FIRST BUSINESS FINANCIAL SER (FBIZ) Institutional Ownership Changes & 13F Activity
FIRST BUSINESS FINANCIAL SER (FBIZ) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC.
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2026 | Renaissance Technologies LLC | Sell | -5,800 | 122,465 | $6,604,537 |
| Q4 2025 | Renaissance Technologies LLC | Sell | -13,300 | 128,265 | $6,964,790 |
| Q3 2025 | Renaissance Technologies LLC | Sell | -9,100 | 141,565 | $7,256,622 |
| Q2 2025 | Renaissance Technologies LLC | Buy | 8,400 | 150,665 | $7,632,689 |
| Q1 2025 | Renaissance Technologies LLC | Sell | -5,600 | 142,265 | $6,707,795 |
| Q4 2024 | Renaissance Technologies LLC | Sell | -13,900 | 147,865 | $6,844,671 |
| Q3 2024 | Renaissance Technologies LLC | Buy | 8,000 | 161,765 | $7,374,866 |
| Q2 2024 | Renaissance Technologies LLC | Buy | 300 | 153,765 | $5,687,767 |
| Q1 2024 | Renaissance Technologies LLC | Buy | 1,388 | 153,465 | $5,755 |
| Q4 2023 | Renaissance Technologies LLC | Sell | -888 | 152,077 | $6,098 |
| Q3 2023 | Renaissance Technologies LLC | Sell | -1,500 | 152,965 | $4,590 |
| Q2 2023 | Renaissance Technologies LLC | Sell | -16,000 | 154,465 | $4,555 |
| Q1 2023 | Renaissance Technologies LLC | Sell | -4,300 | 170,465 | $5,201 |
| Q4 2022 | Renaissance Technologies LLC | Buy | 5,848 | 174,765 | $6,388 |
| Q3 2022 | Renaissance Technologies LLC | Sell | -37,148 | 168,917 | $5,458 |
| Q2 2022 | Renaissance Technologies LLC | Sell | -9,600 | 206,065 | $6,427 |
| Q1 2022 | Renaissance Technologies LLC | Sell | -10,800 | 215,665 | $7,076 |
| Q4 2021 | Renaissance Technologies LLC | Sell | -20,641 | 226,465 | $6,606 |
| Q3 2021 | Renaissance Technologies LLC | Sell | -22,859 | 247,106 | $7,094 |
| Q2 2021 | Renaissance Technologies LLC | Buy | 48,600 | 269,965 | $7,308 |
| Q1 2021 | Renaissance Technologies LLC | Sell | -6,600 | 221,365 | $5,474 |
| Q4 2020 | Renaissance Technologies LLC | Buy | 8,300 | 227,965 | $4,197 |
| Q3 2020 | Renaissance Technologies LLC | Sell | -24,700 | 219,665 | $3,139 |
| Q2 2020 | Renaissance Technologies LLC | Sell | -32,315 | 244,365 | $4,020 |
| Q1 2020 | Renaissance Technologies LLC | Buy | 3,475 | 276,680 | $4,289 |
| Q4 2019 | Renaissance Technologies LLC | Buy | 19,400 | 273,205 | $7,193 |
| Q3 2019 | Renaissance Technologies LLC | Buy | 28,600 | 253,805 | $6,112 |
| Q2 2019 | Renaissance Technologies LLC | Buy | 15,305 | 225,205 | $5,292 |
| Q1 2019 | Renaissance Technologies LLC | Buy | 25,000 | 209,900 | $4,202 |
| Q4 2018 | Renaissance Technologies LLC | Sell | -23,700 | 184,900 | $3,607 |
Frequently asked questions about FBIZ activity
Which institutional owners are buying FBIZ?
Institutional owners buying FBIZ include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in FBIZ activity?
"Buy" means an investor increased their reported position in FBIZ compared to the prior reporting period. This reflects growing exposure to FIRST BUSINESS FINANCIAL SER (FBIZ) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in FBIZ increasing?
Institutional interest in FBIZ can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related FBIZ insights
- FBIZ Overview
- FBIZ Institutions
- FBIZ Institutional Ownership
- FBIZ Top Shareholders
- FBIZ Institutional Buying
- FBIZ Institutional Selling
- FBIZ Ownership Changes
- FBIZ Insiders
- Financial Services Sector Institutional Ownership
- Financial Services Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Financial Services Stocks By Institutional Owners in Q1 2026
- Most Sold Financial Services Stocks By Institutional Owners in Q1 2026
- Top Institutional Investor Stock Rankings