The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

  UNITED STATES SECURITIES AND EXCHANGE COMMISSION OMB APPROVAL
 Washington, D.C. 20549
FORM 13F
OMB Number:   3235-0006
Estimated average burden
hours per response:       23.8


FORM 13F COVER PAGE


Report for the Calendar Year or Quarter Ended:
09-30-2025
 
Check here if Amendment:      Amendment Number:
 
This Amendment (Check only one.):    is a restatement.
     adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:SECURITY NATIONAL BANK OF SIOUX CITY IOWA /IA/ 
Address:PO BOX 147 
 601 PIERCE ST 
 SIOUX CITY IA 51102 

Form 13F File Number:  028-05013 
CRD Number (if applicable):   
SEC File Number (if applicable):   


The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:Alissa Hansen 
Title:Director of Trust Operations & Tax 
Phone: 712-277-6672 

Signature, Place, and Date of Signing:

Alissa M Hansen Sioux City,  IOWA 10-14-2025 
[Signature][City, State][Date]

Do you wish to provide information pursuant to Special Instruction 5?        Yes      X  No

Report Type (Check only one.):

X  13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)

     13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)

     13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)


Form 13F Summary Page

Report Summary:

Number of Other Included Managers:
Form 13F Information table Entry Total:140 
Form 13F Information table Value Total:153,592,607 
 (round to nearest dollar)

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F number(s) of all institutional investement managers with respect to which this report is filed, other than the manager filing this report.


