Q1 2026 13F · SEC CIK 1105909

Security National Bank of So Dak

Bank & trustFiled 2026-05-15 for Q1 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $207.5M
Reported positions: 119
Top holdings a year, 3 yrs: +14.1%
Average holding period: 8.6 yrs

Security National Bank of So Dak is a bank & trust that reported 119 positions worth $207.5M in its Q1 2026 13F, filed 2026-05-15. Its largest holdings were Bny Mellon Muni Int ETF (BKMI, 5.8%), Apple Inc (AAPL, 5.3%), Alphabet Inc (GOOGL, 4.2%). A portfolio copying its top holdings returned 14.1% a year over the last 3 years, against 21.8% for the S&P 500.

Security National Bank of So Dak holdings largest 50 of 119 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.

Security National Bank of So Dak 13F holdings
Stock	% of 13F value	Q4 2025	Shares	Share change	Reported value
BKMIBny Mellon Muni Int ETF	5.8%	—	459,087	—	$12.0M
AAPLApple Inc	5.3%	5.9%	43,361	-1.7%	$11.0M
GOOGLAlphabet Inc	4.2%	4.8%	30,294	-2.0%	$8.7M
MSFTMicrosoft Corp	3.8%	5.0%	21,100	-0.2%	$7.8M
BRK-BBerkshire Hathaway Inc Del	3.7%	4.0%	15,899	-0.7%	$7.6M
VTVanguard Total World Stock Index Fund Et	2.8%	3.6%	41,390	-19.2%	$5.7M
WMTWalmart Inc	2.6%	2.5%	43,430	-6.1%	$5.4M
ORCLOracle Corp	2.1%	2.8%	29,279	+1.2%	$4.3M
TMOThermo Fisher Scientific Inc	2.0%	2.5%	8,579	-0.0%	$4.2M
RTXRtx Corporation Com	2.0%	2.1%	21,506	-7.4%	$4.1M
XOMExxon Mobil Corp	2.0%	1.5%	24,398	-4.5%	$4.1M
JNJJohnson & Johnson	2.0%	1.8%	16,781	-2.3%	$4.1M
AFLAflac Inc	1.8%	1.9%	34,530	-1.3%	$3.8M
CMICummins Inc	1.8%	1.9%	6,919	-8.0%	$3.7M
QCOMQualcomm Inc	1.7%	2.3%	28,069	+1.6%	$3.6M
ABBVAbbvie Inc	1.7%	1.9%	16,474	-0.6%	$3.6M
NVDANvidia Corporation Com	1.6%	1.8%	18,848	-3.4%	$3.3M
LINLinde PLC	1.6%	1.4%	6,569	-1.0%	$3.3M
AMZNAmazon Com Inc Com	1.4%	1.4%	14,011	+15.3%	$2.9M
JJacobs Solutions Inc	1.3%	1.4%	21,914	-1.1%	$2.8M
JPMJpmorgan Chase & Co	1.3%	1.5%	9,436	-0.3%	$2.8M
LDOSLeidos Holdings Inc	1.3%	1.6%	17,444	-0.6%	$2.7M
NUENucor Corp	1.3%	1.2%	15,854	+2.9%	$2.7M
DLRDigital Realty Trust Inc	1.3%	1.2%	14,692	-3.6%	$2.6M
UNPUnion Pac Corp	1.3%	1.3%	10,883	-1.0%	$2.6M
STTState Str Corp	1.3%	1.4%	20,705	-3.2%	$2.6M
ABTAbbott Laboratories	1.2%	1.5%	25,071	+2.4%	$2.6M
HDHome Depot Inc Com	1.2%	1.3%	7,719	+2.7%	$2.5M
WABWabtec Corp	1.1%	1.1%	9,243	-7.6%	$2.3M
TELTe Connectivity PLC	1.1%	1.2%	10,870	+0.9%	$2.3M
DHRDanaher Corporation	1.1%	1.3%	11,586	+0.2%	$2.2M
ADPAutomatic Data Processing Inc Com	1.0%	1.3%	10,579	+0.1%	$2.1M
CLColgate Palmolive Co	1.0%	1.0%	25,010	+0.4%	$2.1M
LRCXLam Research Corp	1.0%	0.9%	9,875	-4.9%	$2.1M
PEPPepsico Inc	1.0%	0.9%	13,152	-0.1%	$2.0M
KOCoca Cola Co	0.9%	0.8%	24,445	+1.4%	$1.9M
VZVerizon Communications Inc Com	0.9%	0.7%	36,871	+0.8%	$1.9M
ITWIllinois Tool Works Inc.	0.9%	0.9%	7,091	-1.8%	$1.8M
NKENike Inc Cl B	0.9%	1.1%	34,665	+2.8%	$1.8M
TKRTimken Co	0.8%	0.8%	17,300	-8.8%	$1.7M
VLTOVeralto Corp	0.8%	0.9%	19,378	+1.7%	$1.7M
IBBIshares Tr	0.8%	0.8%	10,061	-1.6%	$1.7M
JEPIJpmorgan Equity Premium Income ETF	0.8%	0.8%	29,885	+0.0%	$1.7M
VGTVanguard Info Tech	0.8%	0.9%	2,409	+0.9%	$1.7M
VEAVanguard Tax-Managed Fds	0.8%	—	25,985	—	$1.7M
VUGVanguard Indx Fd	0.8%	0.9%	3,803	-0.3%	$1.7M
CTSHCognizant Technology Solutions Corp	0.8%	1.0%	25,490	+2.5%	$1.6M
SNASnap-on Inc.	0.8%	0.7%	4,298	-2.5%	$1.6M
LOPEGrand Canyon Ed Inc	0.7%	—	9,087	—	$1.5M
BAHBooz Allen Hamilton Hldg Cor	0.7%	0.7%	19,190	+7.0%	$1.5M

