Nuburu, Inc.: which funds bought and sold

Institutions that bought and sold Nuburu shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.

Between March 31, 2026 and June 30, 2026, 20 institutions that filed 13F reports for both quarters added to or opened positions in Nuburu, and 6 cut or closed them. Together they sold a net 283K shares, −2.4% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 2.4M shares (−99.0%); index fund managers were net buyers of 1.9M shares (+22.9%). 10 opened a new position and 5 sold out entirely.

Bought, Q2 2026 20 institutions, 10 of them new holders Sold, Q2 2026 6 institutions, 5 of them sold out

Net change, all compared −283K shares (−2.4%)

Net change, active managers −2.4M shares (−99.0%), 0 bought, 2 sold

Buyers versus sellers

institutions compared, 36

20 bought 10 6 sold

Active managers and hedge funds 0 bought · 2 sold · −2.4M

Index fund managers 5 bought · 0 sold · +1.9M

Other institutions 15 bought · 4 sold · +273K

Biggest buyers

by change in shares held

Biggest buyers
Institution	Change in shares	Shares June 30, 2026	Value
Vanguard Capital Management LLC Index funds	+621K +10.2%	6.7M	$860,792
State Street Corp Index funds	+476K +789.4%	537K	$68,744
Northern Trust Corp Index funds	+346K +745.5%	392K	$50,261
Geode Capital Management, LLC Index funds	+345K +33.3%	1.4M	$177,017
Ruggiero Investments, Inc.	+80K +396.9%	100K	$12,830
Vanguard Personalized Indexing Management, LLC Index funds	+65K New position	65K	$8,275
UBS Group AG	+61K +7.5%	873K	$111,733
Mai Capital Management	+42K New position	42K	$5,334
Northcrest Asset Manangement, LLC	+35K New position	35K	$4,978
Raymond James Financial Inc	+30K New position	30K	$3,860
Tower Research Capital LLC (TRC)	+18K +1105.3%	19K	$2,455
Stonex Group Inc.	+14K New position	14K	$4,623
Mariner, LLC	+12K New position	12K	$1,579
Xtx Topco Ltd	+12K New position	12K	$1,485
Sbi Securities Co., Ltd.	+8,949 +159.2%	15K	$1,866
Deutsche Bank Ag\	+5,000 New position	5,000	$650
Eversource Wealth Advisors, LLC	+3,444 New position	3,444	$441
Barclays PLC	+1,355 New position	1,355	$174
LPL Financial LLC	+752 +2.8%	28K	$3,573
Leo H. Evart, Inc.	+200 +50.0%	600	$77

Biggest buyers, active managers and hedge funds
Institution	Change in shares	Shares June 30, 2026	Value
None of the active managers on our list.

Biggest sellers

by change in shares held

Biggest sellers
Institution	Change in shares	Shares June 30, 2026	Value
Highbridge Capital Management LLC Hedge fund	−2.4M Sold out	0	—
Qube Research & Technologies Ltd Hedge fund	−39K −62.2%	24K	$3,070
Peak6 LLC	−15K Sold out	0	—
Jump Financial, LLC	−13K Sold out	0	—
Texas Capital Bank Wealth Management Services Inc	−13K Sold out	0	—
Wells Fargo & Company	−9,158 Sold out	0	—

Biggest sellers, active managers and hedge funds
Institution	Change in shares	Shares June 30, 2026	Value
Highbridge Capital Management LLC Hedge fund	−2.4M Sold out	0	—
Qube Research & Technologies Ltd Hedge fund	−39K −62.2%	24K	$3,070

New positions

largest by value

Institution	Shares	Value June 30, 2026
Vanguard Personalized Indexing Management, LLCIndex funds	65K	$8,275
Mai Capital Management	42K	$5,334
Northcrest Asset Manangement, LLC	35K	$4,978
Stonex Group Inc.	14K	$4,623
Raymond James Financial Inc	30K	$3,860
Mariner, LLC	12K	$1,579
Xtx Topco Ltd	12K	$1,485
Deutsche Bank Ag\	5,000	$650
Eversource Wealth Advisors, LLC	3,444	$441
Barclays PLC	1,355	$174

Sold out

largest by value

Institution	Shares	Value March 31, 2026
Highbridge Capital Management LLCHedge fund	2.4M	$420,142
Peak6 LLC	15K	$2,665
Texas Capital Bank Wealth Management Services Inc	13K	$2,310
Jump Financial, LLC	13K	$2,308
Wells Fargo & Company	9,158	$1,624

Who holds the shares

13F holdings at June 30, 2026

Institutions reporting: 31
Ten largest holders: 97.4%
Index fund managers: 87.5%
Active managers and hedge funds: 0.2%

Buying and selling by type of institution, March 31, 2026 to June 30, 2026
Type	Bought	Sold	New	Sold out	Net change in shares	Net %
Active managers and hedge funds	0	2	0	1	−2.4M	−99.0%
Index fund managers	5	0	1	0	+1.9M	+22.9%
Other institutions	15	4	9	4	+273K	+24.1%

Active managers and hedge funds: a list we maintain of about 400 well-known stock-picking firms and hedge funds, matched by SEC registration number (CIK) and checked against the filer names each quarter. Index fund managers: the large index houses, such as BlackRock, Vanguard, State Street, Geode and Northern Trust. Every other filer (banks, brokers, wealth managers, pension funds, insurers and firms not on the list) counts as another institution. A firm that files under several SEC registrations appears once for each.

What these filings can and cannot tell you

Form 13F lists the long positions in US-listed shares held by investment managers with more than $100 million in such holdings. Managers file it up to 45 days after each quarter ends, so this page shows what funds held at the end of each quarter, not what they are doing now: a position may have changed since. Short positions, most derivatives and smaller managers are not included, and a cut can mean a fund lost clients or rebalanced rather than a view on Nuburu.

Only managers that filed a holdings report for both quarters are compared (36 here). 1 other holder is left out: first-time or late filers, firms that changed their SEC registration, and filings that withheld positions under confidential treatment, any of which would otherwise look like a new position or a sale. Figures are as reported by each manager in the SEC's quarterly 13F data sets; option positions are excluded.

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