Question 1

Which hedge funds and institutional investors hold NBIX?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for NBIX?

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 NBIX?

Accepted Answer

QoQ changes for NBIX 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
Dodge & Cox	5.5M	$719.4M	0.4%	$182.0B
State Street	4.4M	$573.7M	0.0%	$2896.4B
Two Sigma	3.1M	$403.2M	0.3%	$123.9B
Renaissance Tech	2.4M	$318.7M	0.5%	$63.9B
Millennium	1.2M	$164.3M	0.1%	$240.3B
PRIMECAP	496.3K	$65.4M	0.1%	$127.0B
Geode Capital	373.4K	$49.2M	0.0%	$1607.5B
Gotham Asset	360.1K	$47.4M	0.1%	$32.7B
ClearBridge	310.0K	$40.8M	0.0%	$114.9B
WorldQuant	237.9K	$31.3M	0.1%	$25.9B
Man Group	183.7K	$24.2M	0.0%	$55.1B
American Century	150.3K	$19.8M	0.0%	$194.3B
Bridgewater	148.1K	$19.5M	0.1%	$22.4B
Fisher Investments	122.2K	$16.1M	0.0%	$294.9B
DE Shaw	89.2K	$11.7M	0.0%	$166.3B
Franklin Templeton	80.3K	$10.6M	0.0%	$408.3B
Wellington	79.4K	$10.5M	0.0%	$535.5B
Segall Bryant	56.9K	$7.5M	0.1%	$7.0B
Schonfeld	56.6K	$7.5M	0.1%	$14.2B
Marshall Wace	51.5K	$6.8M	0.0%	$100.4B
DFA	49.7K	$6.5M	0.0%	$481.4B
Citadel	43.3K	$5.7M	0.0%	$618.5B
GMO	35.6K	$4.7M	0.0%	$39.1B
AQR Capital	29.8K	$3.9M	0.0%	$218.4B
PDT Partners	28.8K	$3.8M	0.2%	$1.7B
Citadel	16.4K	$2.2M	0.0%	$618.5B
Northern Trust	15.5K	$2.0M	0.0%	$756.6B
Citadel	13.8K	$1.8M	0.0%	$618.5B
Brevan Howard	10.7K	$1.4M	0.0%	$11.3B
Neuberger Berman (Eisman)	1.8K	$236K	0.0%	$131.4B
Fidelity (FMR)	579	$76K	—	$1898.4B
BlackRock	416	$55K	—	$5723.5B
Acadian	350.7K	$46K	0.1%	$70.5M
Hudson Bay	30	$4K	—	$29.0B

NBIX

Who Holds NBIX

Changes This Quarter