Skip to content
Disclosery

TANAKA CAPITAL MANAGEMENT INC

Follow

13F filer, CIK 816788, NEW YORK, NY

TANAKA CAPITAL MANAGEMENT INC reported $59,889,000 across 43 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-18. Its ten largest share positions make up 64.59% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000816788-26-000002

Period
2026-03-31
Reported value
$59.9M
Holdings
43
Top 10 weight
64.59%
New
0
Sold out
1

Largest buys vs the previous quarter

SecurityShares changeApprox. value
IJRadded+125,357$1.61M
PEPadded+4,150$645K
CCJadded+5,185$563K
SFadded+6,362$470K
Aura Minerals, Inc.added+5,250$428K

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
PMreduced-3,485-$576K
ONTOreduced-385-$79K
NXEreduced-3,420-$39.7K
AFLreduced-330-$36.2K
GTLSexited-170-$35K

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 2026

Share positions as resolved from 13F-HR 0000816788-26-000002, largest first. % of portfolio is the value over $59,887,000, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
UAMYUNITED STATES ANTIMONY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not loaded; 2025Q3: 827,035 shares; 2025Q4: 615,975 shares; 2026Q1: 615,975 shares 615,975$5.38M8.98%0Timeline
NXENEXGEN ENERGY LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 582,808 shares; 2024Q3: 577,693 shares; 2024Q4: 574,423 shares; 2025Q1: 569,675 shares; 2025Q2: not loaded; 2025Q3: 442,625 shares; 2025Q4: 442,625 shares; 2026Q1: 439,205 shares 439,205$5.09M8.51%-3,420Timeline
CORTCORCEPT THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 100,276 shares; 2024Q3: 112,136 shares; 2024Q4: 111,551 shares; 2025Q1: 93,184 shares; 2025Q2: not loaded; 2025Q3: 111,209 shares; 2025Q4: 111,084 shares; 2026Q1: 110,854 shares 110,854$4.47M7.46%-230Timeline
NVDANVIDIA CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 29,320 shares; 2024Q3: 29,250 shares; 2024Q4: 29,193 shares; 2025Q1: 29,042 shares; 2025Q2: not loaded; 2025Q3: 24,879 shares; 2025Q4: 24,810 shares; 2026Q1: 24,780 shares 24,780$4.32M7.22%-30Timeline
Aura Minerals, Inc.Aura Minerals, Inc.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: not reported; 2024Q3: 8,500 shares; 2024Q4: 32,500 shares; 2025Q1: 32,583 shares; 2025Q2: not loaded; 2025Q3: 32,043 shares; 2025Q4: 44,835 shares; 2026Q1: 50,085 shares 50,085$4.09M6.82%+5,250
NUVBNUVATION BIO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not loaded; 2025Q3: 685,105 shares; 2025Q4: 841,605 shares; 2026Q1: 901,825 shares 901,825$3.87M6.46%+60,220Timeline
AAPLAPPLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 25,715 shares; 2024Q3: 25,464 shares; 2024Q4: 24,376 shares; 2025Q1: 21,834 shares; 2025Q2: not loaded; 2025Q3: 12,972 shares; 2025Q4: 12,937 shares; 2026Q1: 12,859 shares 12,859$3.26M5.45%-78Timeline
IJRISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 109 shares; 2024Q3: 109 shares; 2024Q4: 109 shares; 2025Q1: 109 shares; 2025Q2: not loaded; 2025Q3: 144,334 shares; 2025Q4: 94,859 shares; 2026Q1: 220,216 shares 220,216$2.84M4.74%+125,357Timeline
CPRXCATALYST PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 153,391 shares; 2024Q3: 153,291 shares; 2024Q4: 153,291 shares; 2025Q1: 151,893 shares; 2025Q2: not loaded; 2025Q3: 114,418 shares; 2025Q4: 114,418 shares; 2026Q1: 113,418 shares 113,418$2.81M4.69%-1,000Timeline
ONTOONTO INNOVATION INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 20,161 shares; 2024Q3: 14,426 shares; 2024Q4: 14,420 shares; 2025Q1: 12,833 shares; 2025Q2: not loaded; 2025Q3: 12,833 shares; 2025Q4: 12,833 shares; 2026Q1: 12,448 shares 12,448$2.55M4.26%-385Timeline
AMATAPPLIED MATLS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 7,181 shares; 2024Q3: 7,981 shares; 2024Q4: 7,066 shares; 2025Q1: 7,083 shares; 2025Q2: not loaded; 2025Q3: 7,023 shares; 2025Q4: 6,988 shares; 2026Q1: 6,953 shares 6,953$2.38M3.97%-35Timeline
CCJCAMECO CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 17,119 shares; 2024Q3: 17,039 shares; 2024Q4: 16,849 shares; 2025Q1: 16,715 shares; 2025Q2: not loaded; 2025Q3: 16,505 shares; 2025Q4: 16,390 shares; 2026Q1: 21,575 shares 21,575$2.34M3.91%+5,185Timeline
