Comparable stake leader
PRIMECAP MANAGEMENT CO/CA/
SEC ownership of Xometry, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001657573.
Disclosed value leader
PRIMECAP MANAGEMENT CO/CA/
Comparable rows
50/50
Latest evidence
27 May 2026
- Symbol
- XMTR on Nasdaq
- SEC evidence covered
- 13D/G, 13F, and 3/4/5
- Largest SEC-reported holder
- PRIMECAP MANAGEMENT CO/CA/
- Latest 13D/G holder
- PRIMECAP MANAGEMENT CO/CA/
- Latest parsed evidence date
- 27 May 2026
- CIK
- 0001657573
- Location
- North Bethesda, MD
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Issuer
Who this page is about.
2 identity fields
Ownership snapshot
Top shareholders of Xometry, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
PRIMECAP MANAGEMENT CO/CA/
Disclosed value leader
PRIMECAP MANAGEMENT CO/CA/
Comparable rows
50/50
Latest evidence
27 May 2026
13D/G
13F
3/4/5
Lead comparable stake: 13%
13D/G row: PRIMECAP MANAGEMENT CO/CA/
Showing 1-8 of 50 holder rows.
Quick read
PRIMECAP MANAGEMENT CO/CA/ leads the comparable SEC ownership view at 13%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Comparable ownership
Top 5
PRIMECAP MANAGEMENT CO/CA/
13%
EVENTIDE ASSET MANAGEMENT, LLC
6.7%
FMR LLC
5.4%
BROWN CAPITAL MANAGEMENT LLC
3.3%
James Miln
0.37%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| PRIMECAP MANAGEMENT CO/CA/ |
13D/G
13F
Company
|
13%
|
$274,434,748
6,495,497 shares
|
+$34,331,928 | 31 Mar 2026 |
| EVENTIDE ASSET MANAGEMENT, LLC |
13F
13D/G
Company
|
6.7%
from 13D/G
|
$120,783,234
2,960,239 shares
|
— | 31 Mar 2026 |
| FMR LLC |
13D/G
13F
Company
|
5.4%
|
$160,458,494
2,698,142 shares
|
+$18,778,188 | 31 Dec 2025 |
| BROWN CAPITAL MANAGEMENT LLC |
13D/G
13F
Company
|
3.3%
|
$87,788,319
1,611,682 shares
|
-$72,549,192 | 30 Sep 2025 |
| James Miln |
3/4/5
Chief Financial Officer
|
0.37%
|
$14,763,002
184,523 shares
|
-$2,127,266 | 11 May 2026 |
| Peter Goguen |
3/4/5
Chief Operating Officer
|
0.35%
|
$5,426,007
175,457 shares
|
-$422,720 | 17 Jun 2025 |
| Sanjeev Singh Sahni |
3/4/5
President
|
0.28%
|
$6,091,504
143,397 shares
|
-$2,490,429 | 02 Apr 2026 |
| Vaidyanathan Raghavan |
3/4/5
Chief Technology Officer
|
0.28%
|
$6,059,474
142,643 shares
|
-$579,256 | 02 Apr 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$15,524,966.
Buys
$49,997
Insiders: 1
Sells
$15,574,963
Insiders: 7
Net
-$15,524,966
Shares: -258,102
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 1,215
Shares: 259,317
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 80,731 | $0 | $6,399,448 | -$6,399,448 |
| 3-6 | 1,215 | 140,124 | $49,997 | $7,509,407 | -$7,459,409 |
| 6-9 | 0 | 17,046 | $0 | $911,113 | -$911,113 |
| 9-12 | 0 | 21,416 | $0 | $754,995 | -$754,995 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 22 reporting-owner rows connected to Xometry, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
22
Largest Forms 3/4/5 holder
Randolph Altschuler
Net 12M change
-$15,524,965
Latest report
27 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Randolph Altschuler | Chief Executive Officer, Director | $154,113,833 | -$7,776,537 | -4.8% | Mixed | 21 May 2026 |
| Laurence Zuriff | Director | $27,624,620 | Mixed | 15 Mar 2023 | ||
| Foundry Group Next 2018, L.P. | 10%+ Owner | $18,039,394 | Mixed | 02 Jul 2021 | ||
| James Miln | Chief Financial Officer | $14,763,002 | -$2,127,266 | -13% | Filing P/S | 11 May 2026 |
| Subir Dutt | Chief Sales Officer | $9,004,955 | -$2,006,849 | -18% | Filing P/S | 27 May 2026 |
| Fabio Rosati | Director | $7,691,547 | Mixed | 10 Mar 2026 | ||
| Bill Cronin | Chief Revenue Officer | $7,114,865 | Filing P/S | 01 Nov 2022 | ||
