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REX Advisers, LLC

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13F filer, CIK 2016827, FAIRFIELD, CT

REX Advisers, LLC reported $21,095,047 across 41 holdings for the quarter ended 2026-09-30, in a 13F-HR filed 2026-10-08. Its ten largest share positions make up 56.26% of the portfolio.

Accepted , ingested 13F-HR 0001420506-26-002306

Period
2026-09-30
Reported value
$21.1M
Holdings
41
Top 10 weight
56.26%
New
31
Sold out
49

Largest buys vs the previous quarter

SecurityShares changeApprox. value
BEnew+3,400$990K
MRVLnew+3,700$974K
ASSTnew+32,700$958K
COINnew+5,000$950K
MSTRnew+6,100$943K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
FCELexited-75,900-$2.73M
GLWexited-8,300-$2.12M
LRCXexited-4,700-$2.04M
AMATexited-2,800-$2.02M
SPCXexited-11,800-$2.02M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q3 2026

Share positions as resolved from 13F-HR 0001420506-26-002306, largest first. % of portfolio is the value over $18,686,647, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
DELLDELL TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 4,600 shares; 2026Q3: 6,300 shares 6,300$1.8M9.64%+1,700Timeline
SNDKSANDISK CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 1,700 shares; 2026Q1: not reported; 2026Q2: 900 shares; 2026Q3: 600 shares 600$1.04M5.55%-300Timeline
BEBLOOM ENERGY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 4,600 shares; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 3,400 shares 3,400$990K5.3%newTimeline
MRVLMARVELL TECHNOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 3,700 shares 3,700$974K5.21%newTimeline
NBISNEBIUS GROUP N.V.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 7,000 shares; 2026Q2: 7,600 shares; 2026Q3: 4,100 shares 4,100$973K5.21%-3,500Timeline
ASSTSTRIVE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 32,700 shares 32,700$958K5.13%newTimeline
COINCOINBASE GLOBAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 5,000 shares 5,000$950K5.08%newTimeline
TEMTEMPUS AI INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 32,200 shares; 2026Q3: 11,500 shares 11,500$950K5.08%-20,700Timeline
MSTRSTRATEGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 6,100 shares 6,100$943K5.05%newTimeline
HPEHEWLETT PACKARD ENTERPRISE CQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 15,200 shares 15,200$935K5%newTimeline
ASTSAST SPACEMOBILE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 5,800 shares; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 15,700 shares 15,700$933K4.99%newTimeline
BMNRBITMINE IMMERSION TECHS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 34,800 shares 34,800$930K4.98%newTimeline
UUNITY SOFTWARE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 9,200 shares; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 23,400 shares 23,400$929K4.97%newTimeline
CLSKCLEANSPARK INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 110,900 shares; 2026Q3: 69,300 shares 69,300$922K4.94%-41,600Timeline
SMCISUPER MICRO COMPUTER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 22,300 shares 22,300$915K4.9%newTimeline
CBRSCEREBRAS SYSTEMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 4,600 shares 4,600$897K4.8%newTimeline
RIOTRIOT PLATFORMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 30,400 shares; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 41,800 shares 41,800$894K4.78%newTimeline
PURRHYPERLIQUID STRATEGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 74,800 shares 74,800$892K4.77%newTimeline
CLFCLEVELAND-CLIFFS INC NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 78,200 shares 78,200$861K4.61%newTimeline

Options

Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).

SecurityTypeAmountValueChange
WMTWALMART INC COMput146,000$866Knew
WMTWALMART INC COMcall219,000$522K+38,000
CLFCLEVELAND-CLIFFS INC NEW Stockput234,600$164Knew
PURRHYPERLIQUID STRATEGIES INC COMMON STOCKput149,600$111Knew
RIOTRIOT PLATFORMS INC COMput83,600$92Knew
ASSTSTRIVE INC CL A COMput96,800$86.8Knew
CLSKCLEANSPARK INC COM NEWput138,600$79K-83,200
SMCISUPER MICRO COMPUTER INC COM NEWput44,600$68Knew
UUNITY SOFTWARE INC Stockput70,200$64.4Knew
BMNRBITMINE IMMERSION TECHS INC COM NEWput69,600$55.7Knew
HPEHEWLETT PACKARD ENTERPRISE C Stockput30,400$53.8Knew
ASSTSTRIVE INC CL A COMcall96,800$53.2Knew
TEMTEMPUS AI INC Stockput23,000$50.3K-9,200
TEMTEMPUS AI INC Stockcall23,000$27.4K-41,400
BMNRBITMINE IMMERSION TECHS INC COM NEWcall69,600$24Knew
HPEHEWLETT PACKARD ENTERPRISE C Stockcall30,400$21Knew
CLSKCLEANSPARK INC COM NEWcall138,600$16.6K-83,200
PURRHYPERLIQUID STRATEGIES INC COMMON STOCKcall149,600$16.5Knew
UUNITY SOFTWARE INC Stockcall46,800$13.1Knew
SMCISUPER MICRO COMPUTER INC COM NEWcall44,600$12.7Knew
RIOTRIOT PLATFORMS INC COMcall83,600$9.61Knew
CLFCLEVELAND-CLIFFS INC NEW Stockcall78,200$782new