What Security National Bank of So Dak bought and sold in Q1 2026, against Q4 2025.

New positions

Q4 2025's filing was too long to tell new positions apart.

Share counts compared with the Q4 2025 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: +11.4% /yr; S&P 500 +20.1%
3 years: +14.1% /yr; S&P 500 +21.8%
5 years: +7.8% /yr; S&P 500 +11.8%

A portfolio of the filer's 20 largest 13F positions, weighted by value and rebuilt each quarter on the day the filing became public. 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	$207.5M	119
Q4 2025	$203.0M	111
Q3 2025	$198.9M	109
Q2 2025	$183.5M	111
Q1 2025	$176.7M	112
Q4 2024	$179.3M	108
Q3 2024	$180.0M	101
Q2 2024	$167.2M	95
Q1 2024	$166.2M	97
Q4 2023	$151.6M	95
Q3 2023	$135.8M	96
Q2 2023	$140.1M	97

Questions about Security National Bank of So Dak's portfolio

What stocks does Security National Bank of So Dak own?

Security National Bank of So Dak's latest 13F, for Q1 2026 and filed May 15, 2026, lists 119 positions worth $207.5M. The largest are Bny Mellon Muni Int ETF (BKMI) at 5.8%, Apple Inc (AAPL) at 5.3%, Alphabet Inc (GOOGL) at 4.2%, Microsoft Corp (MSFT) at 3.8% and Berkshire Hathaway Inc Del (BRK-B) at 3.7%.

What did Security National Bank of So Dak buy last quarter?

In Q1 2026, Security National Bank of So Dak added Amazon Com Inc Com (AMZN) (+15.3% shares) and Booz Allen Hamilton Hldg Cor (BAH) (+7.0% shares), compared with its Q4 2025 filing.

What did Security National Bank of So Dak sell last quarter?

In Q1 2026, Security National Bank of So Dak cut from its top 50 Broadcom Inc (AVGO), cut from its top 50 Schwab U.s. Large-Cap Growth ETF (SCHG), cut from its top 50 Prudential Finl Inc Com (PRU), Vanguard Total World Stock Index Fund Et (VT) (-19.2% shares), Timken Co (TKR) (-8.8% shares) and Cummins Inc (CMI) (-8.0% shares), compared with its Q4 2025 filing.

How has Security National Bank of So Dak's portfolio performed?

A portfolio copying Security National Bank of So Dak's 20 largest 13F holdings each quarter, from the day each filing was public, returned +14.1% a year over the last 3 years, against +21.8% for the S&P 500. Over 1 year: +11.4% against +20.1%. Over 5 years: +7.8% a year against +11.8%.

When is Security National Bank of So Dak's next 13F filing due?

13F filings are due 45 days after each quarter ends. Security National Bank of So Dak's filing for the quarter ending Jun 30, 2026 was due by Aug 14, 2026; this page updates once it is processed.