Company · Ownership research

AmpliTech Group, Inc. AMPG

CIK 0001518461 · CUSIP 03211Q200

Insider trading Initial holdings Institutional holders

Quarter-end disclosures, not live holdings.

Several CUSIPs are reported for this company; this page shows CUSIP 03211Q200 (AMPG), not CUSIP 03211Q900 (AMPG), CUSIP 03211Q950 (AMPG), and does not merge CUSIPs.

This page lists the top 20 of 25 rows by value; the complete set is available through the API.

Top 20 institutions

Weight means this stock's share of the manager's own portfolio.

By reported value

#	Manager	Value	Manager weight	Change vs prior	Source
01	BARD ASSOCIATES INC CIK 1105907 · View history	$3.44M 1,622,729 shares	1.11%	-42.42K(-2.50%)Reduced	SEC filing ↗ Aug 5, 2025	▾
02	AIGH Capital Management LLC CIK 1835943 · View history	$1.92M 905,453 shares	0.90%	0(0.00%)Unchanged	SEC filing ↗ Jul 29, 2025	▾
03	MORGAN STANLEY CIK 895421 · View history	$589.80K 278,206 shares	0.00%	+278.20K(+27,820,500.00%)Added	SEC filing ↗ Aug 14, 2025	▾
04	VANGUARD GROUP INC CIK 102909 · View history	$470.53K 221,947 shares	0.00%	+27.41K(+14.10%)Added	SEC filing ↗ Aug 11, 2025	▾
05	GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history	$355.32K 167,569 shares	0.00%	+4.81K(+3.00%)Added	SEC filing ↗ Aug 8, 2025	▾
06	ESSEX INVESTMENT MANAGEMENT CO LLC CIK 201772 · View history	$146.95K 69,317 shares	0.03%	+10.65K(+18.20%)Added	SEC filing ↗ Aug 12, 2025	▾
07	UBS Group AG CIK 1610520 · View history	$140.96K 66,490 shares	0.00%	-45.18K(-40.50%)Reduced	SEC filing ↗ Aug 14, 2025	▾
08	Asset Management One Co., Ltd. CIK 1068855 · View history	$140.31K 66,184 shares	0.00%	+611(+0.90%)Added	SEC filing ↗ Jul 31, 2025	▾
09	THOMPSON DAVIS & CO., INC. CIK 1017284 · Amended · View history	$138.50K 65,331 shares	0.09%	+43.11K(+194.00%)Added	SEC filing ↗ Aug 20, 2025	▾
10	BlackRock, Inc. CIK 2012383 · View history	$89.30K 42,123 shares	0.00%	+42.12KNew	SEC filing ↗ Aug 12, 2025	▾
11	NORTHERN TRUST CORP CIK 73124 · View history	$84.52K 39,869 shares	0.00%	0(0.00%)Unchanged	SEC filing ↗ Aug 13, 2025	▾
12	DIMENSIONAL FUND ADVISORS LP CIK 354204 · View history	$82.15K 38,749 shares	0.00%	+38.75KNew	SEC filing ↗ Aug 12, 2025	▾
13	PFG Investments, LLC CIK 1973224 · View history	$68.90K 32,500 shares	0.00%	+325(+1.00%)Added	SEC filing ↗ Jul 18, 2025	▾
14	STATE STREET CORP CIK 93751 · View history	$59.78K 28,200 shares	0.00%	0(0.00%)Unchanged	SEC filing ↗ Aug 14, 2025	▾
15	TWO SIGMA INVESTMENTS, LP CIK 1179392 · View history	$44.44K 20,961 shares	0.00%	+20.96KNew	SEC filing ↗ Aug 14, 2025	▾
16	Legato Capital Management LLC CIK 1442641 · View history	$34.55K 16,299 shares	0.00%	+1.96K(+13.70%)Added	SEC filing ↗ Aug 14, 2025	▾
17	Squarepoint Ops LLC CIK 1642575 · Amended · View history	$30.61K 14,439 shares	0.00%	-3.97K(-21.60%)Reduced	SEC filing ↗ Aug 14, 2025	▾
18	TWO SIGMA SECURITIES, LLC CIK 1450144 · View history	$30.49K 14,382 shares	0.00%	+14.38KNew	SEC filing ↗ Aug 14, 2025	▾
19	SBI Securities Co., Ltd. CIK 1851815 · View history	$27.25K 12,855 shares	0.00%	+3.01K(+30.60%)Added	SEC filing ↗ Aug 8, 2025	▾
20	Bryn Mawr Trust Advisors, LLC CIK 1700481 · View history	$22.84K 10,775 shares	0.00%	0(0.00%)Unchanged	SEC filing ↗ Aug 6, 2025	▾

Showing 20 / 25 institutions. The complete set is available through the API.

Coverage & totals by quarter

Reporting institutions

Cancelled or null records excluded

Disclosed shares

3,748,454

Not deduplicated across managers

Disclosed value

$7.95M

Not market cap or free float

Reporting institutions by quarter

Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.

AmpliTech Group, Inc. · Q2 2025

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Sources, coverage & how to read this data

Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.