Sold out in Q3 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
FCELFUELCELL ENERGY INC75,900$2.73Mshares
GLWCORNING INC8,300$2.12Mshares
LRCXLAM RESEARCH CORP4,700$2.04Mshares
AMATAPPLIED MATLS INC2,800$2.02Mshares
SPCXSPACE EXPLORATION TECHN CORP11,800$2.02Mshares
VRTVERTIV HOLDINGS CO5,900$1.98Mshares
INTCINTEL CORP14,000$1.95Mshares
LUNRINTUITIVE MACHINES INC91,100$1.95Mshares
MRNAMODERNA INC27,100$1.9Mshares
ENPHENPHASE ENERGY INC38,000$1.87Mshares
HIMSHIMS & HERS HEALTH INC52,600$1.82Mshares
FCELFUELCELL ENERGY INC151,800$1.79Mcall
RUNSUNRUN INC133,400$1.78Mshares
HLHECLA MINING COMPANY114,300$1.76Mshares
CORZCORE SCIENTIFIC INC NEW66,200$1.69Mshares
GLWCORNING INC16,600$523Kcall
NBISNEBIUS GROUP N.V.15,200$454Kcall
AMATAPPLIED MATLS INC5,600$368Kcall
LRCXLAM RESEARCH CORP9,400$335Kcall
SPCKCOLLABORATIVE INVESTMNT SER23,600$310Kcall
VRTVERTIV HOLDINGS CO11,800$280Kcall
LUNRINTUITIVE MACHINES INC182,200$269Kcall
DELLDELL TECHNOLOGIES INC9,200$247Kcall
INTCINTEL CORP28,000$242Kcall
BTDRBITDEER TECHNOLOGIES GROUP208,400$226Kput
MRNAMODERNA INC54,200$165Kcall
ENPHENPHASE ENERGY INC76,000$164Kcall
CORZCORE SCIENTIFIC INC NEW132,400$160Kput
HIMSHIMS & HERS HEALTH INC105,200$83.6Kcall
RUNSUNRUN INC266,800$78.7Kput
RUNSUNRUN INC266,800$61.4Kcall
HIMSHIMS & HERS HEALTH INC105,200$52.6Kput
BTDRBITDEER TECHNOLOGIES GROUP208,400$46.9Kcall
HLHECLA MINING COMPANY228,600$45.7Kput
HLHECLA MINING COMPANY228,600$44.6Kcall
SNDKSANDISK CORP2,700$37.7Kput
ENPHENPHASE ENERGY INC76,000$33.1Kput
LUNRINTUITIVE MACHINES INC182,200$22.8Kput
MRNAMODERNA INC54,200$19Kput
NBISNEBIUS GROUP N.V.15,200$12.2Kput
INTCINTEL CORP28,000$10.1Kput
CORZCORE SCIENTIFIC INC NEW132,400$8.61Kcall
FCELFUELCELL ENERGY INC75,900$3.79Kput
VRTVERTIV HOLDINGS CO11,800$3.25Kput
DELLDELL TECHNOLOGIES INC4,600$1.15Kput
AMATAPPLIED MATLS INC2,800$1.12Kput
SPCKCOLLABORATIVE INVESTMNT SER11,800$826put
LRCXLAM RESEARCH CORP4,700$752put
GLWCORNING INC8,300$664put

How Q3 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001420506-26-002306 base2026-10-08

Filings

Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.

FilingSubjectFiledAcceptedIngested
13F-HR 0001420506-26-002306 Quarter ended 2026-09-302026-10-08
13F-HR 0002016827-26-000011 Quarter ended 2026-06-302026-07-13acceptance time not in the bulk data set
13F-HR 0002016827-26-000009 Quarter ended 2026-03-312026-04-16acceptance time not in the bulk data set
13F-HR 0002016827-26-000005 Quarter ended 2025-12-312026-02-20acceptance time not in the bulk data set
13F-NT 0002016827-26-000001 Quarter ended 2025-12-312026-01-02acceptance time not in the bulk data set
13F-NT 0002016827-25-000007 Quarter ended 2025-09-302025-10-02acceptance time not in the bulk data set
13F-NT 0002016827-25-000005 Quarter ended 2025-06-302025-07-01acceptance time not in the bulk data set
13F-NT 0002016827-25-000002 Quarter ended 2025-03-312025-04-01acceptance time not in the bulk data set
13F-NT 0002016827-25-000001 Quarter ended 2024-12-312025-01-03acceptance time not in the bulk data set