Jane Street’s AmpliTech AMPG Stock Holding History

Jane Street’s Portfolio AMPG Stock Details AMPG Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-140,192	Closed	-$414K	–	11477
2025 Q4	$419K	Buy	140,192 +98,943	+240%	+$334K	﹤0.01%	8098
2025 Q3	$160K	Buy	+41,249	New	+$135K	﹤0.01%	9840
2025 Q2	–	Sell	-16,087	Closed	-$24.9K	–	9534
2025 Q1	$24.9K	Sell	16,087 -108,319	-87%	-$221K	﹤0.01%	9119
2024 Q4	$639K	Buy	124,406 +108,927	+704%	+$153K	﹤0.01%	6251
2024 Q3	$12.1K	Buy	+15,479	New	+$14.8K	﹤0.01%	9337
2023 Q2	–	Sell	-12,408	Closed	-$34.2K	–	8613
2023 Q1	$34.2K	Buy	+12,408	New	+$31K	﹤0.01%	8540
2022 Q2	–	Sell	-10,813	Closed	-$36K	–	9579
2022 Q1	$36K	Sell	10,813 -614	-5%	-$2.01K	﹤0.01%	9781
2021 Q4	$45K	Buy	+11,427	New	+$43.4K	﹤0.01%	9569

Other funds holding AMPG

Bard Associates Chicago, Illinois $398M AUM 54.32% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

CDMG

Creek Drive Management Group San Francisco, California $439M AUM

CCC

Cable Car Capital San Francisco, California $289M AUM 26.33% 1-Year Est. Return

IWC

Integrated Wealth Concepts Waltham, Massachusetts $12.5B AUM 18.49% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

PHS

Pekin Hardy Strauss Chicago, Illinois $957M AUM 44.61% 1-Year Est. Return

VFT

Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM

Jane Street's AMPG Position: Q1 2026 in Review

Jane Street sold out of AmpliTech (AMPG) in Q1 2026, closing a stake of 140,192 shares — an estimated $414K sold.

Jane Street first reported a position in AMPG in Q4 2021 and held it in 8 quarters. The position peaked at $639K in Q4 2024. 38 funds tracked by Wall St. Rank hold AMPG as of Q1 2026.

Jane Street reported no remaining AmpliTech position as of Q1 2026 after selling out during the quarter.
Jane Street sold 140,192 AmpliTech shares in Q1 2026, an estimated $414K.
Jane Street first reported a position in AmpliTech in Q4 2021 and held it in 8 quarters.
Jane Street's AmpliTech position peaked at $639K in Q4 2024.
38 funds tracked by Wall St. Rank held AmpliTech as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.