     NONE

FORM 13F INFORMATION TABLE

COLUMN 1COLUMN 2COLUMN 3COLUMN 4COLUMN 5COLUMN 6COLUMN 7COLUMN 8
NAME OF ISSUER TITLE OF CLASS CUSIPFIGI VALUE
(round to nearest dollar)
SHRS OR
PRN AMT
SH /
PRN
PUT /
CALL
INVESTMENT
DISCRETION
OTHER
MANAGER
VOTING AUTHORITY
SOLESHAREDNONE
ABBOTT LABSCOMMON STOCK002824100-2,307,78617,230SH-DFND-17,23000
ABBOTT LABSCOMMON STOCK002824100-11,38585SH-OTR-8500
ABBVIE INCCOMMON STOCK00287Y109-3,547,65615,322SH-DFND-15,32200
ABBVIE INCCOMMON STOCK00287Y109-13,89260SH-OTR-6000
AFLAC INCCOMMON STOCK001055102-3,637,06432,561SH-DFND-32,56100
AFLAC INCCOMMON STOCK001055102-2,79325SH-OTR-2500
ALLIANT ENERGY CORPCOMMON STOCK018802108-424,9536,304SH-DFND-6,30400
ALPHABET INC CL ACOMMON STOCK02079K305-5,679,78823,364SH-DFND-23,36400
ALPHABET INC CL ACOMMON STOCK02079K305-23,09595SH-OTR-9500
AMAZON COM INCCOMMON STOCK023135106-1,227,3965,590SH-DFND-5,59000
AMAZON COM INCCOMMON STOCK023135106-1,0985SH-OTR-500
AMENTUM HOLDINGS INCCOMMON STOCK023939101-459,36119,180SH-DFND-19,18000
AMENTUM HOLDINGS INCCOMMON STOCK023939101-3,616151SH-OTR-15100
APPLE INCCOMMON STOCK037833100-7,929,94231,143SH-DFND-31,14300
APPLE INCCOMMON STOCK037833100-25,463100SH-OTR-10000
AUTOMATIC DATA PROCESSING INCCOMMON STOCK053015103-2,725,7359,287SH-DFND-9,28700
AUTOMATIC DATA PROCESSING INCCOMMON STOCK053015103-11,74040SH-OTR-4000
BERKSHIRE HATHAWAY INC DEL CLCOMMON STOCK084670108-5,279,4007SH-DFND-700
BERKSHIRE HATHAWAY INC DEL CLCOMMON STOCK084670702-6,269,16812,470SH-DFND-12,0800390
BERKSHIRE HATHAWAY INC DEL CLCOMMON STOCK084670702-25,13750SH-OTR-5000
BOOZ ALLEN HAMILTON HOLDING COCOMMON STOCK099502106-2,045,67720,467SH-DFND-20,46700
BOOZ ALLEN HAMILTON HOLDING COCOMMON STOCK099502106-1,99920SH-OTR-2000
BROADCOM INCCOMMON STOCK11135F101-211,142640SH-DFND-64000
CATERPILLAR INCCOMMON STOCK149123101-507,6881,064SH-DFND-1,06400
COCA-COLA COCOMMON STOCK191216100-924,10313,934SH-DFND-13,93400
COCA-COLA COCOMMON STOCK191216100-10,280155SH-OTR-15500
COGNIZANT TECHNOLOGY SOLUTIONSCOMMON STOCK192446102-1,671,51924,922SH-DFND-24,92200
COGNIZANT TECHNOLOGY SOLUTIONSCOMMON STOCK192446102-1,67725SH-OTR-2500
COLGATE PALMOLIVE COCOMMON STOCK194162103-1,290,31216,141SH-DFND-16,14100
COLGATE PALMOLIVE COCOMMON STOCK194162103-7,994100SH-OTR-10000
COMCAST CORP NEW CL ACOMMON STOCK20030N101-1,481,42247,149SH-DFND-47,14900
COMCAST CORP NEW CL ACOMMON STOCK20030N101-2,04265SH-OTR-6500
CUMMINS INCCOMMON STOCK231021106-2,708,2366,412SH-DFND-6,41200
CUMMINS INCCOMMON STOCK231021106-2,1125SH-OTR-500
DANAHER CORPCOMMON STOCK235851102-1,756,7828,861SH-DFND-8,86100
DANAHER CORPCOMMON STOCK235851102-13,87870SH-OTR-7000
DIGITAL RLTY TR INCCOMMON STOCK253868103-2,459,21814,225SH-DFND-14,22500
DIGITAL RLTY TR INCCOMMON STOCK253868103-19,017110SH-OTR-11000
ELECTRONIC ARTS INCCOMMON STOCK285512109-1,888,7199,364SH-DFND-9,36400
ELECTRONIC ARTS INCCOMMON STOCK285512109-6,05130SH-OTR-3000
EXXON MOBIL CORPCOMMON STOCK30231G102-2,980,43426,434SH-DFND-26,43400
EXXON MOBIL CORPCOMMON STOCK30231G102-81,518723SH-OTR-72300
FISERV INCCOMMON STOCK337738108-206,2881,600SH-DFND-1,60000
FISERV INCCOMMON STOCK337738108-12,893100SH-OTR-10000
