Vault-13

REX Advisers, LLC

FAIRFIELD, CT · CIK 2016827 · 13F filing filed 2026-07-13

SEC-registered investment adviser since 2023 · limited liability company

$37.3m reported value +117.5% vs Q1 2026
19positions
56.3%in top 10
18 new 1 added 0 reduced 15 sold out vs Q1 2026

Options: 20 call positions ($6.1m notional), 20 put positions ($913.2k notional) – listed below, not included above.

Also in the report of:

Shares in two reports are counted once in each security's totals.

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#SecurityTickerShares Value% of portfolioChangeShares change
1 FUELCELL ENERGY INC COM NEW FCEL FCEL 75,900 $2.7m7.34% 7.34% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 75.9k
2 CORNING INC COM GLW GLW 8,300 $2.1m5.69% 5.69% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 8.3k
3 NEBIUS GROUP N.V. SHS CLASS A NBIS NBIS 7,600 $2.1m5.63% 5.63% AddedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 7.0k, Q2 2026 7.6k +600 +600 8.6%
4 SANDISK CORP COM SNDK SNDK 900 $2.0m5.49% 5.49% NewShares held: Q3 2025 0, Q4 2025 1.7k, Q1 2026 0, Q2 2026 900
5 LAM RESEARCH CORP COM NEW LRCX LRCX 4,700 $2.0m5.47% 5.47% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 4.7k
6 APPLIED MATLS INC COM AMAT AMAT 2,800 $2.0m5.43% 5.43% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 2.8k
7 SPACE EXPLORATION TECHN CORP CLASS A COM STK SPCX SPCX 11,800 $2.0m5.41% 5.41% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 11.8k
8 DELL TECHNOLOGIES INC CL C DELL DELL 4,600 $2.0m5.33% 5.33% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 4.6k
9 VERTIV HOLDINGS CO COM CL A VRT VRT 5,900 $2.0m5.30% 5.30% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 5.9k
10 INTEL CORP COM INTC INTC 14,000 $2.0m5.25% 5.25% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 14.0k
11 INTUITIVE MACHINES INC CLASS A COM LUNR LUNR 91,100 $1.9m5.23% 5.23% NewShares held: Q3 2025 0, Q4 2025 26.8k, Q1 2026 0, Q2 2026 91.1k
12 MODERNA INC COM MRNA MRNA 27,100 $1.9m5.09% 5.09% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 27.1k
13 ENPHASE ENERGY INC COM ENPH ENPH 38,000 $1.9m5.02% 5.02% NewShares held: Q3 2025 0, Q4 2025 12.6k, Q1 2026 0, Q2 2026 38.0k
14 TEMPUS AI INC CL A TEM TEM 32,200 $1.9m5.01% 5.01% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 32.2k
15 HIMS & HERS HEALTH INC COM CL A HIMS HIMS 52,600 $1.8m4.90% 4.90% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 52.6k
16 SUNRUN INC COM RUN RUN 133,400 $1.8m4.79% 4.79% NewShares held: Q3 2025 0, Q4 2025 20.5k, Q1 2026 0, Q2 2026 133.4k
17 HECLA MNG CO COM HL HL 114,300 $1.8m4.73% 4.73% NewShares held: Q3 2025 0, Q4 2025 20.8k, Q1 2026 0, Q2 2026 114.3k
18 CORE SCIENTIFIC INC NEW COM CORZ CORZ 66,200 $1.7m4.55% 4.55% NewShares held: Q3 2025 0, Q4 2025 27.2k, Q1 2026 0, Q2 2026 66.2k
19 CLEANSPARK INC COM NEW CLSK CLSK 110,900 $1.6m4.33% 4.33% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 110.9k

