Question 1

Which hedge funds and institutional investors hold ACM?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for ACM?

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 ACM?

Accepted Answer

QoQ changes for ACM 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
PRIMECAP	8.6M	$733.4M	0.6%	$127.0B
State Street	5.0M	$427.6M	0.0%	$2896.4B
DE Shaw	1.1M	$90.1M	0.1%	$166.3B
Millennium	784.0K	$66.5M	0.0%	$240.3B
Renaissance Tech	662.3K	$56.2M	0.1%	$63.9B
Two Sigma	506.6K	$43.0M	0.0%	$123.9B
Geode Capital	493.3K	$41.8M	0.0%	$1607.5B
Robeco	371.9K	$31.5M	0.7%	$4.7B
Arrowstreet	238.6K	$20.2M	0.0%	$184.8B
Citadel	234.9K	$19.9M	0.0%	$618.5B
Tudor	232.1K	$19.7M	0.0%	$53.9B
Bridgewater	183.2K	$15.5M	0.1%	$22.4B
WorldQuant	179.8K	$15.3M	0.1%	$25.9B
Gotham Asset	134.8K	$11.4M	0.0%	$32.7B
DFA	104.7K	$8.9M	0.0%	$481.4B
Franklin Templeton	96.1K	$8.1M	0.0%	$408.3B
Man Group	89.1K	$7.6M	0.0%	$55.1B
Caxton	79.2K	$6.7M	0.2%	$4.4B
GMO	33.6K	$2.8M	0.0%	$39.1B
Marshall Wace	33.5K	$2.8M	0.0%	$100.4B
Schonfeld	32.2K	$2.7M	0.0%	$14.2B
Citadel	27.9K	$2.4M	0.0%	$618.5B
Citadel	19.6K	$1.7M	0.0%	$618.5B
Winton	18.3K	$1.6M	0.1%	$2.9B
Brevan Howard	12.5K	$1.1M	0.0%	$11.3B
Maverick Capital	9.8K	$835K	0.0%	$8.7B
Neuberger Berman (Eisman)	9.2K	$778K	0.0%	$131.4B
American Century	9.1K	$770K	0.0%	$194.3B
WCM	8.2K	$683K	0.0%	$43.8B
Fidelity (FMR)	7.6K	$649K	—	$1898.4B
Wellington	6.4K	$544K	0.0%	$535.5B
Aristeia	6.1K	$519K	0.0%	$4.8B
Northern Trust	3.8K	$319K	—	$756.6B
Balyasny	369	$31K	—	$77.1B
Acadian	128.0K	$11K	0.0%	$70.5M
BlackRock	101	$9K	—	$5723.5B
AQR Capital	3	$253	—	$218.4B

ACM

Who Holds ACM

Changes This Quarter