DMC Global Inc.
DMC Global Inc. (BOOM) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · BOOM · as of Sep 30, 2025
Ownership Breakdown
118
Institutional Holders
▲ 6 vs Q2
$119.07M
Total Inst. Value
▲ $7.57M vs Q2
20.47M
Shares Outstanding
freeFloat 87.21%
14.09M
13F Shares Held
▲ 256,802 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
BOOM largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
COOKE & BIELER LP miscellaneous primary metal products | 1.97M | 9.80% | 9.80% | $16.67B | Oct 31, 2025 | ▼ 4.7K |
BLACKROCK, INC. miscellaneous primary metal products | 1.43M | 7.12% | 7.12% | $12.11B | Nov 12, 2025 | ▼ 78.2K |
VANGUARD GROUP INC miscellaneous primary metal products | 1.42M | 7.05% | 7.05% | $12.00B | Nov 7, 2025 | ▼ 150.1K |
DIMENSIONAL FUND ADVISORS LP miscellaneous primary metal products | 764.5K | 3.80% | 3.80% | $6.46B | Nov 12, 2025 | ▼ 75.5K |
AMERIPRISE FINANCIAL INC miscellaneous primary metal products | 741.5K | 3.68% | 3.68% | $6.27B | Nov 14, 2025 | ▼ 182.0K |
PACIFIC RIDGE CAPITAL PARTNERS, LLC miscellaneous primary metal products | 670.4K | 3.33% | 3.33% | $5.66B | Nov 12, 2025 | ▲ 75.4K |
FEDERATED HERMES, INC. miscellaneous primary metal products | 591.8K | 2.94% | 2.94% | $5.00B | Nov 3, 2025 | ▼ 11.8K |
CERITY PARTNERS LLC miscellaneous primary metal products | 556.2K | 2.76% | 2.76% | $4.70B | Oct 22, 2025 | ▲ 1.9K |
GEODE CAPITAL MANAGEMENT, LLC miscellaneous primary metal products | 470.4K | 2.34% | 2.34% | $3.98B | Nov 12, 2025 | ▲ 14.6K |
STATE STREET CORP miscellaneous primary metal products | 416.5K | 2.07% | 2.07% | $3.52B | Nov 14, 2025 | ▲ 1.8K |
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
+996.9K shares2
New Positions
first time holders19
Decreased
−703.0K shares0
Sold Out
fully exitedNet shares change (top 50)
+293.9K
+996.9K / −703.0K
Net new holders
+10
2 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
BOOM insider trading · insider activity
Source: SEC Form 4
5
Buy transactions
2
Sell transactions
2.50
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 |
|---|---|---|---|---|---|---|---|
Seger Brett A. Chief Accounting Officer | May 28, 2026 | Tax Withhold | 230 | $7.16 | $1.6K | 21.4K | Form 4 ↗ |
Kelly Michael Aaron director | May 13, 2026 | Award | 16,937 | — | — | 65.6K | Form 4 ↗ |
Dreessen Ruth director | May 13, 2026 | Award | 16,937 | — | — | 65.3K | Form 4 ↗ |
Doubman John R director | May 13, 2026 | Award | 16,937 | — | — | 31.4K | Form 4 ↗ |
SANANIKONE OUMA director | May 13, 2026 | Award | 16,937 | — | — | 52.8K | Form 4 ↗ |
Spurlin Sharon director | May 13, 2026 | Award | 16,937 | — | — | 26.6K | Form 4 ↗ |
Walter Eric V. Chief Financial Officer | May 13, 2026 | Tax Withhold | 11,427 | $7.51 | $85.8K | 88.6K | Form 4 ↗ |
Seger Brett A. Chief Accounting Officer | Mar 14, 2026 | Tax Withhold | 1,595 | $4.73 | $7.5K | 21.6K | Form 4 ↗ |
Walter Eric V. Chief Financial Officer | Mar 14, 2026 | Tax Withhold | 2,272 | $4.73 | $10.7K | 100.0K | Form 4 ↗ |
Grieves Ian Pres & Mng Dir, DynaEnergetics | Mar 14, 2026 | Tax Withhold | 1,569 | $4.73 | $7.4K | 81.7K | 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
DMC Global Inc. (BOOM) is primarily owned by institutional investors, who hold approximately 68.8% of total shares outstanding. Company insiders own approximately 12.79%, while retail and public investors account for the remaining 18.36%.
The largest institutional shareholder of DMC Global Inc. is COOKE & BIELER LP, holding approximately 1.97 million shares — equal to 9.80% of outstanding shares — as of September 30, 2025.
A total of 118 institutional investors currently hold BOOM stock, with a combined institutional value of approximately $119,074,014 as of the most recent 13F filing period.
Frequently asked questions
BOOM ownershipDMC Global Inc. (BOOM) is primarily owned by institutional investors, who hold approximately 68.8% of shares. The largest shareholder is COOKE & BIELER LP with a 9.80% stake. Company insiders hold 12.79%. Data sourced from SEC Form 13F as of September 30, 2025.