Primoris Services PRIM Institutional Ownership

NYSE PRIM

$77.18 -2.06 (-2.60%)

At close: Aug 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

500 Institutions

Increased 258 51.6%

Unchanged 56 11.2%

Reduced 186 37.2%

Ownership Statistics

13F · as of 31 Mar, 2026

Institutional Ownership

922,030.53%

▼-71,336.90 pp QoQ

Shares Held by Institutions

55.32Mn

of 6.00K outstanding

▲+8.71% QoQ

Shares Outstanding

6.00K

-55.32Mn held outside 13F filers

Institutional Investors

500

filed 13F for Mar 2026

▲+32 vs prior quarter

Net Shares Added (QoQ)

+4.43Mn

accumulated since last quarter

Value of Holdings

$4.42Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 31 Mar, 2026

Primoris Services Corp (NYSE:PRIM) is held by 500 institutional investors per 13F filings through March 2026.

Their combined ownership stood at 922030.5% of outstanding shares in March 2026, down from 993367.4% in December 2025.
Their total shares held in PRIM increased 8.71% from the prior quarter, while the number of investors in Primoris Services increased 35.5% year over year.
Activity in PRIM broke down as 258 buyers, 186 sellers, and 56 unchanged among 500 total holders.
The aggregate institutional position in Primoris Services amounted to 55.32Mn shares as of March 2026, up by 4.43Mn shares quarter on quarter, and down 910.76K shares year over year.
BlackRock, Inc. leads ownership in PRIM with 8.34Mn shares as of March 31, 2026, equal to 139011.0% of outstanding shares.
Top purchasers of PRIM stock for the quarter ending March 2026 included VANGUARD PORTFOLIO MANAGEMENT LLC (3.65Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.34Mn), FIRST TRUST ADVISORS LP (928.16K), PRICE T ROWE ASSOCIATES INC /MD/ (714.52K), MILLENNIUM MANAGEMENT LLC (399.04K).
The biggest sellers of Primoris Services for the quarter ending March 2026 included FULLER & THALER ASSET MANAGEMENT, INC. (3.11Mn), Goldman Sachs Group Inc (481.1K), Qube Research & Technologies Ltd (293.13K), D. E. Shaw & Co., Inc. (280.17K), WESTFIELD CAPITAL MANAGEMENT CO LP (208.93K).
According to Business Quant data, leading holders of PRIM for March 2026 are BlackRock, Inc. (8.34Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (3.65Mn), FULLER & THALER ASSET MANAGEMENT, INC. (2.97Mn), FIRST TRUST ADVISORS LP (2.89Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.34Mn), State Street Corp (2.06Mn), WELLINGTON MANAGEMENT GROUP LLP (1.88Mn), GEODE CAPITAL MANAGEMENT, LLC (1.46Mn), Invesco Ltd. (1.4Mn), DIMENSIONAL FUND ADVISORS LP (1.16Mn).

Form 13F Holdings

500 Institutional Holders

Report period 31 Mar, 2026

Total shares held 55.32Mn

Of outstanding 922,030.53%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	8,340,660	139,011.00%	▲44,535	+0.54%	$1.19Bn
2	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	3,653,916	60,898.60%	▲3,653,916	0.00%	$522.66Mn
3	FULLER & THALER ASSET MANAGEMENT, INC.	0001082327	2,966,901	49,448.35%	▼3,109,595	-51.17%	$424.39Mn
4	FIRST TRUST ADVISORS LP	0001125816	2,886,163	48,102.72%	▲928,155	+47.40%	$412.84Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,335,748	38,929.13%	▲2,335,748	0.00%	$334.11Mn
6	State Street Corp	0000093751	2,063,531	34,392.18%	▲52,043	+2.59%	$295.33Mn
7	WELLINGTON MANAGEMENT GROUP LLP	0000902219	1,879,600	31,326.67%	▲133,397	+7.64%	$268.86Mn
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,456,181	24,269.68%	▲131,078	+9.89%	$208.33Mn
9	Invesco Ltd.	0000914208	1,396,747	23,279.12%	▲338,469	+31.98%	$199.79Mn
10	DIMENSIONAL FUND ADVISORS LP	0000354204	1,159,121	19,318.68%	▼56,028	-4.61%	$165.77Mn
11	AMERICAN CENTURY COMPANIES INC	0000748054	1,078,124	17,968.73%	▲19,012	+1.80%	$154.21Mn
12	Van Berkom & Associates Inc.	0001524408	925,166	15,419.43%	▲352,445	+61.54%	$132.34K
13	Artemis Investment Management LLP	0001535385	879,580	14,659.67%	▲79,897	+9.99%	$125.82Mn
14	CONGRESS ASSET MANAGEMENT CO	0000897378	818,096	13,634.93%	▲2,826	+0.35%	$117.02Mn
15	WESTFIELD CAPITAL MANAGEMENT CO LP	0001177719	743,269	12,387.82%	▼208,927	-21.94%	$106.32Mn
16	Goldman Sachs Group Inc	0000886982	743,212	12,386.87%	▼481,096	-39.30%	$106.31Mn
17	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	714,521	11,908.68%	▲714,521	0.00%	$102.21K
18	FMR LLC	0000315066	705,992	11,766.53%	▼8,012	-1.12%	$100.99Mn
19	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	683,583	11,393.05%	▼27,311	-3.84%	$97.78Mn
20	ALLIANCEBERNSTEIN L.P.	0001109448	683,386	11,389.77%	▼126,321	-15.60%	$84.84Mn

Showing 1 to 20 of 500 holders