| Sanjeev Singh Sahni | President | $6,091,504 | -$2,490,429 | -29% | Filing P/S | 02 Apr 2026 |
| Vaidyanathan Raghavan | Chief Technology Officer | $6,059,474 | -$579,256 | -8.7% | Filing P/S | 02 Apr 2026 |
| Peter Goguen | Chief Operating Officer | $5,426,007 | -$422,720 | -7.2% | Filing P/S | 17 Jun 2025 |
| Matthew Leibel | Chief Technology Officer | $2,044,956 | Mixed | 19 Dec 2024 | ||
| Katharine Weymouth | Director | $1,913,224 | +$49,997 | +2.7% | Mixed | 10 Mar 2026 |
| Ranjana B. Clark | Director | $1,784,070 | Mixed | 10 Mar 2026 | ||
| Roy Azevedo | Director | $1,736,111 | Mixed | 10 Mar 2026 | ||
| James M. Rallo | Chief Financial Officer | $1,369,327 | Filing P/S | 20 Feb 2024 | ||
| George Hornig | Director | $1,262,117 | Mixed | 31 Aug 2023 | ||
| Kathy Mayerhofer | Chief Sales Officer | $1,246,989 | Mixed | 14 Mar 2024 | ||
| Emily Rollins | Director | $635,975 | -$171,905 | -21% | Filing P/S | 01 Apr 2026 |
| Deborah Bial | Director | $536,187 | Mixed | 11 Mar 2025 | ||
| Lukas Alexander Biewald | Director | $329,823 | Median | 20 May 2026 |
Recent insider transactions for Xometry, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Subir Dutt | XMTR | Class A Common Stock | Sale | -2.57% | $237,500 | $95.00 | -2,500 | 94,789 | 27 May 2026 | Direct |
| Randolph Altschuler | XMTR | Class A Common Stock | Sale | -4.21% | $1,756,761 | $87.84 | -20,000 | 455,248 | 21 May 2026 | Held by the Altschuler Family Trust (2020) |
| Randolph Altschuler | XMTR | Class A Common Stock | Sale | -5.07% | $2,635,973 | $87.87 | -30,000 | 561,270 | 21 May 2026 | Held by spouse |
| Lukas Alexander Biewald | XMTR | Class A Common Stock | Award | 8,076 | 8,076 | 20 May 2026 | Direct | |||
| Subir Dutt | XMTR | Class A Common Stock | Sale | -4.84% | $440,896 | $89.20 | -4,943 | 97,289 | 18 May 2026 | Direct |
| Subir Dutt | XMTR | Class A Common Stock | Sale | -2.39% | $212,500 | $85.00 | -2,500 | 102,232 | 13 May 2026 | Direct |
| Subir Dutt | XMTR | Class A Common Stock | Sale | -4.56% | $399,294 | $79.86 | -5,000 | 104,732 | 11 May 2026 | Direct |
| James Miln | XMTR | Class A Common Stock | Sale | -0.81% | $119,530 | $79.69 | -1,500 | 184,523 | 11 May 2026 | Direct |
| Randolph Altschuler | XMTR | Class A Common Stock | Sale | -1.3% | $238,655 | $41.72 | -5,721 | 434,472 | 02 Apr 2026 | Direct |
| Sanjeev Singh Sahni | XMTR | Class A Common Stock | Sale | -0.77% | $46,402 | $41.77 | -1,111 | 143,397 | 02 Apr 2026 | Direct |
| Subir Dutt | XMTR | Class A Common Stock | Sale | -0.63% | $29,188 | $41.76 | -699 | 109,732 | 02 Apr 2026 | Direct |
| Vaidyanathan Raghavan | XMTR | Class A Common Stock | Sale | -1.29% | $77,893 | $41.77 | -1,865 | 142,643 | 02 Apr 2026 | Direct |
| James Miln | XMTR | Class A Common Stock | Sale | -1.27% | $99,790 | $41.72 | -2,392 | 186,023 | 02 Apr 2026 | Direct |
| James Miln | XMTR | Class A Common Stock | Sale | -0.79% | $63,049 | $42.03 | -1,500 | 188,415 | 01 Apr 2026 | Direct |
| Emily Rollins | XMTR | Class A Common Stock | Sale | -6.2% | $42,017 | $42.02 | -1,000 | 15,136 | 01 Apr 2026 | Direct |
| Emily Rollins | XMTR | Class A Common Stock | Options Exercise | 6.61% | 1,000 | 16,136 | 01 Apr 2026 | Direct | ||
| Emily Rollins | XMTR | Stock Option (Right to Buy) | Options Exercise | -2.66% | -1,000 | 36,650 | 01 Apr 2026 | Direct | ||
| Randolph Altschuler | XMTR | Class A Common Stock | Award | 18.2% | 67,816 | 440,193 | 10 Mar 2026 | Direct | ||
| James Miln | XMTR | Class A Common Stock | Award | 18.1% | 29,064 | 189,915 | 10 Mar 2026 | Direct | ||
| Vaidyanathan Raghavan | XMTR | Class A Common Stock | Award | 25% | 16,082 | 80,386 | 10 Mar 2026 | Direct | ||
