$PRIM

$69.12 +$2.61 (3.92%) Close

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

Ownership

13F as of Q2 2026 · 53.8M shares outstanding

Who owns PRIM?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 50.1%

BlackRock, Inc. 12.7% · Wellington Management Group LLP 8.7%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

443

-64 vs last qtr

Net shares bought

−342.9K

by institutions in Q2 2026

New / sold out

114 / 178

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Wellington Management Group LLP +2.8M
Southpoint Capital Advisors LP NEW +1.4M

Biggest sellers in Q2 2026

Fuller & Thaler Asset Management, Inc. SOLD OUT −3.0M
BlackRock, Inc. −1.5M

Who is planning to sell?

Notices of proposed sale, last 12 months

$10.9M

9 notices from 6 people

Shares covered

86.2K

0.16% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Perisich John M. Officer $3.8M
King David Lee Director $2.84M

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

+5.4%

+0.59% a year

Each share's claim on the business

−5.1%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$62.2M vs $73.3M

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+ years62% 3–5 years2% 1–3 years14% Under 1 year22%

Quarterly turnover

31.5%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting PRIM on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	6.8M	12.70%	−1.5M (−18.0%)	≤2021	0.0%
Shares held by quarter Peak holding8.3M (Q1'26) Change over 8 quarters+1.2M Share of the company12.700% BlackRock, Inc.'s full portfolio →
WM Wellington Management Group LLP	4.7M	8.69%	+2.8M (+148.7%)	≤2021	0.1%
Shares held by quarter Peak holding4.7M (Q2'26) Change over 8 quarters+4.5M Share of the company8.690% Wellington Management Group LLP's full portfolio →

BlackRock, Inc.

6.8M

% of company

12.70%

Change vs last qtr

−1.5M (−18.0%)

Held since

≤2021

Wellington Management Group LLP

4.7M

% of company

8.69%

Change vs last qtr

+2.8M (+148.7%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Primoris Services Corporation, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting PRIM on Form N-PORT; together they hold 64.2% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$324M	3.3M	6.07%	0.29%	June 30, 2026
FB Fullerthaler Behavioral Small Cap Equity Capitol Series Trust	$306M	2.1M	3.97%	2.74%	March 31, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$324M

% of company

6.07%

% of the fund

0.29%

As of

June 30, 2026

Fullerthaler Behavioral Small Cap Equity

Capitol Series Trust

Position value

$306M

% of company

3.97%

% of the fund

2.74%

As of

March 31, 2026

23 more funds behind a free account

See every fund holding Primoris Services Corporation 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
SJ Schauerman John Insider	1.9M	3.56%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company3.560% Schauerman John's insider activity →
PJ Perisich John M. Insider	133.6K	0.25%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.250% Perisich John M.'s insider activity →

Schauerman John

Insider

1.9M

% of company

3.56%

Change vs last qtr

—

Held since

—

Perisich John M.

Insider

133.6K

% of company

0.25%

Change vs last qtr

—

Held since

—

13 more holders behind a free account

See every insider and 5%+ holder of Primoris Services Corporation.

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