Security Snapshot

AUBURN NATIONAL BANCORPORATION, INC - Common Stock, par value $0.01 (AUBN) Institutional Ownership

CUSIP: 050473107

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

24

Shares (Excl. Options)

397,933

Price

$23.86

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
-599
Value change
-$132,731
Number of holders
24
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
3,489,417
SEC-reported price per share
$25.15
Insider filing price
$25.15
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • AUBN - AUBURN NATIONAL BANCORPORATION, INC - Common Stock, par value $0.01 is tracked under CUSIP 050473107.
  • 24 institutions reported positions in Q1 2026.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 23 to 24 between Q4 2025 and Q1 2026.
  • SEC-reported value moved from $11,470,242 to $9,496,429.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 24 institutions filings for Q1 2026.

Open SEC evidence

Security key

050473107

Latest holder period

Q1 2026

13F holders

24

13D/G owners

3

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
3
Security
AUBN
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
MAY ANNE M 8.3% $6,939,018 288,885 Anne M. May 11 Sep 2025
Spencer Sandra J. 7.4% $6,202,300 258,214 Sandra J. Spencer 11 Sep 2025
Spencer Bruce Steven 7.2% $6,034,737 251,238 Bruce Steven Spencer 11 Sep 2025

As of 31 Mar 2026, 24 institutional investors reported holding 397,933 shares of AUBURN NATIONAL BANCORPORATION, INC - Common Stock, par value $0.01 (AUBN). This represents 11% of the company’s total 3,489,417 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
11%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
LPL Financial LLC 1.4% 50,573 -1.9% 0% $1,206,921
Truffle Hound Capital, LLC 1.4% 50,000 0% 0.73% $1,193,250
DIMENSIONAL FUND ADVISORS LP 1.2% 41,847 0% 0% $998,678
VANGUARD CAPITAL MANAGEMENT LLC 1.1% 39,562 0% 0% $944,147
BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.93% 32,281 +4.7% 0.02% $770,386
Aptus Capital Advisors, LLC 0.78% 27,290 0% 0.01% $651,276
GEODE CAPITAL MANAGEMENT, LLC 0.72% 25,229 -1.6% 0% $602,239
TRUIST FINANCIAL CORP 0.56% 19,553 0% 0% $466,632
CAPTRUST FINANCIAL ADVISORS 0.55% 19,188 +113% 0% $457,924
Empowered Funds, LLC 0.48% 16,781 0% $400,479
RENAISSANCE TECHNOLOGIES LLC 0.47% 16,509 0% 0% $393,987
VANGUARD FIDUCIARY TRUST CO 0.36% 12,669 0% 0% $302,346
JAMISON PRIVATE WEALTH MANAGEMENT, INC. 0.36% 12,514 +0.03% 0.04% $298,650
RBF Capital, LLC 0.29% 10,000 0% 0.01% $238,650
M3F, Inc. 0.26% 9,151 0.05% $218,000
BlackRock, Inc. 0.23% 7,920 +17% 0% $189,011
MORGAN STANLEY 0.11% 3,875 0% 0% $92,477
OSAIC HOLDINGS, INC. 0.04% 1,301 0% 0% $31,045
Vanguard Global Advisers, LLC 0.03% 964 0% 0% $23,006
EverSource Wealth Advisors, LLC 0.02% 540 +100% 0% $12,888
Blue Trust, Inc. 0% 98 0% 0% $2,339
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0% 61 0% $1,456
JPMORGAN CHASE & CO 0% 14 0% 0% $332
UBS Group AG 0% 13 -19% 0% $310
Farther Finance Advisors, LLC 0% 0 -100% $0

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 397,933 $9,496,429 -$132,731 $23.86 24
2025 Q4 425,606 $11,470,242 +$239,873 $26.95 23
2025 Q3 432,346 $11,362,187 +$1,442,522 $26.62 24
2025 Q2 376,048 $9,621,354 +$781,265 $25.00 25
2025 Q1 344,912 $7,447,134 -$221,706 $21.59 23
2024 Q4 350,911 $8,243,072 +$990,084 $23.49 24
2024 Q3 297,182 $6,805,613 +$762,344 $22.90 20
2024 Q2 264,116 $4,831,008 -$534,896 $18.29 20
2024 Q1 290,485 $5,596,434 -$215,746 $19.28 20
2023 Q4 299,507 $6,373,628 +$254,258 $21.28 22
2023 Q3 287,559 $6,147,991 +$632,450 $21.40 23
2023 Q2 244,343 $5,215,196 -$448,331 $21.26 20
2023 Q1 265,778 $6,023,397 +$25,683 $22.66 20
2022 Q4 264,672 $6,104,699 -$48,346 $23.00 21
2022 Q3 282,002 $6,474,987 -$125,630 $23.02 18
2022 Q2 269,474 $7,286,027 -$37,808 $27.02 21
2022 Q1 267,839 $8,877,429 +$256,512 $33.18 22
2021 Q4 260,332 $8,353,420 -$586,342 $32.30 24
2021 Q3 278,685 $9,440,442 -$1,177,808 $33.92 27
2021 Q2 312,387 $11,081,461 -$6,213,695 $35.48 31
2021 Q1 481,406 $18,473,130 -$52,363 $38.37 33
2020 Q4 480,793 $20,044,721 +$1,046,970 $41.69 37
2020 Q3 455,991 $16,548,073 -$1,090,367 $36.28 39
2020 Q2 472,953 $26,997,024 +$8,571,972 $57.09 43
2020 Q1 358,351 $14,602,346 +$602,726 $41.71 26
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