| Sanjeev Singh Sahni | XMTR | Class A Common Stock | Award | 27.9% | 31,486 | 144,508 | 10 Mar 2026 | Direct | ||
| Subir Dutt | XMTR | Class A Common Stock | Award | 24.6% | 21,798 | 110,431 | 10 Mar 2026 | Direct | ||
| Fabio Rosati | XMTR | Class A Common Stock | Award | 10% | 3,681 | 40,427 | 10 Mar 2026 | Direct | ||
| Roy Azevedo | XMTR | Class A Common Stock | Award | 18.4% | 4,989 | 32,073 | 10 Mar 2026 | Direct | ||
| Ranjana B. Clark | XMTR | Class A Common Stock | Award | 12.6% | 3,681 | 32,959 | 10 Mar 2026 | Direct | ||
| Emily Rollins | XMTR | Class A Common Stock | Award | 32.1% | 3,681 | 15,136 | 10 Mar 2026 | Direct | ||
| Katharine Weymouth | XMTR | Class A Common Stock | Award | 16.6% | 5,037 | 35,345 | 10 Mar 2026 | Direct | ||
| James Miln | XMTR | Class A Common Stock | Sale | -7.09% | $515,432 | $42.00 | -12,272 | 160,851 | 02 Mar 2026 | Direct |
| Katharine Weymouth | XMTR | Class A Common Stock | Purchase | 50.6% | $49,997 | $41.15 | 1,215 | 3,615 | 27 Feb 2026 | by the Katharine Weymouth Revocable Trust |
| Vaidyanathan Raghavan | XMTR | Class A Common Stock | Sale | -6.64% | $198,626 | $43.44 | -4,572 | 64,304 | 26 Feb 2026 | Direct |
| Randolph Altschuler | XMTR | Class A Common Stock | Sale | -7.9% | $1,387,101 | $43.44 | -31,928 | 372,377 | 26 Feb 2026 | Direct |
| James Miln | XMTR | Class A Common Stock | Sale | -8.02% | $656,306 | $43.46 | -15,103 | 173,123 | 26 Feb 2026 | Direct |
| Sanjeev Singh Sahni | XMTR | Class A Common Stock | Sale | -8.11% | $433,495 | $43.45 | -9,978 | 113,022 | 26 Feb 2026 | Direct |
| Subir Dutt | XMTR | Class A Common Stock | Sale | -2.65% | $104,763 | $43.47 | -2,410 | 88,633 | 26 Feb 2026 | Direct |
| Vaidyanathan Raghavan | XMTR | Class A Common Stock | Award | 79.4% | 30,479 | 68,876 | 24 Feb 2026 | Direct | ||
| Randolph Altschuler | XMTR | Class A Common Stock | Award | 36.8% | 108,860 | 404,305 | 24 Feb 2026 | Direct | ||
| James Miln | XMTR | Class A Common Stock | Award | 40.7% | 54,428 | 188,226 | 24 Feb 2026 | Direct | ||
| Sanjeev Singh Sahni | XMTR | Class A Common Stock | Award | 94.8% | 59,870 | 123,000 | 24 Feb 2026 | Direct | ||
| Subir Dutt | XMTR | Class A Common Stock | Award | 40.2% | 26,124 | 91,043 | 24 Feb 2026 | Direct | ||
| Subir Dutt | XMTR | Class A Common Stock | Sale | -3.71% | $175,000 | $70.00 | -2,500 | 64,919 | 09 Feb 2026 | Direct |
| James Miln | XMTR | Class A Common Stock | Sale | -0.45% | $35,328 | $58.98 | -599 | 133,798 | 02 Feb 2026 | Direct |
| Sanjeev Singh Sahni | XMTR | Class A Common Stock | Sale | -29.3% | $1,714,570 | $65.47 | -26,190 | 63,130 | 08 Jan 2026 | Direct |
| Randolph Altschuler | XMTR | Class A Common Stock | Sale | -4.78% | $986,420 | $66.53 | -14,826 | 295,445 | 05 Jan 2026 | Direct |
| Sanjeev Singh Sahni | XMTR | Class A Common Stock | Sale | -4.74% | $295,962 | $66.57 | -4,446 | 89,320 | 05 Jan 2026 | Direct |
| James Miln | XMTR | Class A Common Stock | Sale | -4.41% | $412,567 | $66.51 | -6,203 | 134,397 | 05 Jan 2026 | Direct |
| Vaidyanathan Raghavan | XMTR | Class A Common Stock | Sale | -8.51% | $237,455 | $66.51 | -3,570 | 38,397 | 05 Jan 2026 | Direct |
| Subir Dutt | XMTR | Class A Common Stock | Sale | -5.51% | $257,564 | $65.55 | -3,929 | 67,419 | 05 Jan 2026 | Direct |
| James Miln | XMTR | Class A Common Stock | Sale | -0.42% | $36,955 | $61.80 | -598 | 140,600 | 02 Jan 2026 | Direct |
| Emily Rollins | XMTR | Class A Common Stock | Sale | -8.03% | $61,862 | $61.86 | -1,000 | 11,455 | 02 Jan 2026 | Direct |
| Emily Rollins | XMTR | Class A Common Stock | Options Exercise | 8.73% | 1,000 | 12,455 | 02 Jan 2026 | Direct |
* marks a reported price that did not pass the local price check.