Question 1

Which hedge funds and institutional investors hold AMSC?

Accepted Answer

StonkWhisper tracks 13F filings submitted to the SEC by institutional investment managers with over $100 million in assets. The whale tracker for AMSC 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 AMSC whale holdings?

Accepted Answer

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

Question 3

How current is the whale data for AMSC?

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 AMSC?

Accepted Answer

QoQ changes for AMSC 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
State Street	1.3M	$42.7M	0.0%	$2896.4B
Baillie Gifford	607.4K	$20.6M	0.0%	$97.9B
Arrowstreet	446.8K	$15.1M	0.0%	$184.8B
Citadel	170.0K	$5.8M	0.0%	$618.5B
Two Sigma	169.0K	$5.7M	0.0%	$123.9B
Geode Capital	165.6K	$5.6M	0.0%	$1607.5B
Point72	106.5K	$3.6M	0.0%	$78.1B
Millennium	101.6K	$3.4M	0.0%	$240.3B
Citadel	84.9K	$2.9M	0.0%	$618.5B
DE Shaw	58.9K	$2.0M	0.0%	$166.3B
DFA	33.9K	$1.1M	0.0%	$481.4B
Franklin Templeton	29.5K	$998K	0.0%	$408.3B
Point72	27.3K	$924K	0.0%	$78.1B
ExodusPoint	26.5K	$897K	0.0%	$12.4B
Tudor	21.9K	$741K	0.0%	$53.9B
Citadel	20.0K	$677K	0.0%	$618.5B
DE Shaw	15.2K	$515K	0.0%	$166.3B
Winton	11.3K	$381K	0.0%	$2.9B
PDT Partners	9.7K	$329K	0.0%	$1.7B
Two Sigma	9.7K	$328K	0.0%	$123.9B
Two Sigma	7.0K	$237K	0.0%	$123.9B
Tudor	6.4K	$217K	0.0%	$53.9B
Northern Trust	3.1K	$104K	—	$756.6B
Fidelity (FMR)	1.3K	$46K	—	$1898.4B
Balyasny	276	$9K	—	$77.1B
BlackRock	8	$271	—	$5723.5B
AQR Capital	4	$135	—	$218.4B
Acadian	811	$27	—	$70.5M

AMSC

Who Holds AMSC

Changes This Quarter