FORTIVE CORPCOMMON STOCK34959J108-524,68310,710SH-DFND-10,71000
FORTIVE CORPCOMMON STOCK34959J108-3,67475SH-OTR-7500
GENERAL MLS INCCOMMON STOCK370334104-1,859,23836,875SH-DFND-36,87500
GENERAL MLS INCCOMMON STOCK370334104-6,050120SH-OTR-12000
HOME DEPOT INCCOMMON STOCK437076102-2,558,7756,315SH-DFND-6,31500
HOME DEPOT INCCOMMON STOCK437076102-12,15630SH-OTR-3000
ILLINOIS TOOL WKS INCCOMMON STOCK452308109-1,261,8184,839SH-DFND-4,83900
ILLINOIS TOOL WKS INCCOMMON STOCK452308109-10,43040SH-OTR-4000
INTERNATIONAL PAPER COCOMMON STOCK460146103-967,44020,850SH-DFND-20,85000
INTERNATIONAL PAPER COCOMMON STOCK460146103-92820SH-OTR-2000
JACOBS SOLUTIONS INCCOMMON STOCK46982L108-2,193,20114,635SH-DFND-14,63500
JACOBS SOLUTIONS INCCOMMON STOCK46982L108-16,485110SH-OTR-11000
JOHNSON & JOHNSONCOMMON STOCK478160104-2,659,66414,344SH-DFND-14,34400
JOHNSON & JOHNSONCOMMON STOCK478160104-17,61595SH-OTR-9500
JPMORGAN CHASE & COCOMMON STOCK46625H100-2,232,9297,079SH-DFND-7,07900
JPMORGAN CHASE & COCOMMON STOCK46625H100-1,5775SH-OTR-500
KIMBERLY CLARK CORPCOMMON STOCK494368103-905,1957,280SH-DFND-7,28000
KIMBERLY CLARK CORPCOMMON STOCK494368103-1,24310SH-OTR-1000
LAM RESEARCH CORPORATIONCOMMON STOCK512807306-1,888,12414,101SH-DFND-14,10100
LAM RESEARCH CORPORATIONCOMMON STOCK512807306-2,00915SH-OTR-1500
LEIDOS HOLDINGS INCCOMMON STOCK525327102-3,214,21017,010SH-DFND-17,01000
LEIDOS HOLDINGS INCCOMMON STOCK525327102-2,83415SH-OTR-1500
LINDE PLCCOMMON STOCKG54950103-1,896,6753,993SH-DFND-3,99300
LINDE PLCCOMMON STOCKG54950103-14,25030SH-OTR-3000
LOCKHEED MARTIN CORPCOMMON STOCK539830109-562,1101,126SH-DFND-1,12600
MERCK & CO INC NEWCOMMON STOCK58933Y105-285,5303,402SH-DFND-3,40200
META PLATFORMS, INCCOMMON STOCK30303M102-455,316620SH-DFND-62000
MICROSOFT CORPCOMMON STOCK594918104-8,501,11316,413SH-DFND-16,41300
MICROSOFT CORPCOMMON STOCK594918104-23,30845SH-OTR-4500
NELNET INC CL ACOMMON STOCK64031N108-263,2982,100SH-DFND-2,10000
NIKE INC CL BCOMMON STOCK654106103-2,199,91231,549SH-DFND-31,54900
NIKE INC CL BCOMMON STOCK654106103-17,084245SH-OTR-24500
NUCOR CORPCOMMON STOCK670346105-1,905,09414,067SH-DFND-14,06700
NUCOR CORPCOMMON STOCK670346105-1,35410SH-OTR-1000
NVIDIA CORPCOMMON STOCK67066G104-450,5912,415SH-DFND-2,41500
OLD REP INTL CORPCOMMON STOCK680223104-393,4859,265SH-DFND-9,26500
ORACLE CORPCOMMON STOCK68389X105-6,493,55023,089SH-DFND-23,08900
ORACLE CORPCOMMON STOCK68389X105-32,343115SH-OTR-11500
PAYPAL HOLDINGS INCCOMMON STOCK70450Y103-1,436,55921,422SH-DFND-21,42200
PAYPAL HOLDINGS INCCOMMON STOCK70450Y103-2,01230SH-OTR-3000
PEPSICO INCCOMMON STOCK713448108-1,276,4599,089SH-DFND-9,08900
PEPSICO INCCOMMON STOCK713448108-11,23580SH-OTR-8000
PRUDENTIAL FINL INCCOMMON STOCK744320102-1,274,96512,290SH-DFND-12,29000
PRUDENTIAL FINL INCCOMMON STOCK744320102-1,55615SH-OTR-1500
QUALCOMM INCCOMMON STOCK747525103-3,211,74619,306SH-DFND-19,30600
QUALCOMM INCCOMMON STOCK747525103-13,30980SH-OTR-8000
REALTY INCOME CORPCOMMON STOCK756109104-2,180,23335,865SH-DFND-35,86500
REALTY INCOME CORPCOMMON STOCK756109104-2,43240SH-OTR-4000
RTX CORPCOMMON STOCK75513E101-1,984,86811,862SH-DFND-11,86200
