IONS — IONIS PHARMACEUTICALS INC

Ownership history in Bayesian Capital Management, LP  ·  8 quarters on record

This page tracks every 13F SEC filing in which Bayesian Capital Management, LP reported a position in IONIS PHARMACEUTICALS INC (IONS). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.33% (2025 Q3)
Avg. % of fund
0.11%
First filed
2016 Q4
Last filed
2025 Q3
Quarters held
8
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 24,715 +8,115 +48.9% 0.33% $1.6M $65.42
2025 Q2 ADDED 16,600 +8,100 +95.3% 0.10% $656K $39.51
2025 Q1 REDUCED 8,500 -12,727 -60.0% 0.04% $256K $30.17
2023 Q1 ADDED 21,227 +12,164 +134.2% 0.09% $759K $35.74
4 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    IONS price (monthly, adj. close)

Other funds also holding IONS

As of 2025 Q4 — sorted by position size

Tweedy, Browne Co LLC 3Y 7Y 15.74% BOONE CAPITAL MANAGEMENT LLC 3Y 10.37% Bellevue Group AG 3Y 7Y 7.2% Tri Locum Partners LP 3Y 5.72% Orion Investment Co 5.43% Exome Asset Management LLC 4.41% Privium Fund Management B.V. 3Y 3.51% Sicart Associates LLC 3Y 7Y 3.43% SECTOR GAMMA AS 3Y 7Y 3.34% SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC 3Y 7Y 2.41%
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