Security Snapshot

AmpliTech Group, Inc. - Common Stock, $0.001 par value per share (AMPG) Institutional Ownership

CUSIP: 03211Q200

13F Institutional Holders and Ownership History from Q1 2021 to Q3 2026

13F reference period

Q3 2026

Institutions Reporting

29

Shares (Excl. Options)

3.68MFull value: 3,684,778 · shares · 30 Sep 2026

Price

$3.14

The headline uses the Q3 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+918,876
Value change
+$1,522,399
Number of holders
29
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
31,748,037
SEC-reported price per share
$2.99
Insider filing price
$2.99
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • AMPG - AmpliTech Group, Inc. - Common Stock, $0.001 par value per share is tracked under CUSIP 03211Q200.
  • 29 institutions reported positions in Q3 2026.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 64 to 29 between Q2 2026 and Q3 2026.
  • SEC-reported value moved from
    $45.88MFull value: $45,878,214 · USD · 30 Jun 2026
    to
    $11.57MFull value: $11,570,426 · USD · 30 Sep 2026
    .

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 29 institutions filings for Q3 2026.

Open SEC evidence

Security key

03211Q200

13F reference period

Q3 2026

13F holders

29

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
AMPG
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
SUSQUEHANNA SECURITIES, LLC 6.9% $11,115,198 1,744,929 G1 Execution Services, LLC 30 Jun 2026
BARD ASSOCIATES INC 8.8% $3,029,373 1,741,019 Bard Associates, Inc. 07 Jan 2025
Funicular Funds, LP 5.4% $5,931,803 1,714,394 Funicular Funds, LP 21 Sep 2026
Citadel Securities GP LLC 5.7% $4,993,441 1,443,191 Citadel Securities GP LLC 30 Jun 2026
As of 30 Sep 2026, 29 institutional investors reported holding
3.68MFull value: 3,684,778 · shares · 30 Sep 2026
shares of AmpliTech Group, Inc. - Common Stock, $0.001 par value per share (AMPG). This represents 12% of the company’s total
31.75MFull value: 31,748,037 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

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

Top holder share
12%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
MARSHALL WACE, LLP 3.5% 1,119,448 0% $3,515,067
VANGUARD CAPITAL MANAGEMENT LLC 3% 956,466 0% 0% $3,003,303
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. 0.92% 291,948 -35% 0.07% $916,717
GEODE CAPITAL MANAGEMENT, LLC 0.85% 270,031 +9.7% 0% $848,177
GROUP ONE TRADING LLC 0.65% 207,185 0.02% $650,561
DIMENSIONAL FUND ADVISORS LP 0.58% 185,421 0% 0% $582,221
VANGUARD FIDUCIARY TRUST CO 0.49% 156,388 +20% 0% $491,058
STATE STREET CORP 0.34% 108,868 -4.1% 0% $341,846
ESSEX INVESTMENT MANAGEMENT CO LLC 0.19% 60,526 0% 0.03% $190,052
IMC-Chicago, LLC 0.16% 49,401 -4.2% 0% $155,119
Asset Management One Co., Ltd. 0.14% 45,865 0% $144,016
LPL Financial LLC 0.11% 35,620 -3.7% 0% $111,847
Foundations Investment Advisors, LLC 0.08% 26,066 +54% 0% $81,847
Walser Wealth Management Company, A Ltd Liability Co 0.08% 26,066 +54% 0.03% $81,847
FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ 0.08% 23,844 0% 0% $74,870
Private Advisor Group, LLC 0.06% 18,815 +8.1% 0% $59,079
Bryn Mawr Trust Advisors, LLC 0.05% 14,775 0% 0% $46,394
Jefferies Financial Group Inc. 0.05% 14,300 -0.69% 0% $44,902
Legato Capital Management LLC 0.04% 14,284 0% 0% $44,852
Asset One Wealth Management LLC 0.04% 13,050 0% $40,977
Tradition Wealth Management, LLC 0.04% 12,205 -4.3% 0% $38,324
Vanguard Global Advisers, LLC 0.03% 9,949 0% 0% $31,240
Quantbot Technologies LP 0.03% 9,514 0% $29,874
SBI Securities Co., Ltd. 0.02% 6,246 -54% 0% $19,612
MORGAN STANLEY 0.02% 5,836 -44% 0% $18,325

Quarter history

Institutional holders across reporting periods

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

Periods
23
Headline period
Q3 2026
Rows shown
1-23 of 23
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 3,684,778 $11,570,426 +$1,522,399 $3.14 29
2026 Q2 6,598,506 $45,878,214 +$12,895,791 $6.96 64
2026 Q1 6,155,258 $11,696,274 +$1,347,726 $1.90 39
2025 Q4 4,923,540 $14,730,650 +$3,020,027 $2.99 40
2025 Q3 3,456,603 $13,443,859 +$675,925 $3.89 30
2025 Q2 3,748,453 $7,950,414 +$229,342 $2.12 24
2025 Q1 3,365,789 $5,217,724 +$1,726,635 $1.55 20
2024 Q4 2,114,371 $10,855,401 -$1,574,912 $5.14 20
2024 Q3 2,454,762 $1,914,679 +$1,117,795 $0.78 15
2024 Q2 1,021,064 $1,071,656 -$112,719 $1.05 17
2024 Q1 1,038,498 $1,922,877 +$70,129 $1.85 17
2023 Q4 1,000,316 $1,885,182 -$100,458 $1.88 17
2023 Q3 1,048,170 $2,124,458 +$202,040 $2.02 18
2023 Q2 947,829 $2,189,079 +$478,196 $2.31 19
2023 Q1 731,266 $2,010,442 -$38,909 $2.76 16
2022 Q4 786,430 $1,667,907 +$341,732 $2.12 15
2022 Q3 620,492 $1,141,000 -$196,028 $1.84 10
2022 Q2 718,197 $1,467,000 -$400,302 $2.04 12
2022 Q1 775,890 $2,605,000 -$299,708 $3.35 15
2021 Q4 850,143 $3,351,000 +$42,135 $3.94 13
2021 Q3 839,016 $3,004,000 -$66,077 $3.58 10
2021 Q2 811,988 $3,721,000 +$2,746,049 $4.63 13
2021 Q1 188,361 $1,702,000 +$1,702,000 $10.93 4
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