Question 1

Which hedge funds and institutional investors hold ARGX?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for ARGX?

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 ARGX?

Accepted Answer

QoQ changes for ARGX 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
Capital World	2.3M	$1.6B	0.2%	$732.9B
Artisan Partners	1.5M	$1.1B	1.7%	$62.3B
Sands Capital	340.3K	$248.5M	1.0%	$25.5B
William Blair	266.1K	$194.4M	0.6%	$30.3B
Jennison	237.5K	$173.4M	0.1%	$145.4B
ClearBridge	231.4K	$168.9M	0.1%	$114.9B
American Century	173.7K	$126.8M	0.1%	$194.3B
Fidelity (FMR)	135.0K	$98.6M	0.0%	$1898.4B
Two Sigma	109.1K	$79.7M	0.1%	$123.9B
Wellington	97.5K	$71.2M	0.0%	$535.5B
Adage Capital	90.0K	$65.7M	0.1%	$64.8B
DE Shaw	76.1K	$55.6M	0.0%	$166.3B
Millennium	72.4K	$52.8M	0.0%	$240.3B
DE Shaw	52.1K	$38.1M	0.0%	$166.3B
Citadel	41.6K	$30.4M	0.0%	$618.5B
Hudson Bay	30.0K	$21.9M	0.1%	$29.0B
Citadel	29.5K	$21.5M	0.0%	$618.5B
Geode Capital	23.6K	$17.2M	0.0%	$1607.5B
Citadel	14.2K	$10.4M	0.0%	$618.5B
Balyasny	13.1K	$9.6M	0.0%	$77.1B
DE Shaw	5.8K	$4.2M	0.0%	$166.3B
State Street	5.1K	$3.7M	0.0%	$2896.4B
Point72	4.4K	$3.2M	0.0%	$78.1B
Point72	2.7K	$2.0M	0.0%	$78.1B
AQR Capital	2.5K	$1.8M	0.0%	$218.4B
GGH	2.4K	$1.7M	0.0%	$8.3B
DFA	2.0K	$1.5M	0.0%	$481.4B
Bridgewater	1.2K	$887K	0.0%	$22.4B
Winton	760	$555K	0.0%	$2.9B
Neuberger Berman (Eisman)	94	$69K	0.0%	$131.4B
Franklin Templeton	51	$37K	—	$408.3B
BlackRock	47	$34K	—	$5723.5B
Northern Trust	40	$29K	—	$756.6B

ARGX

Who Holds ARGX

Changes This Quarter