Holders — by stockHoldings — by fund
October Effect Ltd
Everything this manager disclosed owning in US-listed stocks — its complete Form 13F portfolio · as of 2026-06-30 · filed with the SEC up to 45 days after quarter end · CIK 2078353
$106.3M
disclosed book value
64
positions
7.6%
largest position share
Positions, as of 2026-06-30
top 64 of 64 · 13F covers long US-listed positions only — cash, bonds, private and foreign stakes are not disclosed · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | WDCWESTERN DIGITAL CORP | 12,581 | $8.0M | 7.6% |
| 2 | NVDANVIDIA CORPORATION | 36,761 | $7.4M | 6.9% |
| 3 | INTCINTEL CORP | 36,941 | $5.2M | 4.9% |
| 4 | RDDTREDDIT INC | 28,039 | $4.9M | 4.6% |
| 5 | AMDADVANCED MICRO DEVICES INC | 7,222 | $4.2M | 3.9% |
| 6 | GEGE AEROSPACE | 11,064 | $4.1M | 3.9% |
| 7 | BILSPDR SERIES TRUST | 43,083 | $3.9M | 3.7% |
| 8 | METAMETA PLATFORMS INC | 6,916 | $3.9M | 3.7% |
| 9 | AAOIAPPLIED OPTOELECTRONICS INC | 25,191 | $3.7M | 3.5% |
| 10 | AMATAPPLIED MATLS INC | 4,770 | $3.4M | 3.2% |
| 11 | ORCLORACLE CORP | 21,691 | $3.2M | 3% |
| 12 | SOXLDIREXION SHARES ETF TRUST | 11,576 | $3.1M | 2.9% |
| 13 | SPYSTATE STR SPDR S&P 500 ETF T | 4,095 | $3.1M | 2.9% |
| 14 | GOOGLALPHABET INC | 8,084 | $2.9M | 2.7% |
| 15 | SPYMSPDR SERIES TRUST | 28,091 | $2.5M | 2.3% |
| 16 | PSLVSPROTT ASSET MANAGEMENT LP | 129,970 | $2.5M | 2.3% |
| 17 | INNOVATOR ETFS TRUST | 66,340 | $2.4M | 2.3% |
| 18 | LUMNLUMEN TECHNOLOGIES INC | 276,259 | $2.1M | 2% |
| 19 | XLSRSSGA ACTIVE TR | 30,976 | $2.0M | 1.9% |
| 20 | SPTISPDR SERIES TRUST | 67,679 | $1.9M | 1.8% |
| 21 | IWFISHARES TR | 15,471 | $1.9M | 1.8% |
| 22 | MUMICRON TECHNOLOGY INC | 1,540 | $1.8M | 1.7% |
| 23 | FBCGFIDELITY COVINGTON TRUST | 28,220 | $1.8M | 1.6% |
| 24 | AGGISHARES TR | 16,244 | $1.6M | 1.5% |
| 25 | SPDWSPDR INDEX SHS FDS | 29,345 | $1.5M | 1.4% |
| 26 | SPEMSPDR INDEX SHS FDS | 28,281 | $1.5M | 1.4% |
| 27 | AMZNAMAZON COM INC | 5,853 | $1.4M | 1.3% |
| 28 | TQQQPROSHARES TR | 15,875 | $1.3M | 1.2% |
| 29 | SPCXSPACE EXPLORATION TECHN CORP | 6,475 | $1.1M | 1% |
| 30 | NEBIUS GROUP N.V. | 3,900 | $1.1M | 1% |
| 31 | VGTVANGUARD WORLD FD | 7,954 | $950,662 | 0.9% |
| 32 | TSLATESLA INC | 2,248 | $945,509 | 0.9% |
| 33 | QQQINEOS ETF TRUST | 15,507 | $880,643 | 0.8% |
| 34 | GILDGILEAD SCIENCES INC | 6,885 | $869,851 | 0.8% |
| 35 | ACWXISHARES TR | 9,791 | $745,193 | 0.7% |
| 36 | SPSMSPDR SERIES TRUST | 12,350 | $712,224 | 0.7% |
| 37 | IWPISHARES TR | 4,844 | $709,210 | 0.7% |
| 38 | FITBFIFTH THIRD BANCORP | 12,493 | $704,230 | 0.7% |
| 39 | XARSPDR SERIES TRUST | 2,444 | $693,583 | 0.7% |
| 40 | MGYMAGNOLIA OIL & GAS CORP | 25,990 | $664,824 | 0.6% |
| 41 | MOALTRIA GROUP INC | 9,177 | $660,285 | 0.6% |
| 42 | LMTLOCKHEED MARTIN CORP | 1,210 | $616,447 | 0.6% |
| 43 | NFLXNETFLIX INC. | 8,350 | $596,190 | 0.6% |
| 44 | SFMSPROUTS FMRS MKT INC | 6,800 | $575,144 | 0.5% |
| 45 | ZALTINNOVATOR ETFS TRUST | 16,623 | $563,021 | 0.5% |
| 46 | RACKSPACE TECHNOLOGY INC | 80,760 | $527,363 | 0.5% |
| 47 | PEPPEPSICO INC | 3,812 | $516,145 | 0.5% |
| 48 | AAPLAPPLE INC | 1,755 | $507,827 | 0.5% |
| 49 | SPMDSPDR SERIES TRUST | 6,983 | $471,771 | 0.4% |
| 50 | JNKSPDR SERIES TRUST | 4,415 | $425,474 | 0.4% |
| 51 | FPXFIRST TR EXCHANGE-TRADED FD | 1,972 | $406,587 | 0.4% |
| 52 | BARON ETF TR | 16,250 | $396,500 | 0.4% |
| 53 | SSGA ACTIVE TR | 13,165 | $337,682 | 0.3% |
| 54 | GWXSPDR INDEX SHS FDS | 7,680 | $336,077 | 0.3% |
| 55 | GLDSPDR GOLD TR | 864 | $318,280 | 0.3% |
| 56 | SPHSUBURBAN PROPANE PARTNERS L | 16,900 | $288,990 | 0.3% |
| 57 | PMPHILIP MORRIS INTL INC | 1,596 | $288,732 | 0.3% |
| 58 | TRPTC ENERGY CORP | 4,300 | $285,047 | 0.3% |
| 59 | FIRST TR EXCHANGE-TRADED FD | 1,800 | $276,015 | 0.3% |
| 60 | VOTVANGUARD INDEX FDS | 806 | $246,878 | 0.2% |
| 61 | CEREBRAS SYSTEMS INC | 1,100 | $243,100 | 0.2% |
| 62 | SPDR SERIES TRUST | 6,667 | $222,878 | 0.2% |
| 63 | SIGA TECHNOLOGIES INC | 19,000 | $69,160 | 0.1% |
| 64 | MILESTONE PHARMACEUTICALS IN | 40,000 | $53,600 | 0.1% |
Source: SEC Form 13F-HR, reporting period 2026-06-30. Values are the manager's filed June-30-style quarter-end marks, not live prices. Research, not investment advice.