RTX CORPCOMMON STOCK75513E101-11,71370SH-OTR-7000
SCHLUMBERGER LTDCOMMON STOCK806857108-1,119,74032,579SH-DFND-32,57900
SCHLUMBERGER LTDCOMMON STOCK806857108-1,03130SH-OTR-3000
SNAP-ON INCCOMMON STOCK833034101-1,355,9723,913SH-DFND-3,91300
SNAP-ON INCCOMMON STOCK833034101-1,7335SH-OTR-500
STATE STR CORPCOMMON STOCK857477103-2,383,65720,547SH-DFND-20,54700
STATE STR CORPCOMMON STOCK857477103-16,241140SH-OTR-14000
T ROWE PRICE GROUP INCCOMMON STOCK74144T108-1,672,92916,299SH-DFND-16,29900
T ROWE PRICE GROUP INCCOMMON STOCK74144T108-8,21180SH-OTR-8000
TE CONNECTIVITY PLCCOMMON STOCKG87052109-3,153,54814,365SH-DFND-14,36500
TE CONNECTIVITY PLCCOMMON STOCKG87052109-5,48825SH-OTR-2500
THERMO FISHER SCIENTIFIC INC.COMMON STOCK883556102-3,140,0196,474SH-DFND-6,47400
THERMO FISHER SCIENTIFIC INC.COMMON STOCK883556102-19,40140SH-OTR-4000
TIMKEN COCOMMON STOCK887389104-1,131,45915,050SH-DFND-15,05000
TIMKEN COCOMMON STOCK887389104-11,653155SH-OTR-15500
TYSON FOODS INCCOMMON STOCK902494103-352,2986,488SH-DFND-6,48800
UNION PAC CORPCOMMON STOCK907818108-1,847,4687,816SH-DFND-7,81600
UNION PAC CORPCOMMON STOCK907818108-178,459755SH-OTR-75500
VERALTO CORPORATIONCOMMON STOCK92338C103-1,675,58915,717SH-DFND-15,71700
VERALTO CORPORATIONCOMMON STOCK92338C103-4,05138SH-OTR-3800
VERIZON COMMUNICATIONS INCCOMMON STOCK92343V104-2,072,02347,145SH-DFND-47,14500
VERIZON COMMUNICATIONS INCCOMMON STOCK92343V104-7,472170SH-OTR-17000
VISA INC - CLASS ACOMMON STOCK92826C839-242,721711SH-DFND-71100
WABTEC CORPCOMMON STOCK929740108-1,657,6868,269SH-DFND-8,26900
WABTEC CORPCOMMON STOCK929740108-1,0025SH-OTR-500
WALMART INCCOMMON STOCK931142103-5,351,90651,930SH-DFND-51,93000
WALMART INCCOMMON STOCK931142103-15,974155SH-OTR-15500
PIMCO INTERMEDIATE MUNI BOND EOTHER72201R866-564,62410,800SH-DFND-10,80000
PIMCO ENHANCED SHORT MATURITYOTHER72201R833-1,043,23110,398SH-DFND-10,39800
SPDR BLOOMBERG HIGH YIELD BONDOTHER78468R622-307,0033,133SH-DFND-3,13300
VANGUARD TOTAL BOND MARKET ETFOTHER921937835-762,36710,251SH-DFND-10,25100
VANGUARD FTSE DEVELOPED MKTS EOTHER921943858-2,096,36134,986SH-DFND-34,98600
VANGUARD FTSE EMERGING MARKETSOTHER922042858-296,3655,470SH-DFND-5,47000
ISHARES BIOTECHNOLOGY ETFOTHER464287556-1,396,6359,674SH-DFND-9,67400
ISHARES BIOTECHNOLOGY ETFOTHER464287556-12,27185SH-OTR-8500
ISHARES CORE S&P 500 ETFOTHER464287200-308,547461SH-DFND-46100
ISHARES DOW JONES SELECT DIV IOTHER464287168-235,1761,655SH-DFND-1,65500
ISHARES DOW JONES SELECT DIV IOTHER464287168-35,525250SH-OTR-25000
JP MORGAN EQUITY PREMIUM ETFOTHER46641Q332-1,350,13023,645SH-DFND-23,64500
SCHWAB US DVD EQUITY ETFOTHER808524797-302,21111,070SH-DFND-11,07000
SPDR S&P 500 ETF TRUSTOTHER78462F103-353,075530SH-DFND-53000
TECHNOLOGY SELECT SECT SPDROTHER81369Y803-281,8601,000SH-DFND-1,00000
VANGUARD GROWTH ETFOTHER922908736-584,6451,219SH-DFND-1,21900
VANGUARD REAL ESTATE ETFOTHER922908553-209,2602,289SH-DFND-2,28900
VANGUARD S&P 500 ETFOTHER922908363-255,362417SH-DFND-41700
VANGUARD SMALL-CAP ETFOTHER922908751-238,006936SH-DFND-93600
VANGUARD VALUE ETFOTHER922908744-392,3752,104SH-DFND-2,10400