SYMSYMBOTIC INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 41,537 shares; 2024Q3: 43,092 shares; 2024Q4: 72,688 shares; 2025Q1: 53,376 shares; 2025Q2: not loaded; 2025Q3: 43,454 shares; 2025Q4: 43,354 shares; 2026Q1: 43,094 shares 43,094$2.29M3.83%-260Timeline
AFLAFLAC INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 24,564 shares; 2024Q3: 23,614 shares; 2024Q4: 23,387 shares; 2025Q1: 22,994 shares; 2025Q2: not loaded; 2025Q3: 20,369 shares; 2025Q4: 20,369 shares; 2026Q1: 20,039 shares 20,039$2.2M3.67%-330Timeline
ELVAELECTROVAYA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not loaded; 2025Q3: 253,930 shares; 2025Q4: 253,930 shares; 2026Q1: 253,930 shares 253,930$1.99M3.32%0Timeline
SFSTIFEL FINL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 15,811 shares; 2024Q3: 15,721 shares; 2024Q4: 15,681 shares; 2025Q1: 15,628 shares; 2025Q2: not loaded; 2025Q3: 12,803 shares; 2025Q4: 12,728 shares; 2026Q1: 19,090 shares 19,090$1.41M2.36%+6,362Timeline
CARLYLE GROUP L PCARLYLE GROUP L PQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 33,140 shares; 2024Q3: 33,140 shares; 2024Q4: 33,030 shares; 2025Q1: 32,661 shares; 2025Q2: not loaded; 2025Q3: 28,841 shares; 2025Q4: 28,791 shares; 2026Q1: 28,791 shares 28,791$1.39M2.33%0
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 5,419 shares; 2024Q3: 5,404 shares; 2024Q4: 5,354 shares; 2025Q1: 5,272 shares; 2025Q2: not loaded; 2025Q3: 5,052 shares; 2025Q4: 5,042 shares; 2026Q1: 6,052 shares 6,052$1.26M2.1%+1,010Timeline
QCOMQUALCOMM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 11,315 shares; 2024Q3: 11,197 shares; 2024Q4: 10,194 shares; 2025Q1: 7,787 shares; 2025Q2: not loaded; 2025Q3: 7,772 shares; 2025Q4: 7,742 shares; 2026Q1: 9,104 shares 9,104$1.17M1.96%+1,362Timeline
PEPPEPSICO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 4,304 shares; 2024Q3: 4,284 shares; 2024Q4: 3,259 shares; 2025Q1: 2,931 shares; 2025Q2: not loaded; 2025Q3: 2,945 shares; 2025Q4: 2,945 shares; 2026Q1: 7,095 shares 7,095$1.1M1.84%+4,150Timeline
UECURANIUM ENERGY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 80,120 shares; 2024Q3: 77,520 shares; 2024Q4: 77,520 shares; 2025Q1: 77,731 shares; 2025Q2: not loaded; 2025Q3: 77,051 shares; 2025Q4: 77,051 shares; 2026Q1: 77,051 shares 77,051$1.04M1.73%0Timeline
MAMASTERCARD INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 1,236 shares; 2024Q3: 1,228 shares; 2024Q4: 1,228 shares; 2025Q1: 1,211 shares; 2025Q2: not loaded; 2025Q3: 1,201 shares; 2025Q4: 1,201 shares; 2026Q1: 1,893 shares 1,893$946K1.58%+692Timeline
PMPHILIP MORRIS INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 6,411 shares; 2024Q3: 6,386 shares; 2024Q4: 6,361 shares; 2025Q1: 6,380 shares; 2025Q2: not loaded; 2025Q3: 6,346 shares; 2025Q4: 6,336 shares; 2026Q1: 2,851 shares 2,851$471K0.79%-3,485Timeline
METAMETA PLATFORMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 834 shares; 2024Q3: 834 shares; 2024Q4: 822 shares; 2025Q1: 824 shares; 2025Q2: not loaded; 2025Q3: 819 shares; 2025Q4: 809 shares; 2026Q1: 803 shares 803$459K0.77%-6Timeline
ASML Holding N.V. ADRASML Holding N.V. ADRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 224 shares; 2024Q3: 224 shares; 2024Q4: 224 shares; 2025Q1: 224 shares; 2025Q2: not loaded; 2025Q3: 224 shares; 2025Q4: 224 shares; 2026Q1: 224 shares 224$296K0.49%0
ACNACCENTURE PLC IRELANDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 1,514 shares; 2024Q3: 1,459 shares; 2024Q4: 1,441 shares; 2025Q1: 539 shares; 2025Q2: not loaded; 2025Q3: 511 shares; 2025Q4: 511 shares; 2026Q1: 502 shares 502$100K0.17%-9Timeline
IWBISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 235 shares; 2024Q3: 235 shares; 2024Q4: 235 shares; 2025Q1: 235 shares; 2025Q2: not loaded; 2025Q3: 235 shares; 2025Q4: 235 shares; 2026Q1: 235 shares 235$84K0.14%0Timeline
IWFISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 149 shares; 2024Q3: 149 shares; 2024Q4: 149 shares; 2025Q1: 149 shares; 2025Q2: not loaded; 2025Q3: 149 shares; 2025Q4: 149 shares; 2026Q1: 149 shares 149$64K0.11%0Timeline
