Security key
67021W301
NUBURU, INC. - Common Stock, par value $0.0001 per share (BURU)
CUSIP: 67021W301
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 30,192,099
- Total 13F value
- $4,801,293
- Share change
- +24,202,751
- SEC-reported price per share
- $0.16
- Number of holders
- 31
- Value change
- +$3,849,784
- Number of buys
- 24
- Number of sells
- 7
- Shares outstanding
- 457,976,263
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
31
Top holders
10
BURU full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
Nuburu, Inc. SEC filings
Nuburu, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 67021W301
Recent filing periods:
Ownership snapshot
Top reported holders of BURU - NUBURU, INC. - Common Stock, par value $0.0001 per share (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
Alessandro Zamboni
Disclosed value leader
Alessandro Zamboni
Comparable rows
15/15
Latest evidence
01 Oct 2025
3/4/5
13F
Lead comparable stake: 1%
Showing 1-6 of 15 holder rows.
Quick read
Alessandro Zamboni leads the comparable SEC ownership view at 1%.
15 of 15 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.
Open SEC evidence
Opens Alessandro Zamboni's linked filing trail.
Comparable ownership
Top 5
Alessandro Zamboni
1%
UBS Group AG
0.95%
VANGUARD GROUP INC
0.16%
GEODE CAPITAL MANAGEMENT, LLC
0.11%
NORTHERN TRUST CORP
0.03%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Alessandro Zamboni |
3/4/5
Co-Chief Executive Officer, Director
|
1%
|
$1,531,571
4,688,036 shares
|
+$1,496,021 | 01 Oct 2025 |
| UBS Group AG |
13F
Company
|
0.95%
|
$651,134
4,370,024 shares
|
— | 30 Sep 2025 |
| VANGUARD GROUP INC |
13F
Company
|
0.16%
|
$107,689
722,750 shares
|
— | 30 Sep 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.11%
|
$73,230
492,140 shares
|
— | 30 Sep 2025 |
| NORTHERN TRUST CORP |
13F
Company
|
0.03%
|
$19,566
131,492 shares
|
— | 30 Sep 2025 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
0.01%
|
$5,547
37,277 shares
|
— | 30 Sep 2025 |
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.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
31
Shares
30,192,099
Rows available
31
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
15
Q4 2025 holders
31
Holder diff
16
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend