Question 1

Which hedge funds and institutional investors hold VRTX?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for VRTX?

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 VRTX?

Accepted Answer

QoQ changes for VRTX 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	25.4M	$11.3B	1.5%	$732.9B
Capital Research	21.1M	$9.4B	1.5%	$644.6B
State Street	11.7M	$5.2B	0.2%	$2896.4B
Invesco	5.3M	$2.4B	0.6%	$370.7B
ClearBridge	2.7M	$1.2B	1.0%	$114.9B
WCM	1.1M	$496.9M	1.1%	$43.8B
Edgewood	905.1K	$404.2M	2.6%	$15.5B
American Century	813.3K	$363.2M	0.2%	$194.3B
Geode Capital	799.7K	$357.1M	0.0%	$1607.5B
Arrowstreet	639.0K	$285.3M	0.2%	$184.8B
Renaissance Tech	421.7K	$188.3M	0.3%	$63.9B
Two Sigma	378.1K	$168.9M	0.1%	$123.9B
Harding Loevner	313.5K	$140.0M	1.4%	$9.7B
Adage Capital	252.0K	$112.5M	0.2%	$64.8B
DE Shaw	249.0K	$111.2M	0.1%	$166.3B
Man Group	226.1K	$101.0M	0.2%	$55.1B
Citadel	224.1K	$100.1M	0.0%	$618.5B
Marshall Wace	203.3K	$90.8M	0.1%	$100.4B
Citadel	129.3K	$57.7M	0.0%	$618.5B
Millennium	96.9K	$43.3M	0.0%	$240.3B
DFA	69.1K	$30.8M	0.0%	$481.4B
Citadel	68.1K	$30.4M	0.0%	$618.5B
Jennison	59.3K	$26.5M	0.0%	$145.4B
Baillie Gifford	57.3K	$25.6M	0.0%	$97.9B
Millennium	54.6K	$24.4M	0.0%	$240.3B
Hudson Bay	45.0K	$20.1M	0.1%	$29.0B
Wellington	41.6K	$18.6M	0.0%	$535.5B
Tweedy Browne	40.4K	$18.0M	1.4%	$1.3B
Balyasny	40.1K	$17.9M	0.0%	$77.1B
William Blair	39.5K	$17.7M	0.1%	$30.3B
Segall Bryant	38.1K	$17.0M	0.2%	$7.0B
Caxton	36.0K	$16.1M	0.4%	$4.4B
Fisher Investments	31.2K	$13.9M	0.0%	$294.9B
Millennium	30.8K	$13.8M	0.0%	$240.3B
Balyasny	23.7K	$10.6M	0.0%	$77.1B
ExodusPoint	22.4K	$10.0M	0.1%	$12.4B
Gotham Asset	20.9K	$9.3M	0.0%	$32.7B
Point72	16.6K	$7.4M	0.0%	$78.1B
Neuberger Berman (Eisman)	15.5K	$6.9M	0.0%	$131.4B
Bridgewater	13.4K	$6.0M	0.0%	$22.4B
Gabelli	7.9K	$3.5M	0.0%	$14.8B
Balyasny	6.3K	$2.8M	0.0%	$77.1B
Fidelity (FMR)	5.1K	$2.3M	0.0%	$1898.4B
BlackRock	4.0K	$1.8M	—	$5723.5B
Point72	3.6K	$1.6M	0.0%	$78.1B
Brevan Howard	3.2K	$1.4M	0.0%	$11.3B
Kayne Anderson	2.8K	$1.3M	0.0%	$34.0B
Tudor	2.3K	$1.0M	0.0%	$53.9B
Tudor	1.6K	$714K	0.0%	$53.9B
Marshall Wace	1.5K	$670K	0.0%	$100.4B
Marshall Wace	1.4K	$625K	0.0%	$100.4B
Two Sigma	1.0K	$447K	0.0%	$123.9B
AQR Capital	634	$282K	0.0%	$218.4B
Epoch	485	$217K	0.0%	$16.5B
Franklin Templeton	318	$142K	—	$408.3B
Northern Trust	249	$111K	—	$756.6B
Acadian	25.9K	$12K	0.0%	$70.5M

VRTX

Who Holds VRTX

Changes This Quarter