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TANAKA CAPITAL MANAGEMENT INC

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13F filer, CIK 816788, NEW YORK, NY

TANAKA CAPITAL MANAGEMENT INC reported $42,008,000 across 42 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-15. Its ten largest share positions make up 78.77% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000816788-25-000002

Period
2025-03-31
Reported value
$42M
Holdings
42
Top 10 weight
78.77%
New
0
Sold out
2

Largest buys vs the previous quarter

SecurityShares changeApprox. value
PMadded+19$3.02K
AMATadded+17$2.47K
Aura Minerals, Inc.added+83$1.62K
METAadded+2$1.15K
UECadded+211$1.01K

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
CORTreduced-18,367-$2.1M
NICEexited-4,754-$807K
AAPLreduced-2,542-$565K
SYMreduced-19,312-$390K
QCOMreduced-2,407-$370K

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, Q1 2025

Share positions as resolved from 13F-HR 0000816788-25-000002, largest first. % of portfolio is the value over $42,007,000, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
CORTCORCEPT THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 100,276 shares; 2024Q3: 112,136 shares; 2024Q4: 111,551 shares; 2025Q1: 93,184 shares 93,184$10.6M25.34%-18,367Timeline
AAPLAPPLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 25,715 shares; 2024Q3: 25,464 shares; 2024Q4: 24,376 shares; 2025Q1: 21,834 shares 21,834$4.85M11.55%-2,542Timeline
CPRXCATALYST PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 153,391 shares; 2024Q3: 153,291 shares; 2024Q4: 153,291 shares; 2025Q1: 151,893 shares 151,893$3.68M8.77%-1,398Timeline
NVDANVIDIA CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 29,320 shares; 2024Q3: 29,250 shares; 2024Q4: 29,193 shares; 2025Q1: 29,042 shares 29,042$3.15M7.49%-151Timeline
NXENEXGEN ENERGY LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 582,808 shares; 2024Q3: 577,693 shares; 2024Q4: 574,423 shares; 2025Q1: 569,675 shares 569,675$2.56M6.09%-4,748Timeline
AFLAFLAC INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 24,564 shares; 2024Q3: 23,614 shares; 2024Q4: 23,387 shares; 2025Q1: 22,994 shares 22,994$2.56M6.09%-393Timeline
ONTOONTO INNOVATION INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 20,161 shares; 2024Q3: 14,426 shares; 2024Q4: 14,420 shares; 2025Q1: 12,833 shares 12,833$1.56M3.71%-1,587Timeline
SFSTIFEL FINL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 15,811 shares; 2024Q3: 15,721 shares; 2024Q4: 15,681 shares; 2025Q1: 15,628 shares 15,628$1.47M3.51%-53Timeline
CARLYLE GROUP L PCARLYLE GROUP L PQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 33,140 shares; 2024Q3: 33,140 shares; 2024Q4: 33,030 shares; 2025Q1: 32,661 shares 32,661$1.42M3.39%-369
QCOMQUALCOMM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 11,315 shares; 2024Q3: 11,197 shares; 2024Q4: 10,194 shares; 2025Q1: 7,787 shares 7,787$1.2M2.85%-2,407Timeline
SYMSYMBOTIC INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 41,537 shares; 2024Q3: 43,092 shares; 2024Q4: 72,688 shares; 2025Q1: 53,376 shares 53,376$1.08M2.57%-19,312Timeline
AMATAPPLIED MATLS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 7,181 shares; 2024Q3: 7,981 shares; 2024Q4: 7,066 shares; 2025Q1: 7,083 shares 7,083$1.03M2.45%+17Timeline
PMPHILIP MORRIS INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 6,411 shares; 2024Q3: 6,386 shares; 2024Q4: 6,361 shares; 2025Q1: 6,380 shares 6,380$1.01M2.41%+19Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 5,419 shares; 2024Q3: 5,404 shares; 2024Q4: 5,354 shares; 2025Q1: 5,272 shares 5,272$1M2.39%-82Timeline
CCJCAMECO CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 17,119 shares; 2024Q3: 17,039 shares; 2024Q4: 16,849 shares; 2025Q1: 16,715 shares 16,715$688K1.64%-134Timeline
MAMASTERCARD INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 1,236 shares; 2024Q3: 1,228 shares; 2024Q4: 1,228 shares; 2025Q1: 1,211 shares 1,211$664K1.58%-17Timeline
GTLSCHART INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 5,690 shares; 2024Q3: 4,785 shares; 2024Q4: 4,665 shares; 2025Q1: 4,559 shares 4,559$658K1.57%-106Timeline
Aura Minerals, Inc.Aura Minerals, Inc.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: not reported; 2024Q3: 8,500 shares; 2024Q4: 32,500 shares; 2025Q1: 32,583 shares 32,583$635K1.51%+83
