Primoris Services Corp

PRIMNYSE

$80.57+1.49 (+1.88% 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

Primoris Services Corp price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-42.2%). 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
BlackRock, Inc.	12.70%	$678M	0.01%	Not reported
Wellington Management Group LLP	8.69%	$463M	0.08%	Add 148.75%
Vanguard Portfolio Management LLC	5.80%	$310M	0.01%	Not reported
Vanguard Capital Management LLC	4.38%	$233M	0.01%	Not reported
First Trust Advisors LP	4.15%	$222M	0.13%	Reduce 22.57%
State Street Corp	3.37%	$180M	0.01%	Not reported
Millennium Management LLC	2.77%	$148M	0.05%	Not reported
Southpoint Capital Advisors LP	2.60%	$139M	3.16%	New Not reported
Morgan Stanley	2.39%	$127M	0.01%	Not reported
Dimensional Fund Advisors LP	2.20%	$117M	0.02%	Not reported
Geode Capital Management, LLC	2.04%	$109M	0.01%	Not reported
Nordea Investment Management AB	1.65%	$86.2M	0.07%	Add 1481.64%
American Century Companies Inc	1.64%	$87.7M	0.04%	Not reported
Point72 Asset Management, L.P.	1.63%	$86.9M	0.10%	Not reported
Invesco Ltd.	1.57%	$84M	0.01%	Not reported
Westfield Capital Management Co LP	1.37%	$73.1M	0.24%	Reduce 0.78%
FMR LLC	1.18%	$63.2M	0.00%	Not reported
Charles Schwab Investment Management Inc	1.03%	$55M	0.01%	Not reported
UBS Group AG	1.01%	$54M	0.01%	Not reported
Norges Bank	0.96%	$51.3M	0.01%	Not reported
Van Berkom & Associates Inc.	0.95%	$50.5M	1.63%	Reduce 44.97%
Frontier Capital Management Co LLC	0.87%	$46.5M	0.43%	New Not reported
Nuveen, LLC	0.86%	$45.9M	0.01%	Not reported
Madison Avenue Partners, LP	0.86%	$45.8M	1.97%	New Not reported
Mackenzie Financial Corp	0.86%	$45.8M	0.05%	Not reported
Federated Hermes, Inc.	0.83%	$44.1M	0.06%	Not reported
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	0.80%	$42.7M	0.05%	Not reported
Goldman Sachs Group Inc	0.80%	$42.7M	0.00%	Not reported
Electron Capital Partners, LLC	0.77%	$41.1M	1.64%	New Not reported
JPMorgan Chase & Co	0.75%	$39.5M	0.00%	Not reported
William Blair Investment Management, LLC	0.74%	$39.6M	0.12%	New Not reported
Value Holdings Management Co. LLC	0.74%	$39.6M	6.62%	Not reported
Cooper Creek Partners Management LLC	0.72%	$38.5M	0.91%	Not reported
Hennessy Advisors Inc	0.71%	$38.1M	1.22%	Add 22.96%
Bruni J V & Co	0.71%	$37.7M	3.45%	Reduce 12.85%
J. Safra Sarasin Holding AG	0.70%	$18.6M	0.27%	Not reported
Yaupon Capital Management LP	0.68%	$36.4M	0.72%	New Not reported
Principal Financial Group Inc	0.65%	$34.5M	0.02%	Not reported
Vanguard Fiduciary Trust Co	0.63%	$33.8M	0.01%	Not reported
Vontobel Holding Ltd.	0.63%	$33.5M	0.11%	New Not reported
Bank of New York Mellon Corp	0.60%	$32M	0.01%	Not reported
Northern Trust Corp	0.59%	$31.7M	0.00%	Not reported
Schroder Investment Management Group	0.56%	$29.5M	0.02%	Add 9.88%
Citadel Advisors LLC	0.56%	$30M	0.00%	Not reported
Marshall Wace, LLP	0.55%	$29.2M	0.02%	Not reported
Jacobs Levy Equity Management, Inc	0.52%	$27.9M	0.10%	Not reported
Canada Pension Plan Investment Board	0.46%	$24.6M	0.01%	Add 6101.70%
Merewether Investment Management, LP	0.39%	$21M	0.40%	Reduce 68.60%
Ameriprise Financial Inc	0.39%	$20.7M	0.00%	Not reported
Susquehanna International Group, LLP	0.38%	$20.5M	0.00%	Not reported

50 of 424 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