Pioneer Bancorp closed the week at $14.36, up 0.8% Friday but flat weekly as short interest surged 12.8% and borrowing costs eased. Insider selling totaled $79k over 90 days.
PBFS closed at $14.36 on April 24, gaining 0.77% on the day. The week's final price was essentially unchanged from Monday, down 0.14%. Over the past month the shares advanced 4.4%.
Short interest stands at 107,124 shares, 0.44% of the free float. That marks a 6.8% jump from the prior day and a 12.8% climb over the past week. The one-month increase is 12.4%. The current level is the highest since April 9, when shorts briefly spiked to 111,336 shares.
Cost to borrow fell to 0.67% on April 23, down 15.4% week-over-week. A month ago borrowing cost stood at 1.09%. The recent peak was 3.68% on March 25. Utilisation sits at 2.32%, well below the 52-week high of 5.12% recorded on April 9.
Days to cover reached 9.54 as of the April 15 FINRA report. The ORTEX short score of 40.9 places PBFS at the 20th percentile among US names — typical short activity.
M3F, Inc. lifted its stake by 149,773 shares to 2.03 million as of December 31, representing 8.3% of shares outstanding. Vanguard added 16,857 shares in Q1 2026, now holding 652,470 shares (2.7%). BlackRock increased by 4,723 shares to 615,347 (2.5%). AllianceBernstein added 6,779 shares to 488,256 (2.0%).
Renaissance Technologies trimmed its position by 13,781 shares to 73,979. State Street reduced by 680 shares to 180,702. The majority holder remains Pioneer Bancorp MHC with 14.3 million shares, 58.5% of the company.
Executive Vice President Jesse A. Tomczak sold 2,044 shares on December 12 in ten separate transactions at prices between $14.70 and $14.80. Total value was $30,116. The 90-day net insider position shows selling of 5,395 shares valued at $79,244.
The December trades carry low significance scores of 3 on the ORTEX scale. Tomczak's sales represented 0.17% of the company at the time. No insider purchases were recorded over the period.
Pioneer Bancorp is scheduled to report earnings on May 19 at 1:00 PM ET. The most recent quarterly print was January 30. Prior reports in 2025 occurred in November and July. No analyst coverage is available for the regional bank.
Short interest has trended upward over the past two weeks, reaching levels last seen in early April. Borrowing costs have eased from late-March extremes but remain above year-low levels. The sector score of 78 indicates the stock ranks well within regional banks.
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