Q1 2026 13F · SEC CIK 816788

Tanaka Capital Management Inc

Mutual fund managerFiled 2026-05-18 for Q1 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $59.9M
Reported positions: 42
Top holdings a year, 3 yrs: +30.6%
Assets under management: $69.4M

Tanaka Capital Management Inc is a mutual fund manager that reported 42 positions worth $59.9M in its Q1 2026 13F, filed 2026-05-18. Its largest holdings were United States Antimony Corp (UAMY, 9.0%), Nexgen Energy Limited (canada) (NXE, 8.5%), Corcept Therapeutics Inc (CORT, 7.5%). A portfolio copying its top holdings returned 30.6% a year over the last 3 years, against 20.4% for the S&P 500.

Tanaka Capital Management Inc holdings all 42 positions.

Weights are shares of the filer's total reported 13F value, compared with Q4 2025. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Tanaka Capital Management Inc 13F holdings
Stock	% of 13F value	Q4 2025	Shares	Share change	Reported value
UAMYUnited States Antimony Corp	9.0%	5.6%	615,975	+0.0%	$5.4M
NXENexgen Energy Limited (canada)	8.5%	7.4%	439,205	-0.8%	$5.1M
CORTCorcept Therapeutics Inc	7.5%	7.1%	110,854	-0.2%	$4.5M
NVDANvidia Corporation	7.2%	8.4%	24,780	-0.1%	$4.3M
AUGOAura Minerals, Inc.	6.8%	4.1%	50,085	+11.7%	$4.1M
NUVBNuvation Bio Inc	6.5%	13.8%	901,825	+7.2%	$3.9M
AAPLApple Inc	5.4%	6.4%	12,859	-0.6%	$3.3M
IJRIshares Tr	4.7%	1.6%	220,216	+132.2%	$2.8M
CPRXCatalyst Pharmaceuticals Inc	4.7%	4.9%	113,418	-0.9%	$2.8M
ONTOOnto Innovation Inc	4.3%	3.7%	12,448	-3.0%	$2.6M
AMATApplied Matls Inc	4.0%	3.3%	6,953	-0.5%	$2.4M
CCJCameco Corp	3.9%	2.7%	21,575	+31.6%	$2.3M
SYMSymbotic Inc	3.8%	4.7%	43,094	-0.6%	$2.3M
AFLAflac Inc	3.7%	4.1%	20,039	-1.6%	$2.2M
ELVAElectrovaya Inc	3.3%	3.7%	253,930	+0.0%	$2.0M
SFStifel Finl Corp	2.4%	2.9%	19,090	+50.0%	$1.4M
CGThe Carlyle Group	2.3%	3.1%	28,791	+0.0%	$1.4M
AMZNAmazon Com Inc	2.1%	2.1%	6,052	+20.0%	$1.3M
QCOMQualcomm Inc	2.0%	2.4%	9,104	+17.6%	$1.2M
PEPPepsico Inc	1.8%	0.8%	7,095	+140.9%	$1.1M
UECUranium Energy Corp	1.7%	1.6%	77,051	+0.0%	$1.0M
MAMastercard Incorporated	1.6%	1.3%	1,893	+57.6%	$946K
PMPhilip Morris Intl Inc	0.8%	1.9%	2,851	-55.0%	$471K
METAMeta Platforms Inc	0.8%	1.0%	803	-0.7%	$459K
N07059111ASML Holding N.V. ADR	0.5%	0.4%	224	+0.0%	$296K
ACNAccenture PLC Ireland	0.2%	0.3%	502	-1.8%	$100K
IWBIshares Tr	0.1%	0.2%	235	+0.0%	$84K
IWFIshares Tr	0.1%	0.1%	149	+0.0%	$64K
JPMJpmorgan Chase & Co	0.1%	0.1%	188	-9.2%	$55K
BYSIBeyondSpring Inc.	0.1%	0.1%	26,296	+0.0%	$43K
IWDIshares Tr	0.0%	0.0%	123	+0.0%	$26K
CLColgate Palmolive Co	0.0%	0.0%	263	+0.0%	$22K
MDLZMondelez International	0.0%	0.0%	192	+0.0%	$11K
BMYBristol-Myers Squibb Co	0.0%	0.0%	166	+0.0%	$10K
EFAIshares Tr	0.0%	0.0%	103	+0.0%	$10K
EFGIshares Tr	0.0%	0.0%	81	+0.0%	$9K
PGProcter & Gamble Co	0.0%	0.0%	63	+0.0%	$9K
INTCIntel Corp	0.0%	0.0%	180	+0.0%	$8K
KHCKraft Heinz Company	0.0%	0.0%	279	+0.0%	$6K
CHDChurch & Dwight Co Inc	0.0%	0.0%	26	+0.0%	$2K
JNJJohnson & Johnson	0.0%	0.0%	9	+0.0%	$2K
TRVTravelers Companies Inc	0.0%	0.0%	6	+0.0%	$2K

What Tanaka Capital Management Inc bought and sold in Q1 2026, against Q4 2025.

New positions

No new positions among the largest holdings.

Share counts compared with the Q4 2025 13F; a split also changes share counts.

How the holdings did against the S&P 500.

1 year: +49.2% /yr; S&P 500 +20.1%
3 years: +30.6% /yr; S&P 500 +20.4%
5 years: +6.2% /yr; S&P 500 +11.6%

A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q1 2026	$59.9M	42
Q4 2025	$54.8M	43
Q3 2025	$55.5M	43
Q1 2025	$42.0M	41
Q4 2024	$43.7M	43
Q3 2024	$43.2M	44
Q2 2024	$42.2M	46
Q1 2024	$40.6M	47
Q4 2023	$40.9M	48
Q3 2023	$35.0M	45
Q2 2023	$37.0M	46
Q1 2023	$34.4M	47

Questions about Tanaka Capital Management Inc's portfolio

What stocks does Tanaka Capital Management Inc own?

Tanaka Capital Management Inc's latest 13F, for Q1 2026 and filed May 18, 2026, lists 42 positions worth $59.9M. The largest are United States Antimony Corp (UAMY) at 9.0%, Nexgen Energy Limited (canada) (NXE) at 8.5%, Corcept Therapeutics Inc (CORT) at 7.5%, Nvidia Corporation (NVDA) at 7.2% and Aura Minerals, Inc. (AUGO) at 6.8%.

What did Tanaka Capital Management Inc buy last quarter?

In Q1 2026, Tanaka Capital Management Inc added Pepsico Inc (PEP) (+140.9% shares), Ishares Tr (IJR) (+132.2% shares) and Mastercard Incorporated (MA) (+57.6% shares), compared with its Q4 2025 filing.

What did Tanaka Capital Management Inc sell last quarter?

In Q1 2026, Tanaka Capital Management Inc sold all of Chart Inds Inc (GTLS), Philip Morris Intl Inc (PM) (-55.0% shares) and Jpmorgan Chase & Co (JPM) (-9.2% shares), compared with its Q4 2025 filing.

How has Tanaka Capital Management Inc's portfolio performed?

A portfolio copying Tanaka Capital Management Inc's 20 largest 13F holdings each quarter, from the day each filing was public, returned +30.6% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: +49.2% against +20.1%. Over 5 years: +6.2% a year against +11.6%.

When is Tanaka Capital Management Inc's next 13F filing due?

13F filings are due 45 days after each quarter ends. Tanaka Capital Management Inc's filing for the quarter ending Jun 30, 2026 was due by Aug 14, 2026; this page updates once it is processed.

How much money does Tanaka Capital Management Inc manage?

Tanaka Capital Management Inc reported $69.4M of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $59.9M.