WST West Pharmaceutical Services,

Ownership history in RIVERBRIDGE PARTNERS LLC  ·  35 quarters on record

This page tracks every 13F SEC filing in which RIVERBRIDGE PARTNERS LLC reported a position in West Pharmaceutical Services, (WST). 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
2.87% (2021 Q4)
Avg. % of fund
1.82%
First filed
2017 Q2
Last filed
2025 Q4
Quarters held
35
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 318,613 -43,927 -12.1% 1.64% $87.7M $274.89
2025 Q3 REDUCED 362,540 -20,980 -5.5% 1.60% $95.1M $261.88
2025 Q2 REDUCED 383,520 -24,886 -6.1% 1.35% $83.9M $218.25
2025 Q1 REDUCED 408,406 -26,887 -6.2% 1.47% $91.4M $223.09
2024 Q4 REDUCED 435,293 -21,456 -4.7% 1.95% $142.6M $326.20
2024 Q3 REDUCED 456,749 -30,187 -6.2% 1.83% $137.1M $298.72
2024 Q2 REDUCED 486,936 -14,955 -3.0% 2.18% $160.4M $327.59
2024 Q1 ADDED 501,891 +32,646 +7.0% 2.42% $198.6M $393.34
2023 Q4 REDUCED 469,245 -8,295 -1.7% 2.20% $165.2M $349.82
2023 Q3 REDUCED 477,540 -85,963 -15.3% 2.60% $179.2M $372.54
25 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    WST price (monthly, adj. close)
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