Institutional holders Insiders (Form 4) Congress
% of shares outstanding held
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Top holders largest 12 of 12 · Δ vs 2025-Q4 # Holder Shares Value % of shares out Δ QoQ 1 1 Mn Services Vermogensbeheer B.V. 7,767 7,767 $14M — — 2 2 APPLETON PARTNERS INC/MA 2,276 2,276 $4M — TRIM -8% 3 3 O'Brien Greene & Co. Inc 963 963 $2M — — 4 4 DF DENT & CO INC 573 573 $1M — TRIM -8% 5 5 McIlrath & Eck, LLC 483 483 $845,263 — NEW 6 6 Ancora Advisors LLC 329 329 $575,698 — TRIM -11% 7 7 LOUNTZIS ASSET MANAGEMENT, LLC 285 285 $500,585 — — 8 8 GAMMA Investing LLC 23 23 $40,463 — TRIM -38% 9 9 KELLEHER FINANCIAL ADVISORS 12 12 $21,000 — — 10 10 Ascentis Wealth Management, LLC 10 10 $17,500 — NEW 11 11 PNC FINANCIAL SERVICES GROUP, INC. 4 4 $6,999 — TRIM -20% 12 12 ATLAS CAPITAL ADVISORS INC. 2 2 $3,510 — —
Rows rank by the value each filer reported — 13F filers price their own positions, so a holder with fewer shares can rank just above one with more.
Holder trends· top 12 holders · shares held over 6 quarters green added · red trimmed6 12 24 Max
Holder 2024-Q4 2025-Q1 2025-Q2 2025-Q3 2025-Q4 2026-Q1 Latest value Mn Services Vermogensbeheer B.V. 8K 7K 8K 8K 8K 8K $14M APPLETON PARTNERS INC/MA 3K 2K 2K 3K 2K 2K $4M O'Brien Greene & Co. Inc — — — — 946 963 $2M DF DENT & CO INC 710 710 710 650 621 573 $1M McIlrath & Eck, LLC — — — — — 483 $845,263 Ancora Advisors LLC 295 295 295 311 370 329 $575,698 LOUNTZIS ASSET MANAGEMENT, LLC 314 314 314 311 285 285 $500,585 GAMMA Investing LLC 41 44 44 64 37 23 $40,463 KELLEHER FINANCIAL ADVISORS — — — 12 12 12 $21,000 Ascentis Wealth Management, LLC — — — — — 10 $17,500 PNC FINANCIAL SERVICES GROUP, INC. 5 5 5 6 5 4 $6,999 ATLAS CAPITAL ADVISORS INC. — — — — 2 2 $3,510
Shares reported each quarter by the largest current holders. Green = added vs the prior filing, red = trimmed, grey = roughly held; a dash is a quarter with no 13F on file (a gap is skipped, not read as an exit). 13F is filed up to 45 days after quarter-end. Up to 40 quarters (10 years) available — use the selector above.
Institutional footprint by quarter reporting 13F holders 18 1 2013-Q2 2026-Q1 2013-Q2 · 1 holders · % suppressed/unavailable 2013-Q3 · 1 holders · % suppressed/unavailable 2013-Q4 · 1 holders · % suppressed/unavailable 2014-Q1 · 2 holders · % suppressed/unavailable 2014-Q2 · 1 holders · % suppressed/unavailable 2014-Q3 · 3 holders · % suppressed/unavailable 2014-Q4 · 4 holders · % suppressed/unavailable 2015-Q1 · 5 holders · % suppressed/unavailable 2015-Q2 · 5 holders · % suppressed/unavailable 2015-Q3 · 4 holders · % suppressed/unavailable 2015-Q4 · 4 holders · % suppressed/unavailable 2016-Q1 · 4 holders · % suppressed/unavailable 2016-Q2 · 4 holders · % suppressed/unavailable 2016-Q3 · 5 holders · % suppressed/unavailable 2016-Q4 · 5 holders · % suppressed/unavailable 2017-Q1 · 5 holders · % suppressed/unavailable 2017-Q2 · 5 holders · % suppressed/unavailable 2017-Q3 · 3 holders · % suppressed/unavailable 2017-Q4 · 3 holders · % suppressed/unavailable 2018-Q1 · 4 holders · % suppressed/unavailable 2018-Q2 · 6 holders · % suppressed/unavailable 2018-Q3 · 5 holders · % suppressed/unavailable 2018-Q4 · 4 holders · % suppressed/unavailable 2019-Q1 · 6 holders · % suppressed/unavailable 2019-Q2 · 6 holders · % suppressed/unavailable 2019-Q3 · 6 holders · % suppressed/unavailable 2019-Q4 · 7 holders · % suppressed/unavailable 2020-Q1 · 7 holders · % suppressed/unavailable 2020-Q2 · 8 holders · % suppressed/unavailable 2020-Q3 · 7 holders · % suppressed/unavailable 2020-Q4 · 8 holders · % suppressed/unavailable 2021-Q1 · 12 holders · % suppressed/unavailable 2021-Q2 · 12 holders · % suppressed/unavailable 2021-Q3 · 13 holders · % suppressed/unavailable 2021-Q4 · 13 holders · % suppressed/unavailable 2022-Q1 · 6 holders · % suppressed/unavailable 2022-Q2 · 7 holders · % suppressed/unavailable 2022-Q3 · 6 holders · % suppressed/unavailable 2022-Q4 · 8 holders · % suppressed/unavailable 2023-Q1 · 10 holders · % suppressed/unavailable 2023-Q2 · 12 holders · % suppressed/unavailable 2023-Q3 · 11 holders · % suppressed/unavailable 2023-Q4 · 16 holders · % suppressed/unavailable 2024-Q1 · 16 holders · % suppressed/unavailable 2024-Q2 · 17 holders · % suppressed/unavailable 2024-Q3 · 17 holders · % suppressed/unavailable 2024-Q4 · 16 holders · % suppressed/unavailable 2025-Q1 · 15 holders · % suppressed/unavailable 2025-Q2 · 18 holders · % suppressed/unavailable 2025-Q3 · 16 holders · % suppressed/unavailable 2025-Q4 · 18 holders · % suppressed/unavailable 2026-Q1 · 12 holders · % suppressed/unavailable Holder count only — too few computable %-of-shares-outstanding quarters for a % pane. Line breaks are quarters with no 13F record, never interpolated.
Quarter Holders Shares held % shares out Value held 2026-Q1 12 12,727 — $22M 2025-Q4 18 15,603 — $38M 2025-Q3 16 15,186 — $41M 2025-Q2 18 15,202 — $56M 2025-Q1 15 14,977 — $48M 2024-Q4 16 15,514 — $48M
Short interest has its own tab now — open SI →
Source: SEC Form 13F — every institution manager (≥ $100M in 13F securities) reporting a long US-listed position, across ~10,250 filers over 10 years of history. 13F is long-only, US-listed, filed up to 45 days after quarter-end.