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Deuterium Capital Management, LLC — 13F Holdings & Portfolio

CIK 1860487 · latest 13F-HR filed 2026-08-05

Backtest portfolio

Deuterium Capital Management, LLC manages $92.4M in 13F-reported U.S. long-equity assets across 24 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are GOOG (23.90%), AMZN (13.93%), ISRG (11.62%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 2 new positions and exited 4; 9 existing positions rose in reported value and 10 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$92.4M

Long-equity book

Holdings
24

Distinct positions

Period
2026-06-30

Filed 2026-08-05

Q/Q Activity
+2 / −4 / ↑9 / ↓10

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
GOOG23.9% · +14%AMZN13.9% · 0%ISRG11.6% · +75%PLTR7.4% · 0%MP6.1% · 0%ORCL5.7% · 0%NVDA4.1% · 0%COST4.1% · 0%IMPP3.9% · -4%UUUU3.1% · +300%MSFT3.0% · 0%ETHA2.5% · 0%NTLA1.8% · newCRSP1.5% · 0%MTRN1.5% · 0%URA1.3% · 0%ENVX0.9% · 0%URNM0.9% · 0%VAL0.8% · 0%FLY0.6% · newUEC0.5% · 0%DNN0.4% · 0%RIG0.3% · 0%ETHE0.1% · 0%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 83.9%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

As of the firm’s regulatory filing dated Jul 7, 2026.

Assets Under Management
$603.7M
Discretionary
$284.2M
Employees
8
Accounts
6
Address
1150 CLEVELAND ST, SUITE 420
CLEARWATER, FL 33755-4860
Phone
(727) 204-7570
Website
Name Title / Status Ownership Type
BERMAN, SONDRA ControlCHIEF COMPLIANCE OFFICER
since Nov 2020
Less than 5%Individual
HAYES, PAULA, MARIE ControlCHIEF FINANCIAL OFFICER
since Mar 2021
Less than 5%Individual
OZSAN, OSMAN, ORHUN ControlCHIEF EXECUTIVE OFFICER/CHIEF INVESTMENT OFFICER/MANAGING MEMBER
since Mar 2018
75% or moreIndividual
Ownership & leadership changes · 7 filings with changes since Mar 23, 2018

From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.

Jul 7, 2026 filing
  • No longer listedDEUTERIUM ASSET MANAGEMENT LIMITED · MEMBER · 75% or more · control person · listed since Jan 2025
  • No longer listedDEUTERIUM GLOBAL FINANCIAL LIMITED · MEMBER · 75% or more · indirect via DEUTERIUM ASSET MANAGEMENT LIMITED · control person · listed since Jan 2025
  • No longer listedOZSAN, OSMAN, ORHUN · MANAGING MEMBER · 75% or more · indirect via DEUTERIUM GLOBAL FINANCIAL LIMITED · control person · listed since Nov 2021
  • ChangedOZSAN, OSMAN, ORHUN · ownership Less than 5% → 75% or more
Mar 19, 2026 filing
  • ChangedOZSAN, OSMAN, ORHUN · indirect via DEUTERIUM GLOBAL FINANCIAL LIMITED: ownership General partner, trustee or manager → 75% or more
Mar 25, 2025 filing
  • AddedDEUTERIUM ASSET MANAGEMENT LIMITED · MEMBER · 75% or more · control person
  • AddedDEUTERIUM GLOBAL FINANCIAL LIMITED · MEMBER · 75% or more · indirect via DEUTERIUM ASSET MANAGEMENT LIMITED · control person
  • AddedOZSAN, OSMAN, ORHUN · MANAGING MEMBER · General partner, trustee or manager · indirect via DEUTERIUM GLOBAL FINANCIAL LIMITED · control person
  • ChangedOZSAN, OSMAN, ORHUN · ownership 75% or more → Less than 5%
Mar 11, 2024 filing
  • No longer listedRICCIARDI, JOHN, SCALERA · MANAGER · Less than 5% · control person · listed since Jan 2021
Mar 30, 2023 filing
  • No longer listedParkhurst, Jonathan, Neil · CHIEF OPERATING OFFICER / CHIEF RISK OFFICER · Less than 5% · control person · listed since Jul 2021
Mar 28, 2022 filing
  • AddedParkhurst, Jonathan, Neil · CHIEF OPERATING OFFICER / CHIEF RISK OFFICER · Less than 5% · control person
Mar 30, 2021 filing
  • AddedBERMAN, SONDRA · CHIEF COMPLIANCE OFFICER · Less than 5% · control person
  • AddedHAYES, PAULA, MARIE · CHIEF FINANCIAL OFFICER · Less than 5% · control person
  • AddedRICCIARDI, JOHN, SCALERA · MANAGER · Less than 5% · control person
  • ChangedOZSAN, OSMAN, ORHUN · title CEO, CIO & CCO → CHIEF EXECUTIVE OFFICER/CHIEF INVESTMENT OFFICER/MANAGING MEMBER
Mar 23, 2018 filing (earliest on record)
  • ListedOZSAN, OSMAN, ORHUN · CEO, CIO & CCO · 75% or more · control person

