Question 1

Which hedge funds and institutional investors hold UMC?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for UMC?

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 UMC?

Accepted Answer

QoQ changes for UMC 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
Two Sigma	9.7M	$86.7M	0.1%	$123.9B
Man Group	5.1M	$45.4M	0.1%	$55.1B
State Street	5.0M	$45.0M	0.0%	$2896.4B
DE Shaw	1.9M	$17.0M	0.0%	$166.3B
Millennium	1.8M	$15.9M	0.0%	$240.3B
Citadel	765.3K	$6.9M	0.0%	$618.5B
Marshall Wace	190.1K	$1.7M	0.0%	$100.4B
Citadel	165.3K	$1.5M	0.0%	$618.5B
Bridgewater	134.0K	$1.2M	0.0%	$22.4B
Arrowstreet	129.9K	$1.2M	0.0%	$184.8B
Citadel	128.7K	$1.2M	0.0%	$618.5B
Neuberger Berman (Eisman)	114.1K	$1.0M	0.0%	$131.4B
Millennium	83.9K	$753K	0.0%	$240.3B
DFA	65.7K	$590K	0.0%	$481.4B
ExodusPoint	27.7K	$249K	0.0%	$12.4B
Franklin Templeton	23.2K	$208K	0.0%	$408.3B
Tudor	17.6K	$158K	0.0%	$53.9B
Acadian	8.1M	$73K	0.1%	$70.5M
Fidelity (FMR)	6.5K	$59K	—	$1898.4B
Wellington	6.4K	$58K	—	$535.5B
BlackRock	1.8K	$16K	—	$5723.5B
Northern Trust	1.1K	$10K	—	$756.6B
LSV	694.2K	$6K	0.0%	$46.4M
AQR Capital	86	$772	—	$218.4B

UMC

Who Holds UMC

Changes This Quarter