Question 1

Which hedge funds and institutional investors hold XBI?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for XBI?

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 XBI?

Accepted Answer

QoQ changes for XBI 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
Citadel	2.7M	$349.1M	0.1%	$618.5B
Citadel	1.8M	$229.4M	0.0%	$618.5B
DE Shaw	1.4M	$174.7M	0.1%	$166.3B
Millennium	1.3M	$163.0M	0.1%	$240.3B
Balyasny	1.2M	$148.9M	0.2%	$77.1B
ClearBridge	417.0K	$53.3M	0.0%	$114.9B
Two Sigma	341.2K	$43.6M	0.0%	$123.9B
Tudor	332.5K	$42.5M	0.1%	$53.9B
Hudson Bay	292.5K	$37.4M	0.1%	$29.0B
Tudor	291.5K	$37.2M	0.1%	$53.9B
Millennium	232.0K	$29.6M	0.0%	$240.3B
Point72	221.2K	$28.3M	0.0%	$78.1B
Point72	152.0K	$19.4M	0.0%	$78.1B
Balyasny	139.2K	$17.8M	0.0%	$77.1B
Millennium	34.9K	$4.5M	0.0%	$240.3B
Brevan Howard	26.6K	$3.4M	0.0%	$11.3B
AQR Capital	11.8K	$1.5M	0.0%	$218.4B
Neuberger Berman (Eisman)	10.7K	$1.4M	0.0%	$131.4B
Fidelity (FMR)	9.8K	$1.3M	0.0%	$1898.4B
Franklin Templeton	9.1K	$1.2M	0.0%	$408.3B
Schonfeld	7.6K	$976K	0.0%	$14.2B
Man Group	3.3K	$418K	0.0%	$55.1B
Northern Trust	2.0K	$260K	—	$756.6B
Kayne Anderson	291	$37K	0.0%	$34.0B
Hudson Bay	255	$33K	0.0%	$29.0B
BlackRock	200	$26K	—	$5723.5B

XBI

Who Holds XBI

Changes This Quarter