$STRL

$360.72 +$5.42 (1.53%) Close

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

Ownership

13F as of Q2 2026 · 30.6M shares outstanding

Who owns STRL?

By type of holder

Institutions 85.3% Insiders 2.4% Everyone else 12.3%

Concentration Top 10 holders own 38.9%

BlackRock, Inc. 10.6% · FMR LLC 3.8%

Institutional ownership

85.3%

-6.5 pts vs last qtr

Institutional holders

888

+179 vs last qtr

Net shares bought

−2.0M

by institutions in Q2 2026

New / sold out

238 / 59

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Jane Street Group, LLC +754.1K
Lone Pine Capital LLC NEW +609.6K

Biggest sellers in Q2 2026

BlackRock, Inc. −750.9K
Janus Henderson Group PLC SOLD OUT −619.1K

Who is planning to sell?

Notices of proposed sale, last 12 months

$93.8M

10 notices from 6 people

Shares covered

216.3K

0.71% of the company

Arranged in advance

98%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Joseph Anthony Cutillo Officer 10b5-1 $86.2M
Wolf Mark D. Officer $2.22M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+33.7%

+3.28% a year

Each share's claim on the business

−25.2%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$153M vs $105M

over 10 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+ years59% 3–5 years6% 1–3 years13% Under 1 year22%

Quarterly turnover

23.1%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting STRL on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	3.2M	10.57%	−750.9K (−18.8%)	≤2021	0.0%
Shares held by quarter Peak holding4.6M (Q3'25) Change over 8 quarters+332.7K Share of the company10.570% BlackRock, Inc.'s full portfolio →
F FMR LLC	1.2M	3.84%	−298.6K (−20.2%)	≤2021	0.0%
Shares held by quarter Peak holding1.8M (Q2'25) Change over 8 quarters−580.1K Share of the company3.840% FMR LLC's full portfolio →

BlackRock, Inc.

3.2M

% of company

10.57%

Change vs last qtr

−750.9K (−18.8%)

Held since

≤2021

FMR LLC

1.2M

% of company

3.84%

Change vs last qtr

−298.6K (−20.2%)

Held since

≤2021

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting STRL on Form N-PORT; together they hold 52.0% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Mid-Cap ETF iShares Trust	$881M	1.1M	3.43%	0.71%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$777M	925.4K	3.03%	0.03%	June 30, 2026

iShares Core S&P Mid-Cap ETF

iShares Trust

Position value

$881M

% of company

3.43%

% of the fund

0.71%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$777M

% of company

3.03%

% of the fund

0.03%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Sterling Infrastructure, 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
CJ Cutillo Joseph A Insider	290.6K	0.95%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.950% Cutillo Joseph A's insider activity →
BR Ballschmiede Ronald A Insider	258.3K	0.84%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.840% Ballschmiede Ronald A's insider activity →

Cutillo Joseph A

Insider

290.6K

% of company

0.95%

Change vs last qtr

—

Held since

—

Ballschmiede Ronald A

Insider

258.3K

% of company

0.84%

Change vs last qtr

—

Held since

—

12 more holders behind a free account

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

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