REX Advisers, LLC — 13F Holdings & Portfolio
CIK 2016827 · latest 13F-HR filed 2026-10-08
REX Advisers, LLC manages $21.1M in 13F-reported U.S. long-equity assets across 66 reported positions as of its 2026-09-30 13F-HR filing. Its largest disclosed positions are SNDK (4.92%), BE (4.69%), MRVL (4.62%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 14 new positions and exited 14; 0 existing positions rose in reported value and 5 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.
Long-equity book
Distinct positions
Filed 2026-10-08
vs 2026-06-30
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q3 26Box 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 valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q2 26 → Q3 26Estimated 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 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 56.3%Cumulative share of the portfolio held in the largest N positions.
SECOND FLOOR
FAIRFIELD, CT 06824
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| ACHEYCHEK, SCOTT, EDWARD Control | PRESIDENT | Less than 5% | Individual |
| COLLETT, GREGORY, S Control | CHIEF LEGAL OFFICER/GENERAL COUNSEL | Less than 5% | Individual |
| Harding, Seamus Control | ASSISTANT SECRETARY | Less than 5% | Individual |
| ROKOSE, ROBERT, JOSEPH Control | CHIEF FINANCIAL OFFICER | Less than 5% | Individual |
| Deangelis, Mark, Joseph | CHIEF COMPLIANCE OFFICER | Less than 5% | Individual |
| G. KING CAPITAL, LLC | MEMBER | 75% or more | Domestic Entity |
| KING, GREGORY, DANIEL | MEMBER | 75% or more | Individual |
| REX FINANCIAL, INC. | MEMBER | 75% or more | Domestic Entity |
| REX FINANCIAL, LLC | SHAREHOLDER | 75% or more | Domestic Entity |
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 Trims
- NEBIUS GROUP N.V.-$1.1M -53.6%
- SANDISK CORP-$1.0M -49.3%
- TEMPUS AI INC-$915.7K -49.1%
- CLEANSPARK INC-$691.2K -42.8%
- DELL TECHNOLOGIES INC-$182.6K -9.2%
New Positions
- BLOOM ENERGY CORP$990.2K
- MARVELL TECHNOLOGY INC$974.1K
- STRIVE INC$958.4K
- COINBASE GLOBAL INC$950.1K
- STRATEGY INC$943.5K
Exited Positions
- FUELCELL ENERGY INC$2.7M
- CORNING INC$2.1M
- LAM RESEARCH CORP$2.0M
- APPLIED MATLS INC$2.0M
- SPACE EXPLORATION TECHN CORP$2.0M
REX Advisers, LLC Holdings (2026-09-30)
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 | SANDISK CORP | SNDK | 80004C200 | $1.0M | 4.92% | 600 | SH |
| 2 | BLOOM ENERGY CORP | BE | 093712107 | $990.2K | 4.69% | 3,400 | SH |
| 3 | MARVELL TECHNOLOGY INC | MRVL | 573874104 | $974.1K | 4.62% | 3,700 | SH |
| 4 | NEBIUS GROUP N.V. | NBIS | N97284108 | $973.2K | 4.61% | 4,100 | SH |
| 5 | STRIVE INC | ASST | 862945300 | $958.4K | 4.54% | 32,700 | SH |
| 6 | COINBASE GLOBAL INC | COIN | 19260Q107 | $950.1K | 4.50% | 5,000 | SH |
| 7 | TEMPUS AI INC | TEM | 88023B103 | $949.7K | 4.50% | 11,500 | SH |
| 8 | STRATEGY INC | MSTR | 594972408 | $943.5K | 4.47% | 6,100 | SH |
| 9 | HEWLETT PACKARD ENTERPRISE C | HPE | 42824C109 | $934.6K | 4.43% | 15,200 | SH |
| 10 | AST SPACEMOBILE INC | ASTS | 00217D100 | $932.6K | 4.42% | 15,700 | SH |
| 11 | BITMINE IMMERSION TECHS INC | BMNR | 09175A206 | $930.2K | 4.41% | 34,800 | SH |
| 12 | UNITY SOFTWARE INC | U | 91332U101 | $929.4K | 4.41% | 23,400 | SH |
| 13 | CLEANSPARK INC | CLSK | 18452B209 | $922.4K | 4.37% | 69,300 | SH |
| 14 | DELL TECHNOLOGIES INC | DELL | 24703L202 | $917.3K | 4.35% | 1,700 | SH |