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

Show all 9 →

Top Trims

Show all 10 →

New Positions

Show all 2 →

Exited Positions

Show all 4 →

Deuterium Capital Management, LLC Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 ALPHABET INC GOOG 02079K107 $22.1M 23.90% 61,812 SH
2 AMAZON COM INC AMZN 023135106 $12.9M 13.93% 54,000 SH
3 INTUITIVE SURGICAL INC ISRG 46120E602 $10.7M 11.62% 27,000 SH
4 PALANTIR TECHNOLOGIES INC PLTR 69608A108 $6.8M 7.40% 58,630 SH
5 MP MATERIALS CORP MP 553368101 $5.6M 6.06% 100,000 SH
6 ORACLE CORP ORCL 68389X105 $5.3M 5.71% 36,000 SH
7 NVIDIA CORPORATION NVDA 67066G104 $3.8M 4.11% 18,990 SH
8 COSTCO WHOLESALE CORPORATION COST 22160K105 $3.8M 4.10% 4,050 SH
9 IMPERIAL PETE INC IMPP Y3894J187 $3.6M 3.94% 790,000 SH
10 ENERGY FUELS INC UUUU 292671708 $2.9M 3.14% 200,000 SH
11 MICROSOFT CORP MSFT 594918104 $2.8M 3.03% 7,500 SH
12 ISHARES ETHEREUM TR ETHA 46438R105 $2.3M 2.48% 192,708 SH
13 INTELLIA THERAPEUTICS INC NTLA 45826J105 $1.7M 1.83% 100,000 SH
14 CRISPR THERAPEUTICS AG CRSP H17182108 $1.4M 1.48% 25,000 SH
15 MATERION CORP MTRN 576690101 $1.4M 1.46% 4,540 SH
16 GLOBAL X FDS URA 37954Y871 $1.2M 1.29% 27,169 SH
17 ENOVIX CORPORATION ENVX 293594107 $839.9K 0.91% 138,375 SH
18 SPROTT FDS TR URNM 85208P303 $788.9K 0.85% 15,000 SH
19 VALARIS LTD VAL G9460G101 $726.0K 0.79% 10,000 SH
20 FIREFLY AEROSPACE INC FLY 31816X106 $588.0K 0.64% 20,000 SH
21 URANIUM ENERGY CORP UEC 916896103 $446.0K 0.48% 41,835 SH
22 DENISON MINES CORP DNN 248356107 $367.9K 0.40% 120,243 SH
23 TRANSOCEAN LTD RIG H8817H100 $293.4K 0.32% 60,000 SH
24 GRAYSCALE ETHEREUM STAKING E ETHE 389638107 $127.6K 0.14% 10,000 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-05 $92.4M 24 0001214659-26-009606
2026-03-31 2026-05-14 $86.0M 26 0001214659-26-006113
2025-12-31 2026-02-10 $68.9M 20 0001214659-26-001404
2025-09-30 2025-11-07 $69.1M 18 0001214659-25-016081
Filer Information
Address
1150 CLEVELAND ST, SUITE 420
CLEARWATER, FL 33755-4860
Phone
(727) 204-7570
Filing Manager
Deuterium Capital Management, LLC
Clearwater, FL
Signatory
Sondra Berman
Chief Compliance Officer