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 23 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	$2.58M 1,665,154 shares	0.96%	-7.95K(-0.50%)Reduced	SEC filing ↗ May 12, 2025	▾
02	AIGH Capital Management LLC CIK 1835943 · View history	$1.40M 905,453 shares	0.73%	+905.45KNew	SEC filing ↗ May 6, 2025	▾
03	VANGUARD GROUP INC CIK 102909 · View history	$301.53K 194,536 shares	0.00%	+90.71K(+87.40%)Added	SEC filing ↗ May 9, 2025	▾
04	GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history	$252.30K 162,758 shares	0.00%	+76.85K(+89.40%)Added	SEC filing ↗ May 13, 2025	▾
05	UBS Group AG CIK 1610520 · View history	$173.09K 111,668 shares	0.00%	+101.27K(+973.70%)Added	SEC filing ↗ May 13, 2025	▾
06	Asset Management One Co., Ltd. CIK 1068855 · View history	$101.64K 65,573 shares	0.00%	+65.57KNew	SEC filing ↗ Apr 23, 2025	▾
07	ESSEX INVESTMENT MANAGEMENT CO LLC CIK 201772 · View history	$90.93K 58,667 shares	0.02%	+58.67KNew	SEC filing ↗ May 7, 2025	▾
08	NORTHERN TRUST CORP CIK 73124 · View history	$61.80K 39,869 shares	0.00%	+27.22K(+215.10%)Added	SEC filing ↗ May 13, 2025	▾
09	PFG Investments, LLC CIK 1973224 · View history	$49.87K 32,175 shares	0.00%	+32.17KNew	SEC filing ↗ Apr 22, 2025	▾
10	STATE STREET CORP CIK 93751 · View history	$43.71K 28,200 shares	0.00%	0(0.00%)Unchanged	SEC filing ↗ May 15, 2025	▾
11	THOMPSON DAVIS & CO., INC. CIK 1017284 · View history	$34.44K 22,220 shares	0.03%	+22.22KNew	SEC filing ↗ May 13, 2025	▾
12	Squarepoint Ops LLC CIK 1642575 · Amended · View history	$28.53K 18,407 shares	0.00%	+18.41KNew	SEC filing ↗ May 15, 2025	▾
13	JANE STREET GROUP, LLC CIK 1595888 · Amended · View history	$24.93K 16,087 shares	0.00%	-108.32K(-87.10%)Reduced	SEC filing ↗ May 19, 2025	▾
14	Legato Capital Management LLC CIK 1442641 · View history	$22.23K 14,341 shares	0.00%	+14.34KNew	SEC filing ↗ May 6, 2025	▾
15	Bryn Mawr Trust Advisors, LLC CIK 1700481 · View history	$16.70K 10,775 shares	0.00%	+10.78KNew	SEC filing ↗ May 2, 2025	▾
16	SBI Securities Co., Ltd. CIK 1851815 · View history	$15.26K 9,845 shares	0.00%	+5.91K(+150.40%)Added	SEC filing ↗ May 2, 2025	▾
17	BANK OF AMERICA CORP /DE/ CIK 70858 · View history	$7.97K 5,140 shares	0.00%	-145(-2.70%)Reduced	SEC filing ↗ May 15, 2025	▾
18	Cornerstone Planning Group LLC CIK 1822587 · View history	$6.61K 3,800 shares	0.00%	0(0.00%)Unchanged	SEC filing ↗ Apr 30, 2025	▾
19	Tower Research Capital LLC (TRC) CIK 1533421 · View history	$1.23K 796 shares	0.00%	-1.86K(-70.00%)Reduced	SEC filing ↗ May 15, 2025	▾
20	OSAIC HOLDINGS, INC. CIK 1677044 · View history	$503.00 325 shares	0.00%	0(0.00%)Unchanged	SEC filing ↗ May 12, 2025	▾

Showing 20 / 23 institutions. The complete set is available through the API.

Coverage & totals by quarter

Reporting institutions

Cancelled or null records excluded

Disclosed shares

3,365,794

Not deduplicated across managers

Disclosed value

$5.22M

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. · Q1 2025

Explore all 23 reporting institutions.

This page includes 20 of 23 reporting institutions. Log in to look up the full history beyond 3 years, use advanced screening & filtering, download CSV, and get the complete set through the Akkru API.

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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.