ORION GROUP HOLDINGS INC (ORN) Institutional Shareholders
ORION GROUP HOLDINGS INC (ORN) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $572.33M in ORN holdings during the latest filing period.
Brandes Investment Partners, Lp is currently the largest disclosed institutional shareholder of ORN tracked by InsiderSet, reporting ownership valued at approximately $82.66M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $47.57M, representing an estimated loss of -42.45% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 55% of the total disclosed ORN value among the investors covered in this analysis. Major shareholders include Brandes Investment Partners, Lp, Blackrock, Inc., Wasatch Advisors Lp, and several other long-term asset managers with concentrated positions in ORION GROUP HOLDINGS INC (ORN).
This page ranks the largest institutional ORN shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
178
Total Reported Value
$572.33M
Largest Holder
Brandes Investment Partners, Lp
Largest Position
$82.66M
Insider Transactions (90d)
10
Latest Filing Quarter
Q2 2026
New Institutional Positions
70
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Brandes Investment Partners, Lp | 0.58% | 4,914,450 | $82,661,049 | $47,571,876 | -$35,089,173 | -42.45% | |
| Blackrock, Inc. | 0.00% | 3,008,011 | $50,594,746 | $29,117,546 | -$21,477,200 | -42.45% | |
| Wasatch Advisors Lp | 0.22% | 2,014,110 | $33,877,330 | $19,496,585 | -$14,380,745 | -42.45% | |
| Vanguard Capital Management Llc | 0.00% | 1,695,318 | $28,515,249 | $16,410,678 | -$12,104,571 | -42.45% | |
| Royce & Associates Lp | 0.22% | 1,601,034 | $26,929,392 | $15,498,009 | -$11,431,383 | -42.45% | |
| Dimensional Fund Advisors Lp | 0.00% | 1,477,688 | $24,855,978 | $14,304,020 | -$10,551,958 | -42.45% | |
| Gendell Jeffrey L | 0.17% | 1,104,300 | $18,574,326 | $10,689,624 | -$7,884,702 | -42.45% | |
| Next Century Growth Investors Llc | 0.88% | 988,549 | $16,627,394 | $9,569,154 | -$7,058,240 | -42.45% | |
| Geode Capital Management, Llc | 0.00% | 976,121 | $16,422,674 | $9,448,851 | -$6,973,823 | -42.46% | |
| Grace & White Inc | 2.16% | 812,722 | $13,669,984 | $7,867,149 | -$5,802,835 | -42.45% | |
| State Street Corp | 0.00% | 784,845 | $13,201,093 | $7,597,300 | -$5,603,793 | -42.45% | |
| Citadel Advisors Llc | 0.01% | 693,401 | $11,663,005 | $6,712,122 | -$4,950,883 | -42.45% | |
| Silvercrest Asset Management Group Llc | 0.08% | 683,217 | $11,491,710 | $6,613,541 | -$4,878,169 | -42.45% | |
| Kennedy Capital Management Llc | 0.20% | 677,132 | $11,389,360 | $6,554,638 | -$4,834,722 | -42.45% | |
| First Wilshire Securities Management Inc | 1.80% | 518,879 | $8,727,545 | $5,022,749 | -$3,704,796 | -42.45% | |
| Essex Investment Management Co Llc | 0.98% | 442,603 | $7,444,582 | $4,284,397 | -$3,160,185 | -42.45% | |
| Vanguard Portfolio Management Llc | 0.00% | 437,585 | $7,360,180 | $4,235,823 | -$3,124,357 | -42.45% | |
| De Lisle Partners Llp | 0.77% | 419,651 | $7,066,723 | $4,062,222 | -$3,004,501 | -42.52% | |
| Allspring Global Investments Holdings, Llc | 0.01% | 452,219 | $6,986,783 | $4,377,480 | -$2,609,303 | -37.35% | |
| Westerly Capital Management, Llc | 1.29% | 415,000 | $6,980,300 | $4,017,200 | -$2,963,100 | -42.45% | |