JPMJPMORGAN CHASE & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 294 shares; 2024Q3: 263 shares; 2024Q4: 232 shares; 2025Q1: 217 shares; 2025Q2: not loaded; 2025Q3: 207 shares; 2025Q4: 207 shares; 2026Q1: 188 shares 188$55K0.09%-19Timeline
BYSIBEYONDSPRING INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 29,473 shares; 2024Q3: 29,473 shares; 2024Q4: 29,473 shares; 2025Q1: 26,296 shares; 2025Q2: not loaded; 2025Q3: 26,296 shares; 2025Q4: 26,296 shares; 2026Q1: 26,296 shares 26,296$43K0.07%0Timeline
IWDISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 123 shares; 2024Q3: 123 shares; 2024Q4: 123 shares; 2025Q1: 123 shares; 2025Q2: not loaded; 2025Q3: 123 shares; 2025Q4: 123 shares; 2026Q1: 123 shares 123$26K0.04%0Timeline
CLCOLGATE PALMOLIVE COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 278 shares; 2024Q3: 278 shares; 2024Q4: 278 shares; 2025Q1: 278 shares; 2025Q2: not loaded; 2025Q3: 263 shares; 2025Q4: 263 shares; 2026Q1: 263 shares 263$22K0.04%0Timeline
MDLZMONDELEZ INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 232 shares; 2024Q3: 192 shares; 2024Q4: 192 shares; 2025Q1: 192 shares; 2025Q2: not loaded; 2025Q3: 192 shares; 2025Q4: 192 shares; 2026Q1: 192 shares 192$11K0.02%0Timeline
BMYBRISTOL-MYERS SQUIBB COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 486 shares; 2024Q3: 166 shares; 2024Q4: 166 shares; 2025Q1: 166 shares; 2025Q2: not loaded; 2025Q3: 166 shares; 2025Q4: 166 shares; 2026Q1: 166 shares 166$10K0.02%0Timeline
EFAISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 103 shares; 2024Q3: 103 shares; 2024Q4: 103 shares; 2025Q1: 103 shares; 2025Q2: not loaded; 2025Q3: 103 shares; 2025Q4: 103 shares; 2026Q1: 103 shares 103$10K0.02%0Timeline
PGPROCTER & GAMBLE COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 73 shares; 2024Q3: 63 shares; 2024Q4: 63 shares; 2025Q1: 63 shares; 2025Q2: not loaded; 2025Q3: 63 shares; 2025Q4: 63 shares; 2026Q1: 63 shares 63$9K0.02%0Timeline
EFGISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 81 shares; 2024Q3: 81 shares; 2024Q4: 81 shares; 2025Q1: 81 shares; 2025Q2: not loaded; 2025Q3: 81 shares; 2025Q4: 81 shares; 2026Q1: 81 shares 81$9K0.02%0Timeline
INTCINTEL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 180 shares; 2024Q3: 180 shares; 2024Q4: 180 shares; 2025Q1: 180 shares; 2025Q2: not loaded; 2025Q3: 180 shares; 2025Q4: 180 shares; 2026Q1: 180 shares 180$8K0.01%0Timeline
KRAFT FOODS GROUP INCKRAFT FOODS GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 279 shares; 2024Q3: 279 shares; 2024Q4: 279 shares; 2025Q1: 279 shares; 2025Q2: not loaded; 2025Q3: 279 shares; 2025Q4: 279 shares; 2026Q1: 279 shares 279$6K0.01%0
JNJJOHNSON & JOHNSONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 49 shares; 2024Q3: 37 shares; 2024Q4: 18 shares; 2025Q1: 18 shares; 2025Q2: not loaded; 2025Q3: 9 shares; 2025Q4: 9 shares; 2026Q1: 9 shares 9$2K<0.01%0Timeline
CHDCHURCH & DWIGHT CO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 76 shares; 2024Q3: 26 shares; 2024Q4: 26 shares; 2025Q1: 26 shares; 2025Q2: not loaded; 2025Q3: 26 shares; 2025Q4: 26 shares; 2026Q1: 26 shares 26$2K<0.01%0Timeline
TRVTRAVELERS COMPANIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 6 shares; 2024Q3: 6 shares; 2024Q4: 6 shares; 2025Q1: 6 shares; 2025Q2: not loaded; 2025Q3: 6 shares; 2025Q4: 6 shares; 2026Q1: 6 shares 6$2K<0.01%0Timeline
FILANA THERAPEUTICS INCFILANA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: 251,150 shares; 2024Q3: 251,150 shares; 2024Q4: 251,150 shares; 2025Q1: 251,150 shares; 2025Q2: not loaded; 2025Q3: 251,150 shares; 2025Q4: 251,150 shares; 2026Q1: 251,150 shares 251,150$00%0Value filed as zero, left out of ratios.

Sold out in Q1 2026

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

SecurityShares beforeValue beforeType
GTLSCHART INDS INC170$35Kshares

How Q1 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 0000816788-26-000002 base2026-05-18acceptance time not in the bulk data set