Question 1

Which hedge funds and institutional investors hold AMPY?

Accepted Answer

StonkWhisper tracks 13F filings submitted to the SEC by institutional investment managers with over $100 million in assets. The whale tracker for AMPY shows which major funds hold positions, their portfolio weight, share counts, and how those positions changed quarter over quarter.

Question 2

What does conviction level mean for AMPY whale holdings?

Accepted Answer

Conviction level reflects how significant AMPY is within a fund's overall portfolio. A high-conviction position means the manager has allocated a large percentage of their portfolio to AMPY, suggesting strong directional confidence in the stock.

Question 3

How current is the whale data for AMPY?

Accepted Answer

Institutional 13F filings are required within 45 days of each calendar quarter end (March 31, June 30, September 30, December 31). StonkWhisper processes filings as they are published on SEC EDGAR, so data reflects the most recently reported quarter.

Question 4

What do quarter-over-quarter changes tell me about AMPY?

Accepted Answer

QoQ changes for AMPY show whether institutional managers are increasing, decreasing, initiating, or exiting their positions. New positions and significant increases can signal growing institutional conviction, while exits or decreases may indicate waning confidence.

Manager	Shares	Value	% of Portfolio	Manager AUM
American Century	1.4M	$9.0M	0.0%	$194.3B
Arrowstreet	863.8K	$5.4M	0.0%	$184.8B
Millennium	481.1K	$3.0M	0.0%	$240.3B
Invesco	347.7K	$2.2M	0.0%	$653.3B
Citadel	266.2K	$1.7M	0.0%	$618.5B
Citadel	239.8K	$1.5M	0.0%	$618.5B
Yacktman	210.0K	$1.3M	0.0%	$7.5B
Point72	179.8K	$1.1M	0.0%	$78.1B
State Street	169.3K	$1.1M	—	$2896.4B
Brevan Howard	104.5K	$652K	0.0%	$11.3B
Winton	99.9K	$624K	0.0%	$2.9B
Geode Capital	78.6K	$490K	—	$1607.5B
DE Shaw	60.4K	$377K	0.0%	$166.3B
Hudson Bay	59.2K	$369K	0.0%	$29.0B
Marshall Wace	38.7K	$241K	0.0%	$100.4B
Schonfeld	32.9K	$205K	0.0%	$14.2B
DFA	31.7K	$198K	—	$481.4B
Franklin Templeton	21.9K	$136K	—	$408.3B
Fidelity (FMR)	15.4K	$96K	—	$1898.4B
Renaissance Tech	14.8K	$92K	0.0%	$63.9B
Citadel	14.7K	$92K	—	$618.5B
BlackRock	1.8K	$11K	—	$5723.5B
Northern Trust	1.6K	$10K	—	$756.6B
Acadian	1.4M	$9K	0.0%	$70.5M

AMPY

Who Holds AMPY

Changes This Quarter