Pioneer Bancorp, Inc. (PBFS) Ownership

NASDAQ: PBFSTop holders, insider trades and short interest.

PBFS ownership summary

as of October 18, 2026
Institutions
23.1%
of shares outstanding
Insiders
59.38%
of shares outstanding
Shares outstanding
24.2M
Float
7.6M
shares available to trade
Short interest
1.34%
127K shares short
Days to cover
7.26
short interest down 13.2% vs prior month
  • Institutions 23.11%
  • Insiders 59.38%
  • Other investors 17.51%

PBFS top institutional holders

20 largest
Pioneer Bancorp, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1M3F, Inc.7.54%1.8M$32.0M−250,000 (−12.1%)June 30, 2026
2BlackRock Inc2.61%631K$11.1M+29,010 (+4.8%)June 30, 2026
3AllianceBernstein L.P.2.16%523K$9.2M+14,033 (+2.8%)June 30, 2026
4Vanguard Capital Management, LLC2.00%484K$8.5M−41,613 (−7.9%)June 30, 2026
5Private Capital Management, LLC1.52%367K$6.4M+11,935 (+3.4%)June 30, 2026
6Geode Capital Management, LLC1.10%266K$4.7M+32,894 (+14.1%)June 30, 2026
7Dimensional Fund Advisors, Inc.0.93%225K$4.0M+7,163 (+3.3%)June 30, 2026
8State Street Corp0.75%180K$3.2M−1,540 (−0.8%)June 30, 2026
9First Pacific Advisors, LP0.69%167K$2.9M—June 30, 2026
10Northern Trust Corp0.34%83K$1.5M+4,302 (+5.4%)June 30, 2026
11Renaissance Technologies Corp0.30%73K$1.3M+3,200 (+4.6%)June 30, 2026
12Bridgeway Capital Management, LLC0.30%72K$1.3M−3,000 (−4.0%)June 30, 2026
13Empowered Funds, LLC0.30%72K$1.3M−3,000 (−4.0%)June 30, 2026
14Vanguard Fiduciary Trust Co0.29%71K$1.3M−6,209 (−8.0%)June 30, 2026
15Vanguard Portfolio Management, LLC0.29%71K$1.2M+7,394 (+11.6%)June 30, 2026
16Arrowstreet Capital Limited Partnership0.22%53K$927,169—June 30, 2026
17Gator Capital Management, LLC0.19%45K$798,132+955 (+2.1%)June 30, 2026
18AQR Capital Management LLC0.18%42K$746,429+4,737 (+12.6%)June 30, 2026
19FLYWHEEL PRIVATE WEALTH LLC0.17%40K$703,200—June 30, 2026
20The Goldman Sachs Group Inc0.16%38K$673,929−14,534 (−27.5%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 10 holders added 116K shares and 7 cut 320K.

PBFS top mutual fund and ETF holders

20 largest
Pioneer Bancorp, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest1.45%350K$6.2M—August 31, 2026
2iShares Russell 2000 ETF1.17%283K$5.0M−3,264 (−1.1%)September 30, 2026
3Fidelity Small Cap Index0.46%111K$2.0M−137 (−0.1%)July 31, 2026
4iShares Russell 2000 Value ETF0.42%102K$1.8M+154 (+0.2%)September 30, 2026
5EA Bridgeway Omni Small-Cap Value ETF0.30%72K$1.3M—September 30, 2026
6Vanguard Russell 2000 ETF0.25%61K$1.1M+636 (+1.0%)September 30, 2026
7Private Capital Management Value I0.24%57K$1.0M—June 30, 2026
8Fidelity Extended Market Index0.21%50K$883,834−270 (−0.5%)August 31, 2026
9Dimensional US Core Equity 2 ETF0.14%34K$597,650—September 30, 2026
10iShares Micro-Cap ETF0.14%34K$593,132−233 (−0.7%)September 30, 2026
11DFA US Targeted Value I0.13%33K$571,596+1,835 (+6.0%)August 31, 2026
12DFA US Micro Cap I0.13%32K$568,678—August 31, 2026
13DFA US Core Equity 2 I0.13%32K$563,439—August 31, 2026
14Schwab Small Cap Index0.11%26K$460,227—August 31, 2026
15iShares Russell 2000 Small-Cap Idx Instl0.08%20K$359,054—August 31, 2026
16Dimensional US Targeted Value ETF0.08%20K$358,403—September 30, 2026
17Goldman Sachs Absolute Ret Trckr Instl0.08%19K$342,722+2,736 (+16.3%)June 30, 2026
18Fidelity Total Market Index0.08%18K$319,833—August 31, 2026
19Fidelity Series Total Market Index0.07%17K$292,355+1,509 (+10.0%)August 31, 2026
20Fidelity Nasdaq Composite Index0.06%15K$265,388—August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

PBFS insider transactions

latest 1
Pioneer Bancorp, Inc. insider transactions
DateNameTransactionPriceSharesValue
2025-12-12Jesse TomczakSell$14.695,395$79,253

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

PBFS shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns PBFS

Institutional investors own 23.1% of Pioneer Bancorp's shares and insiders 59.38%. The largest holder is M3F, Inc. with 7.54% of the shares (1.8M), as of June 30, 2026. Among the top 20 institutions, 10 added shares and 7 reduced their stake in the latest filings. Short interest is 1.34% of the float, or 7.26 days of average trading volume. The share count rose 117.5% since 2017.

Related: PBFS key metrics. See the PBFS stock overview for the latest quote and news.

PBFS ownership FAQ

Who owns the most Pioneer Bancorp stock?

The largest shareholders of Pioneer Bancorp are M3F, Inc. (7.54%), BlackRock Inc (2.61%), AllianceBernstein L.P. (2.16%), Vanguard Capital Management, LLC (2.00%), Private Capital Management, LLC (1.52%).

What percentage of Pioneer Bancorp is owned by institutions?

Institutions hold 23.1% of Pioneer Bancorp's shares outstanding; insiders hold 59.38%.

Which funds own Pioneer Bancorp?

The largest fund holders of Pioneer Bancorp are Vanguard MStar Total Stk Mkt Idx Invest (1.45%), iShares Russell 2000 ETF (1.17%), Fidelity Small Cap Index (0.46%), iShares Russell 2000 Value ETF (0.42%), EA Bridgeway Omni Small-Cap Value ETF (0.30%).

What is Pioneer Bancorp's short interest?

127K shares of Pioneer Bancorp were sold short, 1.34% of the float; at the average daily volume it would take 7.26 days to cover.

Are insiders buying or selling Pioneer Bancorp?

Of the latest 1 reported insider transactions in Pioneer Bancorp (since December 12, 2025), 0 were purchases and 1 were sales.

How many shares of Pioneer Bancorp are outstanding?

Pioneer Bancorp has 24.2M shares outstanding, of which 7.6M are in the public float.

Banks - Regional: ownership