Question 1

Which hedge funds and institutional investors hold ATRO?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for ATRO?

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 ATRO?

Accepted Answer

QoQ changes for ATRO 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	2.3M	$156.8M	0.0%	$2896.4B
American Century	1.7M	$115.9M	0.1%	$194.3B
Point72	567.2K	$37.9M	0.0%	$78.1B
Capital World	560.9K	$37.4M	0.0%	$732.9B
DE Shaw	542.9K	$36.2M	0.0%	$166.3B
Fisher Investments	348.8K	$23.3M	0.0%	$294.9B
Renaissance Tech	222.9K	$14.9M	0.0%	$63.9B
Millennium	220.0K	$14.7M	0.0%	$240.3B
Two Sigma	216.7K	$14.5M	0.0%	$123.9B
First Eagle	192.3K	$12.8M	0.0%	$59.0B
Geode Capital	110.0K	$7.3M	0.0%	$1607.5B
Hudson Bay	100.0K	$6.7M	0.0%	$29.0B
Citadel	96.4K	$6.4M	0.0%	$618.5B
Tudor	59.0K	$3.9M	0.0%	$53.9B
Caxton	55.3K	$3.7M	0.1%	$4.4B
PDT Partners	49.2K	$3.3M	0.2%	$1.7B
Polen Capital	42.4K	$2.8M	0.0%	$14.5B
Gabelli	37.0K	$2.5M	0.0%	$14.8B
DFA	32.4K	$2.2M	0.0%	$481.4B
Gotham Asset	23.3K	$1.6M	0.0%	$32.7B
Senator Inv Group	21.5K	$1.4M	0.1%	$2.2B
Citadel	20.3K	$1.4M	0.0%	$618.5B
Citadel	14.5K	$968K	0.0%	$618.5B
ExodusPoint	13.6K	$908K	0.0%	$12.4B
Brevan Howard	10.4K	$693K	0.0%	$11.3B
Man Group	9.0K	$602K	0.0%	$55.1B
Point72	3.4K	$227K	0.0%	$78.1B
Northern Trust	3.1K	$207K	—	$756.6B
Marshall Wace	2.2K	$149K	0.0%	$100.4B
Franklin Templeton	1.4K	$93K	—	$408.3B
Fidelity (FMR)	342	$23K	—	$1898.4B
BlackRock	287	$19K	—	$5723.5B
Acadian	229.3K	$15K	0.0%	$70.5M
AQR Capital	4	$267	—	$218.4B

ATRO

Who Holds ATRO

Changes This Quarter