Security Snapshot

POTBELLY CORP - Common Stock, $0.01 par value (PBPB) Institutional Ownership

CUSIP: 73754Y100

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

13F reference period

n/a

Institutions Reporting

Shares (Excl. Options)

n/a

Price

$17.12

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.

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Shares outstanding
30,228,719
SEC-reported price per share
$17.12
Insider filing price
$17.12
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • PBPB - POTBELLY CORP - Common Stock, $0.01 par value is tracked under CUSIP 73754Y100.
  • 13F reference-period holder data is not available.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder data for the Q2 2026 reference period is not available.
  • Available periods remain in the history table; they do not substitute for the headline period.

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 Schedule 13D/G

Ownership context comes from Schedule 13D/G and available holder history for this CUSIP.

Open SEC evidence

Security key

73754Y100

13F reference period

n/a

13F holders

13D/G owners

4

CIK / CUSIP context first

13D/G owners

Significant owners

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

Rows
4
Security
PBPB
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Nierenberg Investment Management Company, Inc. 10% $24,976,273 3,087,302 David Nierenberg 14 Mar 2025
Portolan Capital Management, LLC 5.5% $14,542,361 1,667,702 Portolan Capital Management, LLC 20 Jun 2025
GLAZER CAPITAL, LLC 5.3% $20,096,415 1,605,145 Glazer Capital, LLC 22 Sep 2025
RENAISSANCE TECHNOLOGIES LLC 4% $9,722,999 1,201,854 Renaissance Technologies LLC 30 Sep 2024

Quarter history

Institutional holders across reporting periods

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

Periods
49
Headline period
n/a
Rows shown
1-25 of 49
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 0 $0 -$16,281 $17.12 0
2025 Q4 951 $16,281 -$440,131,400 $17.12 1
2025 Q3 25,854,488 $440,552,202 +$77,705,128 $17.04 131
2025 Q2 23,450,131 $287,268,431 +$15,442,217 $12.25 124
2025 Q1 22,206,628 $211,188,774 +$2,604,100 $9.51 115
2024 Q4 22,101,186 $208,190,733 +$4,474,096 $9.42 114
2024 Q3 21,067,532 $175,704,591 +$1,011,823 $8.34 107
2024 Q2 20,874,195 $167,619,060 -$4,202,770 $8.03 108
2024 Q1 20,982,167 $254,096,272 +$27,480,628 $12.11 117
2023 Q4 18,778,904 $195,676,724 +$8,597,360 $10.42 89
2023 Q3 18,063,408 $140,891,845 -$1,413,411 $7.80 91
2023 Q2 18,460,496 $162,081,360 +$13,819,847 $8.78 86
2023 Q1 16,904,245 $140,815,692 +$18,845,408 $8.33 75
2022 Q4 14,950,711 $83,271,950 +$1,083,959 $5.57 52
2022 Q3 13,362,828 $60,530,000 -$4,788,377 $4.53 46
2022 Q2 15,606,559 $88,163,819 +$376,232 $5.65 47
2022 Q1 15,466,291 $103,624,000 +$1,553,154 $6.70 49
2021 Q4 15,271,949 $85,215,234 +$2,261,949 $5.58 53
2021 Q3 14,707,129 $99,716,285 -$1,214,805 $6.78 60
2021 Q2 14,823,309 $117,099,332 +$3,392,194 $7.90 64
2021 Q1 14,506,242 $85,731,748 +$16,995,672 $5.91 54
2020 Q4 11,640,313 $51,212,185 -$845,244 $4.40 45
2020 Q3 11,037,990 $41,828,000 +$3,969,375 $3.79 43
2020 Q2 10,270,734 $23,415,507 -$8,433,213 $2.28 49
2020 Q1 13,317,882 $41,152,094 -$2,949,126 $3.09 60
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