MFSI · Insider trading · 13F holders · Congress trades
Mfs Active (MFSI)
Who is buying and selling MFSI: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 15
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
MFSI at a glance
- No open-market insider purchases or sales of MFSI were filed in the last 90 days.
- 15 13F filers hold MFSI among their 50 largest positions, worth $245.5M combined. The biggest bets by portfolio weight are Old Second National Bank of Aurora (8.9%), Baron Wealth Management LLC (8.3%) and River Street Advisors LLC (7.4%). In their latest 13Fs, 0 managers opened a new position and 7 added to one.
- No member of Congress has disclosed a trade in MFSI.
MFSI insider trading
No open-market insider purchases or sales of MFSI were filed in the last 90 days.
Who owns MFSI? Hedge funds and superinvestors
15 13F filers hold MFSI among their 50 largest positions, worth $245.5M combined. The biggest bets by portfolio weight are Old Second National Bank of Aurora (8.9%), Baron Wealth Management LLC (8.3%) and River Street Advisors LLC (7.4%). In their latest 13Fs, 0 managers opened a new position and 7 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Old Second National Bank of AuroraBank & trust | 8.9% | $44.4M | 1,360,534 | -1.0% shares | Q3 2026 |
| Kestra Private Wealth Services, LLCWealth manager | 0.4% | $38.6M | 1,187,275 | +13.1% shares | Q2 2026 |
| Baron Wealth Management LLCWealth manager | 8.3% | $32.4M | 992,457 | -0.1% shares | Q3 2026 |
| Capital Analysts, LLCWealth manager | 0.7% | $31.2M | 960,188 | +11.1% shares | Q2 2026 |
| River Street Advisors LLCWealth manager | 7.4% | $23.9M | 732,388 | +2.4% shares | Q3 2026 |
| CMH Wealth Management LLCWealth manager | 3.5% | $23.1M | 705,870 | +6.4% shares | Q3 2026 |
| Soltis Investment Advisors LLCWealth manager | 0.8% | $18.1M | 555,377 | +8.0% shares | Q3 2026 |
| Spectrum Wealth Advisory Group, LLCWealth manager | 3.5% | $12.6M | 384,312 | -35.1% shares | Q3 2026 |
| Jeter Robert S IIInvestment manager | 5.7% | $8.6M | 264,523 | +5.9% shares | Q3 2026 |
| Integrity Financial Corp /WAWealth manager | 2.7% | $5.7M | 176,024 | +10.6% shares | Q2 2026 |
| Greykasell Wealth Strategies, Inc.Wealth manager | 1.0% | $2.8M | 85,859 | +11.8% shares | Q2 2026 |
| Mars Jewett Financial Group, Inc.Wealth manager | 0.4% | $2.2M | 67,591 | -16.5% shares | Q2 2026 |
| Boyum Wealth Architects LLCWealth manager | 0.4% | $1.0M | 31,207 | -6.4% shares | Q3 2026 |
| Flaharty Asset Management, LLCWealth manager | 0.9% | $596K | 18,224 | -91.3% shares | Q2 2026 |
| Walleye Partners, LLCWealth manager | 0.3% | $268K | 8,200 | +0.0% shares | Q3 2026 |
Each manager counts with its latest 13F (Q3 2026: 9, Q2 2026: 6). Screen MFSI in the grand portfolio →
MFSI stock trades by members of Congress
No member of Congress has disclosed a trade in MFSI.
MFSI questions and answers
Are insiders buying MFSI stock?
No open-market insider purchases or sales of MFSI were filed in the last 90 days.
Which hedge funds own MFSI?
15 13F filers hold MFSI among their 50 largest positions, worth $245.5M combined. The biggest bets by portfolio weight are Old Second National Bank of Aurora (8.9%), Baron Wealth Management LLC (8.3%) and River Street Advisors LLC (7.4%). In their latest 13Fs, 0 managers opened a new position and 7 added to one.
Has Congress traded MFSI?
No member of Congress has disclosed a trade in MFSI.
Who is the largest holder of MFSI?
Among 13F filers, Old Second National Bank of Aurora reports the largest MFSI position, $44.4M (1,360,534 shares) in its Q3 2026 13F. The biggest bet by portfolio weight is Old Second National Bank of Aurora's: 8.9% of its portfolio.
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