METAMETA PLATFORMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 834 shares; 2024Q3: 834 shares; 2024Q4: 822 shares; 2025Q1: 824 shares 824$475K1.13%+2Timeline
PEPPEPSICO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 4,304 shares; 2024Q3: 4,284 shares; 2024Q4: 3,259 shares; 2025Q1: 2,931 shares 2,931$439K1.05%-328Timeline
UECURANIUM ENERGY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 80,120 shares; 2024Q3: 77,520 shares; 2024Q4: 77,520 shares; 2025Q1: 77,731 shares 77,731$372K0.89%+211Timeline
IONSIONIS PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 14,512 shares; 2024Q3: 14,512 shares; 2024Q4: 6,892 shares; 2025Q1: 6,714 shares 6,714$203K0.48%-178Timeline
ACNACCENTURE PLC IRELANDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 1,514 shares; 2024Q3: 1,459 shares; 2024Q4: 1,441 shares; 2025Q1: 539 shares 539$168K0.4%-902Timeline
ASML Holding N.V. ADRASML Holding N.V. ADRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 224 shares; 2024Q3: 224 shares; 2024Q4: 224 shares; 2025Q1: 224 shares 224$148K0.35%0
IWBISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 235 shares; 2024Q3: 235 shares; 2024Q4: 235 shares; 2025Q1: 235 shares 235$72K0.17%0Timeline
IWFISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 149 shares; 2024Q3: 149 shares; 2024Q4: 149 shares; 2025Q1: 149 shares 149$54K0.13%0Timeline
JPMJPMORGAN CHASE & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 294 shares; 2024Q3: 263 shares; 2024Q4: 232 shares; 2025Q1: 217 shares 217$53K0.13%-15Timeline
BYSIBEYONDSPRING INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 29,473 shares; 2024Q3: 29,473 shares; 2024Q4: 29,473 shares; 2025Q1: 26,296 shares 26,296$38K0.09%-3,177Timeline
CLCOLGATE PALMOLIVE COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 278 shares; 2024Q3: 278 shares; 2024Q4: 278 shares; 2025Q1: 278 shares 278$25K0.06%0Timeline
IWDISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 123 shares; 2024Q3: 123 shares; 2024Q4: 123 shares; 2025Q1: 123 shares 123$23K0.05%0Timeline
MDLZMONDELEZ INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 232 shares; 2024Q3: 192 shares; 2024Q4: 192 shares; 2025Q1: 192 shares 192$13K0.03%0Timeline
IJRISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 109 shares; 2024Q3: 109 shares; 2024Q4: 109 shares; 2025Q1: 109 shares 109$11K0.03%0Timeline
PGPROCTER & GAMBLE COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 73 shares; 2024Q3: 63 shares; 2024Q4: 63 shares; 2025Q1: 63 shares 63$11K0.03%0Timeline
BMYBRISTOL-MYERS SQUIBB COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 486 shares; 2024Q3: 166 shares; 2024Q4: 166 shares; 2025Q1: 166 shares 166$10K0.02%0Timeline
EFGISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 81 shares; 2024Q3: 81 shares; 2024Q4: 81 shares; 2025Q1: 81 shares 81$8K0.02%0Timeline
EFAISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 103 shares; 2024Q3: 103 shares; 2024Q4: 103 shares; 2025Q1: 103 shares 103$8K0.02%0Timeline
KRAFT FOODS GROUP INCKRAFT FOODS GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 279 shares; 2024Q3: 279 shares; 2024Q4: 279 shares; 2025Q1: 279 shares 279$8K0.02%0
INTCINTEL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 180 shares; 2024Q3: 180 shares; 2024Q4: 180 shares; 2025Q1: 180 shares 180$4K0.01%0Timeline
JNJJOHNSON & JOHNSONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 49 shares; 2024Q3: 37 shares; 2024Q4: 18 shares; 2025Q1: 18 shares 18$3K0.01%0Timeline
CHDCHURCH & DWIGHT CO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 76 shares; 2024Q3: 26 shares; 2024Q4: 26 shares; 2025Q1: 26 shares 26$3K0.01%0Timeline
TRVTRAVELERS COMPANIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 6 shares; 2024Q3: 6 shares; 2024Q4: 6 shares; 2025Q1: 6 shares 6$1K<0.01%0Timeline
FILANA THERAPEUTICS INCFILANA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: 251,150 shares; 2024Q3: 251,150 shares; 2024Q4: 251,150 shares; 2025Q1: 251,150 shares 251,150$00%0Value filed as zero, left out of ratios.

Sold out in Q1 2025

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

SecurityShares beforeValue beforeType
NICENICE LTD4,754$807Kshares
HONHONEYWELL INTL INC867$196Kshares

How Q1 2025 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 0000816788-25-000002 base2025-05-15acceptance time not in the bulk data set