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AmpliTech Group, Inc.

AMPG
Exchange
Nasdaq
Industry
Communications Equipment, NEC
SEC CIK
0001518461

In the last 90 days, AmpliTech Group, Inc. insiders filed 1 open-market purchase and 0 sales; 64 institutions reported holding it in 13F filings for Q2 2026, worth $45.9M in total; no superinvestor holds it.

Other share classesAMPGZ

13F holders, Q4 2025

Institutional positions in AmpliTech Group, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
42
+11 vs. Q3 2025
Shares held
7.49M
+4.03M (+116.7%) vs. Q3 2025
Total value
$28.0M
+$14.6M (+108.3%) vs. Q3 2025
New holders
14
15 more added
Sold out
3
8 more reduced

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AMPG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 42 institutions
Q1 2021: 4 institutionsQ2 2021: 15 institutionsQ3 2021: 14 institutionsQ4 2021: 17 institutionsQ1 2022: 17 institutionsQ2 2022: 14 institutionsQ3 2022: 13 institutionsQ4 2022: 15 institutionsQ1 2023: 16 institutionsQ2 2023: 19 institutionsQ3 2023: 18 institutionsQ4 2023: 19 institutionsQ1 2024: 18 institutionsQ2 2024: 18 institutionsQ3 2024: 15 institutionsQ4 2024: 22 institutionsQ1 2025: 22 institutionsQ2 2025: 24 institutionsQ3 2025: 31 institutionsQ4 2025: 42 institutionsQ1 2026: 39 institutionsQ2 2026: 64 institutions
Value heldQ4 2025: $28.0M
Q1 2021: $1.70MQ2 2021: $3.72MQ3 2021: $3.01MQ4 2021: $3.35MQ1 2022: $2.60MQ2 2022: $1.47MQ3 2022: $1.14MQ4 2022: $1.67MQ1 2023: $2.01MQ2 2023: $2.19MQ3 2023: $2.12MQ4 2023: $1.89MQ1 2024: $1.92MQ2 2024: $1.07MQ3 2024: $1.91MQ4 2024: $10.9MQ1 2025: $5.22MQ2 2025: $7.95MQ3 2025: $13.4MQ4 2025: $28.0MQ1 2026: $11.7MQ2 2026: $45.9M
Institutions holding AMPG and their total value by quarter
QuarterHoldersValue
Q2 202664$45.9M
Q1 202639$11.7M
Q4 202542$28.0M
Q3 202531$13.4M
Q2 202524$7.95M
Q1 202522$5.22M
Q4 202422$10.9M
Q3 202415$1.91M
Q2 202418$1.07M
Q1 202418$1.92M
Q4 202319$1.89M
Q3 202318$2.12M
Q2 202319$2.19M
Q1 202316$2.01M
Q4 202215$1.67M
Q3 202213$1.14M
Q2 202214$1.47M
Q1 202217$2.60M
Q4 202117$3.35M
Q3 202114$3.01M
Q2 202115$3.72M
Q1 20214$1.70M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding AmpliTech Group, Inc.; share changes are against Q3 2025.

Institutions holding AMPG in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
SymBiosis Capital Partners, LLC2,555,000$13.2M12.09%+2,555,000New
Bard Associates Inc1,600,729$4.79M1.23%−23,000−1.4%Reduced
Vanguard Group Inc768,050$2.30M0.00%+462,579+151.4%Added
Creek Drive Management Group LLC400,000$1.20M0.88%+400,000New
Geode Capital Management, LLC194,620$582.1K0.00%+7,874+4.2%Added
EAM Investors, LLC174,680$522.3K0.06%00.0%Unchanged
Corsair Capital Management, L.P.171,722$513.4K0.08%+71,722+71.7%Added
Renaissance Technologies LLC158,200$473.0K0.00%+158,200New
Gsa Capital Partners LLP154,554$462.0K0.04%+154,554New
Jane Street Group, LLC140,192$419.2K0.00%+98,943+239.9%Added
Two Sigma Investments, LP115,814$346.3K0.00%+85,283+279.3%Added
SEI Investments Co106,639$318.9K0.00%+106,639New
BlackRock, Inc.94,918$283.8K0.00%+3,575+3.9%Added
State Street Corp89,168$266.6K0.00%00.0%Unchanged
Essex Investment Management Co LLC87,840$262.6K0.04%+18,523+26.7%Added
Dimensional Fund Advisors LP83,949$251.0K0.00%+20,898+33.1%Added
Pekin Hardy Strauss, Inc.80,800$241.6K0.02%+8,500+11.8%Added
Evernest Financial Advisors, LLC74,000$229.4K0.05%+74,000New
Marshall Wace, LLP60,609$181.2K0.00%+60,609New
Susquehanna International Group, LLP49,811$148.9K0.00%+49,811New
Northern Trust Corp46,567$139.2K0.00%+5,551+13.5%Added
XTX Topco Ltd33,637$100.6K0.00%+33,637New
Thompson Davis & Co., Inc.32,266$96.5K0.06%+2,778+9.4%Added
Cable Car Capital LLC25,000$74.8K0.00%+25,000New
UBS Group AG24,355$72.8K0.00%+12,528+105.9%Added
Legato Capital Management LLC20,675$61.8K0.01%+4,376+26.8%Added
Engineers Gate Manager LP20,658$61.8K0.00%+20,658New
Virtu Financial LLC19,523$58.0K0.00%+4,762+32.3%Added
Morgan Stanley17,266$51.6K0.00%−197,975−92.0%Reduced
Squarepoint Ops LLC15,055$45.0K0.00%−7,221−32.4%Reduced
WSFS Capital Management, LLC14,775$44.2K0.00%00.0%Unchanged
Simplex Trading, LLC12,911$38.6K0.00%+12,911New
Millennium Management LLC12,664$37.9K0.00%−6,033−32.3%Reduced
MLG Wealth Management DBA Pine Grove Financial Group12,000$35.9K0.00%+12,000New
Advisor Group Holdings, Inc.8,737$26.1K0.00%−398−4.4%Reduced
SBI Securities Co., Ltd.6,991$20.9K0.00%−5,595−44.5%Reduced
Cornerstone Planning Group LLC3,800$12.6K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)971$2.90K0.00%−692−41.6%Reduced
Jones Financial Companies LLLP900$2.69K0.00%+900New
Royal Bank of Canada278$1.00K0.00%+267+2,427.3%Added
Maryland Capital Advisors Inc.200$5980.00%00.0%Unchanged
Bank of America Corp17$510.00%−3,108−99.5%Reduced
Integrated Wealth Concepts LLC0$00.00%−193,200−100.0%Sold out
Caitong International Asset Management Co., Ltd0$00.00%−895−100.0%Sold out
Citigroup Inc0$00.00%−35−100.0%Sold out