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Who owns AmpliTech Group (AMPG) stock

58 funds reported AmpliTech Group (AMPG) shares in their latest 13F filings, worth $41.9M in all. The largest holder is Bard Associates ($10.3M). Last quarter 44 funds added to their stakes and 20 cut them.

Largest holders of AMPG (13F)Largest holders of AMPG (13F)Bard Associates$10.3MVanguard Capital Management LLC$6.7MBlackRock$3.6MLandscape Capital Management, L.L…$3.1MVanguard Group$2.3MGeode Capital Management, LLC$1.7MDimensional Fund Advisors LP$1.3MJane Street Group, LLC$951KEAM Investors, LLC$937KVanguard Fiduciary Trust$908K

Largest holders (13F)

FundSharesValueChangeQuarter
Bard Associates1,477,265$10.3Mdecrease2026-06-30
Vanguard Capital Management LLC956,466$6.7Mincrease2026-06-30
BlackRock522,988$3.6Mincrease2026-06-30
Landscape Capital Management, L.L.C.449,510$3.1Mincrease2026-06-30
Vanguard Group768,050$2.3Mincrease2025-12-31
Geode Capital Management, LLC246,066$1.7Mincrease2026-06-30
Dimensional Fund Advisors LP185,421$1.3Mdecrease2026-06-30
Jane Street Group, LLC136,606$951Knew2026-06-30
EAM Investors, LLC134,625$937Knew2026-06-30
Vanguard Fiduciary Trust130,447$908Kincrease2026-06-30
Simplex Trading, LLC123,874$862Knew2026-06-30
State Street113,468$790Kincrease2026-06-30
PFG Investments, LLC110,600$770Knew2026-06-30
Bridgeway Capital Management, LLC105,849$737Kunchanged2026-06-30
Thompson Siegel & Walmsley LLC105,040$731Knew2026-06-30

AmpliTech Group's latest quarter

AmpliTech Group, Q2 2026: revenue $8.1M (-27% year over year), operating margin -39.6%, net loss $3.1M, operating cash flow −$5.5M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most AMPG stock?

By the latest 13F filings: Bard Associates ($10.3M); Vanguard Capital Management LLC ($6.7M); BlackRock ($3.6M); Landscape Capital Management, L.L.C. ($3.1M); Vanguard Group ($2.3M).

What is the short interest in AMPG?

3,409,780 shares were sold short at the 2026-10-15 settlement, -13.73% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.