DOSSIER · 13F Holders · Q1 2026
PBFS

PIONEER BANCORP INC MD

83 institutions still hold PIONEER BANCORP INC MD as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 723561106·83 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$87M
visible holders
Holders
83
filers reporting
Concentration
33.30%
M3F, Inc. #1
top holder share
AI Holders Summary · Q1 2026

83 institutions reported PBFS in Q1 2026. M3F, Inc. leads at 33.3% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
M3F, Inc.
CIK 0001511291
$29M2.1M7.15%Q1 2026
02
BlackRock, Inc.
CIK 0002012383
$11M631K0.00%Q2 2026
03
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$8M484K0.00%Q2 2026
04
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$7M509K0.00%Q1 2026
05
Private Capital Management, LLC
CIK 0001588456
$6M367K0.55%Q2 2026
06
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$5M266K0.00%Q2 2026
07
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$4M225K0.00%Q2 2026
08
STATE STREET CORP
CIK 0000093751
$3M180K0.00%Q2 2026
09
First Pacific Advisors, LP
CIK 0001377581
$3M167K0.04%Q2 2026
10
NORTHERN TRUST CORP
CIK 0000073124· Index
$1M83K0.00%Q2 2026
11
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$1M73K0.00%Q2 2026
12
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 0001107261
$1M72K0.02%Q2 2026
13
Empowered Funds, LLC
CIK 0001592828
$1M72K0.01%Q2 2026
14
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$1M71K0.00%Q2 2026
15
Vanguard Portfolio Management
CIK 0002100121· Index
$1M71K0.00%Q2 2026
16
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$900K53K0.00%Q2 2026
17
Gator Capital Management, LLC
CIK 0001570284
$775K45K0.16%Q2 2026
18
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$725K42K0.00%Q2 2026
19
FLYWHEEL PRIVATE WEALTH LLC
CIK 0002029680
$683K40K0.34%Q2 2026
20
GOLDMAN SACHS GROUP INC
CIK 0000886982
$654K38K0.00%Q2 2026
Page 1 of 5
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Insiders at PIONEER BANCORP INC MD
Keegan Michael T.Signor ThomasHollister Susan MTomczak JesseRatsep Thomas E.Arnold KelliSeifert CharlesMahoney Shaun