SEC Filing Analysis: Sunflower Bank, N.A.

Executive Summary

• Trading Significance: Medium
• Key Takeaway: Sunflower Bank, N.A. filed a 13F-HR report disclosing $411.14 million in assets under management across 212 positions as of September 30, 2025. The portfolio shows a strong preference for diversified, low-cost ETFs, indicating a conservative, broad-market investment strategy.
• Market Impact: As this is a standard quarterly holdings report from a regional bank, immediate market impact is expected to be minimal. However, it provides valuable insight into the investment posture of a mid-sized financial institution, showing a focus on capital preservation and broad market exposure rather than concentrated, high-conviction bets.

Filer Information

Field	Value
Filer Name	Sunflower Bank, N.A.
CIK	0001818759
Ticker Symbol	null
Business Address	8117 PRESTON ROAD #220, DALLAS, TX, 75225

Filing Details

Field	Value
Form Type	13F-HR
Filing Date	2025-10-10
Period of Report	2025-09-30
Total Holdings Value	$411,136,556
Total Number of Holdings	212
Accession Number	0001818759-25-000009

Portfolio Analysis

This 13F filing details the bank's managed holdings and is not indicative of a single insider transaction. The analysis focuses on the overall portfolio composition.

Top 5 Holdings by Value (Approximate)

1. Vanguard Large-Cap ETF (VV): ~$64.7 million
2. iShares Core U.S. Aggregate Bond ETF (AGG): ~$55.6 million
3. Vanguard Tax-Exempt Bond ETF (VTEB): ~$44.9 million
4. Vanguard Total International Bond ETF (BNDX): ~$32.4 million
5. iShares Core S&P Small-Cap ETF (IJR): ~$18.0 million

Investment Strategy Insights

• Diversification: The portfolio is heavily diversified across numerous asset classes, with a significant concentration in broad-market equity and bond ETFs.
• Risk Aversion: The substantial weight in aggregate bond funds, municipal bond funds, and large-cap ETFs points to a relatively conservative, risk-averse strategy aimed at wealth preservation and steady growth.
• Passive Management: The dominance of index funds from Vanguard and iShares suggests a preference for passive, low-cost investment vehicles over active stock picking.

Contextual Analysis

Filing Significance

Form 13F is a mandatory quarterly report for institutional investment managers with at least $100 million in assets under management. It provides a snapshot of the institution's long positions in publicly traded securities at the end of the calendar quarter.

Limitations

• Backward-Looking: The data is as of September 30, 2025, and may not reflect the current portfolio.
• Incomplete Picture: 13F filings do not disclose short positions, cash holdings, or non-U.S. securities that are not traded on U.S. exchanges.

Risk Assessment

Risk Level: Low

Analysis

• The information presented is a standard disclosure and does not signal any unusual or high-risk activity. It is a historical record of holdings.
• The primary use for this data is for investors and analysts to understand the positioning and strategy of institutional managers like Sunflower Bank.
• Misinterpreting this filing as a real-time trading signal is a significant risk. The positions could have changed substantially between the reporting date and the filing date.

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IMPORTANT DISCLAIMER: This analysis is for informational purposes only and is not intended as investment advice. The information presented is based on publicly available SEC filings and should not be construed as a recommendation to buy, sell, or hold any securities. Past performance does not guarantee future results. All investments carry risk, including the potential loss of principal. Please consult with a qualified financial advisor before making any investment decisions.

Analysis generated on 2025-10-10 | Data source: SEC EDGAR