Orion Group Holdings, Inc.
Orion Group Holdings, Inc. (ORN) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ORN · as of Sep 30, 2025
Ownership Breakdown
149
Institutional Holders
▲ 1 vs Q2
$274.77M
Total Inst. Value
▼ $7.97M vs Q2
40.48M
Shares Outstanding
freeFloat 94.29%
33.03M
13F Shares Held
▲ 1.86M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ORN largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BRANDES INVESTMENT PARTNERS, LP heavy construction other than bldg const - contractors | 4.95M | 12.57% | 12.57% | $41.21B | Nov 14, 2025 | ▲ 628.9K |
BLACKROCK, INC. heavy construction other than bldg const - contractors | 2.72M | 6.90% | 6.90% | $22.61B | Nov 12, 2025 | ▲ 12.3K |
WASATCH ADVISORS LP heavy construction other than bldg const - contractors | 2.23M | 5.65% | 5.65% | $18.52B | Nov 14, 2025 | ▲ 806.0K |
VANGUARD GROUP INC heavy construction other than bldg const - contractors | 2.02M | 5.14% | 5.14% | $16.85B | Nov 7, 2025 | ▲ 5.6K |
ROYCE & ASSOCIATES LP heavy construction other than bldg const - contractors | 1.70M | 4.32% | 4.32% | $14.18B | Nov 12, 2025 | ▲ 35.8K |
DIMENSIONAL FUND ADVISORS LP heavy construction other than bldg const - contractors | 1.68M | 4.28% | 4.28% | $14.02B | Nov 12, 2025 | ▲ 17.4K |
INVESCO LTD. heavy construction other than bldg const - contractors | 1.27M | 3.23% | 3.23% | $10.58B | Nov 13, 2025 | ▲ 562.9K |
GENDELL JEFFREY L heavy construction other than bldg const - contractors | 1.04M | 2.63% | 2.63% | $8.63B | Nov 14, 2025 | ▲ 845.4K |
GRACE & WHITE INC /NY heavy construction other than bldg const - contractors | 998.3K | 2.53% | 2.53% | $8.31B | Oct 23, 2025 | ▼ 9.5K |
GEODE CAPITAL MANAGEMENT, LLC heavy construction other than bldg const - contractors | 880.6K | 2.23% | 2.23% | $7.33B | Nov 12, 2025 | ▲ 20.8K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
27
Increased
+3.64M shares3
New Positions
first time holders14
Decreased
−1.87M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.77M
+3.64M / −1.87M
Net new holders
+16
3 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ORN insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
5
Buy transactions
5
Sell transactions
1.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
LEDFORD ROBERT director | May 19, 2026 | Award | 7,236 | — | — | 23.1K | Form 4 ↗ |
Smith Quentin P. Jr. director | May 19, 2026 | Award | 7,236 | — | — | 97.9K | Form 4 ↗ |
Sullivan Mary E director | May 19, 2026 | Award | 7,236 | — | — | 274.9K | Form 4 ↗ |
SHANFELTER AUSTIN J director | May 19, 2026 | Award | 7,236 | — | — | 336.5K | Form 4 ↗ |
Caliel Michael J director | May 19, 2026 | Award | 7,236 | — | — | 214.4K | Form 4 ↗ |
FORAN MARGARET M director | May 5, 2026 | Sale | 10,695 | $15.70 | $167.9K | 116.8K | Form 4 ↗ |
FORAN MARGARET M director | May 1, 2026 | Sale | 20,000 | $14.62 | $292.4K | 137.5K | Form 4 ↗ |
FORAN MARGARET M director | May 4, 2026 | Sale | 10,000 | $14.62 | $146.2K | 127.5K | Form 4 ↗ |
Earle Edward Chipman EVP & GENERAL COUNSEL | Apr 1, 2026 | Tax Withhold | 2,884 | $11.24 | $32.4K | 145.0K | Form 4 ↗ |
Boone Travis J PRESIDENT & CEO | Apr 1, 2026 | Tax Withhold | 15,377 | $11.24 | $172.8K | 708.5K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Orion Group Holdings, Inc. (ORN) is primarily owned by institutional investors, who hold approximately 81.6% of total shares outstanding. Company insiders own approximately 5.71%, while retail and public investors account for the remaining 12.69%.
The largest institutional shareholder of Orion Group Holdings, Inc. is BRANDES INVESTMENT PARTNERS, LP, holding approximately 4.95 million shares — equal to 12.57% of outstanding shares — as of September 30, 2025.
A total of 149 institutional investors currently hold ORN stock, with a combined institutional value of approximately $274,770,740 as of the most recent 13F filing period.
Frequently asked questions
ORN ownershipOrion Group Holdings, Inc. (ORN) is primarily owned by institutional investors, who hold approximately 81.6% of shares. The largest shareholder is BRANDES INVESTMENT PARTNERS, LP with a 12.57% stake. Company insiders hold 5.71%. Data sourced from SEC Form 13F as of September 30, 2025.