Question 1

Which hedge funds and institutional investors hold SIMO?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for SIMO?

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 SIMO?

Accepted Answer

QoQ changes for SIMO 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
Hawk Ridge	1.2M	$131.8M	4.8%	$2.8B
Man Group	560.1K	$62.9M	0.1%	$55.1B
Arrowstreet	425.7K	$47.8M	0.0%	$184.8B
Millennium	395.8K	$44.4M	0.0%	$240.3B
Two Sigma	274.6K	$30.8M	0.0%	$123.9B
First Eagle	168.4K	$18.9M	0.0%	$59.0B
Marshall Wace	114.2K	$12.8M	0.0%	$100.4B
State Street	90.2K	$10.1M	0.0%	$2896.4B
Balyasny	85.0K	$9.5M	0.0%	$77.1B
BlackRock	59.0K	$6.6M	0.0%	$5723.5B
Wellington	58.4K	$6.6M	0.0%	$535.5B
Adage Capital	54.7K	$6.1M	0.0%	$64.8B
Geode Capital	43.3K	$4.9M	0.0%	$1607.5B
Fidelity (FMR)	33.7K	$3.8M	0.0%	$1898.4B
Citadel	32.0K	$3.6M	0.0%	$618.5B
Citadel	27.3K	$3.1M	0.0%	$618.5B
Tudor	20.5K	$2.3M	0.0%	$53.9B
Citadel	20.1K	$2.3M	0.0%	$618.5B
Neuberger Berman (Eisman)	14.2K	$1.6M	0.0%	$131.4B
Maverick Capital	7.4K	$827K	0.0%	$8.7B
Two Sigma	3.7K	$415K	0.0%	$123.9B
Two Sigma	3.2K	$359K	0.0%	$123.9B
Acadian	1.3M	$145K	0.2%	$70.5M
Northern Trust	309	$35K	—	$756.6B

SIMO

Who Holds SIMO

Changes This Quarter