Investment Management Inc	4.32%	$174M	0.02%	Not reported
Creative Planning	3.44%	$139M	0.08%	Not reported
Warwick Investment Management, Inc.	3.20%	$129M	14.51%	Add 0.14%
Waddell & Associates, LLC	1.91%	$77.3M	3.83%	Add 0.17%
Pension & Wealth Management Advisors, Inc.	1.17%	$47.2M	12.73%	Reduce 2.82%
Plum Street Advisors, LLC	0.60%	$24.2M	7.73%	Reduce 6.93%
Focus Partners Wealth	0.51%	$20.7M	0.02%	Not reported
FreeGulliver LLC	0.43%	$17.4M	6.14%	Not reported
Main Street Financial Solutions, LLC	0.42%	$16.8M	1.08%	Add 3.75%
Mariner, LLC	0.40%	$16.2M	0.02%	Not reported
Lighthouse Wealth Management Inc.	0.34%	$13.6M	8.46%	Reduce 3.48%
Cornerstone Advisors Asset Management, LLC	0.23%	$9.32M	1.22%	Add 0.11%
LPL Financial LLC	0.22%	$8.93M	0.00%	Not reported
Cerity Partners LLC	0.17%	$6.69M	0.01%	Not reported
NorthRock Partners, LLC	0.15%	$6.17M	0.09%	Reduce 2.40%
Bank of America Corp	0.14%	$5.73M	0.00%	Not reported
HBK Sorce Advisory LLC	0.11%	$4.63M	0.09%	Not reported
Wealth Enhancement Advisory Services, LLC	0.10%	$4.25M	0.01%	Not reported
Principia Wealth Advisory, LLC	0.10%	$4.2M	2.09%	Add 1091.87%
Donor Advised Charitable Giving, Inc.	0.10%	$4.17M	0.09%	Reduce 1.44%
MAI Capital Management	0.10%	$3.95M	0.01%	Not reported
US Bancorp \de\	0.09%	$3.79M	0.00%	Not reported
Visionary Wealth Advisors	0.09%	$3.7M	0.15%	Not reported
Wescott Financial Advisory Group, LLC	0.08%	$3.38M	0.26%	Add 3.10%
Signature Estate & Investment Advisors LLC	0.08%	$3.38M	0.06%	Reduce 56.96%
Captrust Financial Advisors	0.08%	$3.19M	0.00%	Not reported
Morgan Stanley	0.08%	$3.14M	0.00%	Not reported
Wolfstich Capital, LLC	0.08%	$1.39M	1.07%	Reduce 20.28%
FMR LLC	0.08%	$3.08M	0.00%	Not reported
Orser Capital Management, LLC	0.07%	$3.02M	1.50%	Add 2.36%
Fiduciary Financial Group, LLC	0.07%	$2.97M	0.34%	Add 100.15%
Cetera Investment Advisers	0.07%	$2.95M	0.00%	Not reported
Crusonia Wealth Advisors LLC	0.07%	$2.81M	0.46%	Reduce 0.72%
Bawa N Mallick Trust	0.07%	$2.79M	0.90%	Add 10.94%
Aptus Capital Advisors, LLC	0.07%	$2.78M	0.02%	Add 0.68%
Guardian Wealth Advisors, LLC / NC	0.07%	$2.78M	0.16%	Add 0.68%
MML Investors Services, LLC	0.06%	$2.52M	0.01%	Add 3.31%
Kohmann Bosshard Financial Services, LLC	0.05%	$2.2M	0.19%	Not reported
Northwestern Mutual Wealth Management Co	0.05%	$2.11M	0.00%	Not reported
WESPAC Advisors, LLC	0.05%	$2.06M	1.00%	New Not reported
BlackRock, Inc.	0.05%	$1.96M	0.00%	Not reported
Renaissance Technologies LLC	0.04%	$1.77M	0.00%	Not reported
Sherrill & Hutchins Financial Advisory, Inc	0.04%	$1.67M	0.80%	Add 0.02%
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management	0.04%	$1.57M	0.02%	Add 0.49%
Gemmer Asset Management LLC	0.04%	$1.49M	0.10%	Not reported
Richardson Capital Management LLC	0.04%	$1.43M	0.61%	Reduce 1.03%
Diversified Trust Co	0.04%	$1.43M	0.02%	Not reported

50 of 251 holders

Activity score

Premium

100

WEAK

STRONG

Unlock

AI Activity Analysis

Premium

Coming soonAI reads of insider, institutional and company activity will appear here for Premium accounts.

Historical Activity Patterns

Premium

Historical Activity PatternsHistorical periods where multiple activity categories converged, with subsequent market performance shown for context.Unlock