| Simcoe Capital Llc | 3.76% | 366,441 | $6,163,538 | $3,547,149 | -$2,616,389 | -42.45% | |
| Sg Capital Management Llc | 0.56% | 365,177 | $6,142,277 | $3,534,913 | -$2,607,364 | -42.45% | |
| Archon Capital Management Llc | 2.42% | 353,980 | $5,953,944 | $3,426,526 | -$2,527,418 | -42.45% | |
| Millennium Management Llc | 0.00% | 328,165 | $5,519,735 | $3,176,637 | -$2,343,098 | -42.45% | |
| Algert Global Llc | 0.06% | 323,314 | $5,438,141 | $3,129,680 | -$2,308,461 | -42.45% | |
| Northern Trust Corp | 0.00% | 320,364 | $5,388,522 | $3,101,124 | -$2,287,398 | -42.45% | |
| Vanguard Fiduciary Trust Co | 0.00% | 277,035 | $4,659,729 | $2,681,699 | -$1,978,030 | -42.45% | |
| Ubs Group Ag | 0.00% | 276,309 | $4,647,517 | $2,674,671 | -$1,972,846 | -42.45% | |
| Jpmorgan Chase & Co | 0.00% | 253,534 | $4,345,572 | $2,454,209 | -$1,891,363 | -43.52% | |
| Goldman Sachs Group Inc | 0.00% | 250,069 | $4,206,161 | $2,420,668 | -$1,785,493 | -42.45% | |
| Cruiser Capital Advisors, Llc | 2.53% | 244,104 | $4,105,829 | $2,362,927 | -$1,742,902 | -42.45% | |
| Aqr Capital Management Llc | 0.00% | 210,816 | $3,545,926 | $2,040,699 | -$1,505,227 | -42.45% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | 207,396 | $3,488,401 | $2,007,593 | -$1,480,808 | -42.45% | |
| Ardsley Advisory Partners Lp | 0.37% | 200,000 | $3,364,000 | $1,936,000 | -$1,428,000 | -42.45% | |
| Nuveen, Llc | 0.00% | 197,213 | $3,317,124 | $1,909,022 | -$1,408,102 | -42.45% | |
| Formula Growth Ltd | 1.46% | 297,696 | $3,244,886 | $2,881,697 | -$363,189 | -11.19% | |
| Invesco Ltd. | 0.00% | 182,299 | $3,066,270 | $1,764,654 | -$1,301,616 | -42.45% | |
| Sei Investments Co | 0.00% | 178,789 | $3,007,239 | $1,730,678 | -$1,276,561 | -42.45% | |
| Qube Research & Technologies Ltd | 0.00% | 172,769 | $2,905,975 | $1,672,404 | -$1,233,571 | -42.45% | |
| Bank Of America Corp | 0.00% | 170,245 | $2,863,521 | $1,647,972 | -$1,215,549 | -42.45% | |
| Seros Financial, Llc | 1.48% | 168,704 | $2,837,601 | $1,633,055 | -$1,204,546 | -42.45% | |
| Centerbook Partners Lp | 0.14% | 165,298 | $2,780,312 | $1,600,085 | -$1,180,227 | -42.45% | |
| Walleye Capital Llc | 0.01% | 160,269 | $2,695,725 | $1,551,404 | -$1,144,321 | -42.45% | |
| Bank Of New York Mellon Corp | 0.00% | 153,549 | $2,582,693 | $1,486,354 | -$1,096,339 | -42.45% | |
| Tudor Investment Corp Et Al | 0.01% | 149,220 | $2,509,880 | $1,444,450 | -$1,065,430 | -42.45% | |
| Russell Investments Group, Ltd. | 0.00% | 139,326 | $2,343,475 | $1,348,676 | -$994,799 | -42.45% | |
| Panagora Asset Management Inc | 0.01% | 138,495 | $2,329,486 | $1,340,632 | -$988,854 | -42.45% | |
| Us Bancorp \De\ | 0.00% | 135,865 | $2,285,249 | $1,315,173 | -$970,076 | -42.45% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 133,480 | $2,245,134 | $1,292,086 | -$953,048 | -42.45% |
| Jb Capital Partners Lp | 0.34% | 130,000 | $2,186,600 | $1,258,400 | -$928,200 | -42.45% |
Frequently asked questions about ORN
Who owns the most ORN stock?
The largest holders of ORN are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ORION GROUP HOLDINGS INC (ORN).
Is ORN widely held by superinvestors?
Many widely followed stocks like ORN appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly ORN is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.