| 15 | SUPER MICRO COMPUTER INC | SMCI | 86800U302 | $914.7K | 4.34% | 22,300 | SH |
| 16 | CEREBRAS SYSTEMS INC | CBRS | 15675D103 | $896.8K | 4.25% | 4,600 | SH |
| 17 | RIOT PLATFORMS INC | RIOT | 767292105 | $894.1K | 4.24% | 41,800 | SH |
| 18 | HYPERLIQUID STRATEGIES INC | PURR | 44916Y106 | $891.6K | 4.23% | 74,800 | SH |
| 19 | DELL TECHNOLOGIES INC | DELL | 24703L202 | $884.8K | 4.19% | 4,600 | SH |
| 20 | WALMART INC Put | WMT | 931142103 | $865.6K | 4.10% | 146,000 | SH |
| 21 | CLEVELAND-CLIFFS INC NEW | CLF | 185899101 | $861.0K | 4.08% | 78,200 | SH |
| 22 | WALMART INC Call | WMT | 931142103 | $512.5K | 2.43% | 146,000 | SH |
| 23 | CLEVELAND-CLIFFS INC NEW Put | CLF | 185899101 | $125.1K | 0.59% | 78,200 | SH |
| 24 | HYPERLIQUID STRATEGIES INC Put | PURR | 44916Y106 | $92.0K | 0.44% | 74,800 | SH |
| 25 | RIOT PLATFORMS INC Put | RIOT | 767292105 | $72.3K | 0.34% | 41,800 | SH |
| 26 | CLEANSPARK INC Put | CLSK | 18452B209 | $59.6K | 0.28% | 69,300 | SH |
| 27 | SUPER MICRO COMPUTER INC Put | SMCI | 86800U302 | $55.8K | 0.26% | 22,300 | SH |
| 28 | STRIVE INC Put | ASST | 862945300 | $45.4K | 0.22% | 15,700 | SH |
| 29 | BITMINE IMMERSION TECHS INC Put | BMNR | 09175A206 | $43.5K | 0.21% | 34,800 | SH |
| 30 | HEWLETT PACKARD ENTERPRISE C Put | HPE | 42824C109 | $41.8K | 0.20% | 15,200 | SH |
| 31 | TEMPUS AI INC Put | TEM | 88023B103 | $41.6K | 0.20% | 11,500 | SH |
| 32 | UNITY SOFTWARE INC Put | U | 91332U101 | $39.5K | 0.19% | 23,400 | SH |
| 33 | CLEVELAND-CLIFFS INC NEW Put | CLF | 185899101 | $39.1K | 0.19% | 156,400 | SH |
| 34 | STRIVE INC Put | ASST | 862945300 | $27.1K | 0.13% | 32,700 | SH |
| 35 | STRIVE INC Call | ASST | 862945300 | $25.5K | 0.12% | 32,700 | SH |
| 36 | UNITY SOFTWARE INC Put | U | 91332U101 | $24.8K | 0.12% | 46,800 | SH |
| 37 | TEMPUS AI INC Call | TEM | 88023B103 | $22.8K | 0.11% | 11,500 | SH |
| 38 | RIOT PLATFORMS INC Put | RIOT | 767292105 | $19.6K | 0.09% | 41,800 | SH |
| 39 | HYPERLIQUID STRATEGIES INC Put | PURR | 44916Y106 | $19.4K | 0.09% | 74,800 | SH |
| 40 | CLEANSPARK INC Put | CLSK | 18452B209 | $19.4K | 0.09% | 69,300 | SH |
| 41 | BITMINE IMMERSION TECHS INC Call | BMNR | 09175A206 | $18.8K | 0.09% | 34,800 | SH |
| 42 | STRIVE INC Call | ASST | 862945300 | $17.3K | 0.08% | 15,700 | SH |
| 43 | HEWLETT PACKARD ENTERPRISE C Call | HPE | 42824C109 | $16.6K | 0.08% | 15,200 | SH |
| 44 | CLEANSPARK INC Call | CLSK | 18452B209 | $13.2K | 0.06% | 69,300 | SH |
| 45 | HYPERLIQUID STRATEGIES INC Call | PURR | 44916Y106 | $12.7K | 0.06% | 74,800 | SH |
| 46 | SUPER MICRO COMPUTER INC Put | SMCI | 86800U302 | $12.3K | 0.06% | 22,300 | SH |
| 47 | BITMINE IMMERSION TECHS INC Put | BMNR | 09175A206 | $12.2K | 0.06% | 34,800 | SH |
| 48 | HEWLETT PACKARD ENTERPRISE C Put | HPE | 42824C109 | $12.0K | 0.06% | 15,200 | SH |
| 49 | SUPER MICRO COMPUTER INC Call | SMCI | 86800U302 | $10.9K | 0.05% | 22,300 | SH |
| 50 | UNITY SOFTWARE INC Call | U | 91332U101 | $10.5K | 0.05% | 23,400 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-09-30 | 2026-10-08 | $21.1M | 66 | 0001420506-26-002306 |
| 2026-06-30 | 2026-07-13 | $44.3M | 59 | 0002016827-26-000011 |
| 2026-03-31 | 2026-04-16 | $33.1M | 74 | 0002016827-26-000009 |
| 2025-12-31 | 2026-02-20 | $23.7M | 78 | 0002016827-26-000005 |
FAIRFIELD, CT 06824