Total advertising spent by top donors FOR 61: $16,764,986.00
Total advertising spent by top donors AGAINST: $69,810,798.00

Who were those "Top Donors"?

Top Donors advertising FOR:

AIDS Healthcare Foundation $16,709,556.00
California Nurses Association PAC (CNA-PAC) $55,430.00


Top Donors advertising AGAINST:

Merck & Co. Inc. $9,420,395.00
Pfizer, Inc. $9,420,395.00
Johnson & Johnson $9,301,646.00
Amgen Inc. $7,670,768.00
AbbVie Inc. $6,859,873.00
Sanofi-Aventis U.S. LLC $6,720,945.00
AstraZeneca Pharmaceuticals LP $6,080,535.00
Allergan USA Inc. $5,079,332.00
Novartis Pharmaceuticals Corporation $4,728,302.00
Glaxosmithkline $4,528,527.00

https://ballotpedia.org/California_Proposition_61,_Drug_Price_Standards_(2016)

I don't know about you, but I do know which "analysis" I'd believe.