Question 1

Which hedge funds and institutional investors hold 51A?

Accepted Answer

StonkWhisper tracks 13F filings submitted to the SEC by institutional investment managers with over $100 million in assets. The whale tracker for 51A 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 51A whale holdings?

Accepted Answer

Conviction level reflects how significant 51A is within a fund's overall portfolio. A high-conviction position means the manager has allocated a large percentage of their portfolio to 51A, suggesting strong directional confidence in the stock.

Question 3

How current is the whale data for 51A?

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 51A?

Accepted Answer

QoQ changes for 51A 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
Renaissance Tech	920.2K	$52.3M	0.1%	$63.9B
American Century	658.8K	$37.5M	0.0%	$194.3B
Arrowstreet	384.9K	$21.9M	0.0%	$184.8B
State Street	357.9K	$20.4M	0.0%	$2896.4B
Point72	84.6K	$4.8M	0.0%	$78.1B
Marshall Wace	76.8K	$4.4M	0.0%	$100.4B
ExodusPoint	67.1K	$3.8M	0.0%	$12.4B
Geode Capital	62.4K	$3.5M	0.0%	$1607.5B
Citadel	61.3K	$3.5M	0.0%	$618.5B
Fisher Investments	47.0K	$2.7M	0.0%	$294.9B
Millennium	44.0K	$2.5M	0.0%	$240.3B
DFA	38.7K	$2.2M	0.0%	$481.4B
Citadel	37.0K	$2.1M	0.0%	$618.5B
BlackRock	32.6K	$1.9M	—	$5723.5B
Tudor	31.6K	$1.8M	0.0%	$53.9B
Caxton	22.7K	$1.3M	0.0%	$4.4B
Polen Capital	14.1K	$803K	0.0%	$14.5B
Two Sigma	9.6K	$546K	0.0%	$123.9B
Brevan Howard	8.4K	$478K	0.0%	$11.3B
Citadel	8.2K	$466K	0.0%	$618.5B
Winton	5.2K	$296K	0.0%	$2.9B
DE Shaw	4.4K	$250K	0.0%	$166.3B
Schonfeld	4.3K	$245K	0.0%	$14.2B
Northern Trust	1.3K	$75K	—	$756.6B
Franklin Templeton	968	$55K	—	$408.3B
Acadian	558.1K	$32K	0.0%	$70.5M
Fidelity (FMR)	234	$13K	—	$1898.4B
LSV	27.5K	$2K	0.0%	$46.4M
AQR Capital	1	$57	—	$218.4B

51A

Who Holds 51A

Changes This Quarter