Sold out since Q1 2026

SecurityTickerShares held beforeValue then
RED CAT HLDGS INC RCAT RCAT 496,696 $6.5m496.7k shares
FIREFLY AEROSPACE INC FLY FLY 29,400 $837.0k29.4k shares
LUMENTUM HLDGS INC LITE LITE 1,100 $773.0k1.1k shares
AFFIRM HLDGS INC AFRM AFRM 16,700 $765.2k16.7k shares
FASTLY INC FSLY FSLY 25,800 $749.7k25.8k shares
LEMONADE INC LMND LMND 11,600 $727.1k11.6k shares
UPSTART HLDGS INC UPST UPST 28,300 $725.9k28.3k shares
APPLIED DIGITAL CORP APLD APLD 29,800 $707.5k29.8k shares
SOLAREDGE TECHNOLOGIES INC SEDG SEDG 13,700 $699.4k13.7k shares
COHERENT CORP COHR COHR 2,900 $690.8k2.9k shares
TERAWULF INC WULF WULF 47,800 $689.8k47.8k shares
VENTURE GLOBAL INC VG VG 41,300 $650.9k41.3k shares
SABLE OFFSHORE CORP SOC SOC 38,600 $637.7k38.6k shares
PLANET LABS PBC PL PL 22,600 $631.7k22.6k shares
APPLIED OPTOELECTRONICS INC AAOI AAOI 7,300 $617.5k7.3k shares

Options (notional value)

UnderlyingTickerTypeShares controlled NotionalChange
FUELCELL ENERGY INC FCEL · Call FCELCall 151,800 $1.8m151.8k shares New
WALMART INC WMT · Call WMTCall 181,000 $582.8k181.0k shares Added
CORNING INC GLW · Call GLWCall 16,600 $522.9k16.6k shares New
NEBIUS GROUP N.V. NBIS · Call NBISCall 15,200 $453.8k15.2k shares Added
APPLIED MATLS INC AMAT · Call AMATCall 5,600 $367.8k5.6k shares New
LAM RESEARCH CORP LRCX · Call LRCXCall 9,400 $334.7k9.4k shares New
COLLABORATIVE INVESTMNT SER SPCK · Call SPCKCall 23,600 $310.3k23.6k shares New
VERTIV HOLDINGS CO VRT · Call VRTCall 11,800 $280.2k11.8k shares New
INTUITIVE MACHINES INC LUNR · Call LUNRCall 182,200 $268.7k182.2k shares Added
DELL TECHNOLOGIES INC DELL · Call DELLCall 9,200 $247.2k9.2k shares New
INTEL CORP INTC · Call INTCCall 28,000 $242.2k28.0k shares New
BITDEER TECHNOLOGIES GROUP BTDR · Put BTDRPut 208,400 $226.1k208.4k shares New
CLEANSPARK INC CLSK · Put CLSKPut 221,800 $201.8k221.8k shares New
MODERNA INC MRNA · Call MRNACall 54,200 $164.8k54.2k shares New
ENPHASE ENERGY INC ENPH · Call ENPHCall 76,000 $164.2k76.0k shares New
CORE SCIENTIFIC INC NEW CORZ · Put CORZPut 132,400 $159.5k132.4k shares New
TEMPUS AI INC TEM · Call TEMCall 64,400 $136.5k64.4k shares New
HIMS & HERS HEALTH INC HIMS · Call HIMSCall 105,200 $83.6k105.2k shares New
SUNRUN INC RUN · Put RUNPut 266,800 $78.7k266.8k shares New
SUNRUN INC RUN · Call RUNCall 266,800 $61.4k266.8k shares New
HIMS & HERS HEALTH INC HIMS · Put HIMSPut 105,200 $52.6k105.2k shares New
BITDEER TECHNOLOGIES GROUP BTDR · Call BTDRCall 208,400 $46.9k208.4k shares New
HECLA MNG CO HL · Put HLPut 228,600 $45.7k228.6k shares New
HECLA MNG CO HL · Call HLCall 228,600 $44.6k228.6k shares New
SANDISK CORP SNDK · Put SNDKPut 2,700 $37.7k2.7k shares New