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Ardsley Advisory Partners’s Boston Scientific BSX Stock Holding History

Ardsley Advisory Partners’s Portfolio BSX Stock Details BSX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2019
Q4 		– Sell
-2,000
Closed -$81K – 154
2019
Q3 		$81K Buy
+2,000
New +$84.7K 0.02% 125

Other funds holding BSX

Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return
Ninety One (UK)
Ninety One (UK) London, United Kingdom $44.7B AUM 17.24% 1-Year Est. Return
ATO
Alecta Tjanstepension Omsesidigt Stockholm, Sweden $23.8B AUM 34.25% 1-Year Est. Return
RG
Rathbones Group Liverpool, United Kingdom $27.1B AUM 20.2% 1-Year Est. Return
Handelsbanken Fonder
Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return
Retirement Systems of Alabama
Retirement Systems of Alabama Montgomery, Alabama $33.2B AUM 38.15% 1-Year Est. Return
YIH
Y-Intercept (HK) Hong Kong $5.05B AUM 17.89% 1-Year Est. Return
BPC
Banque Pictet & Cie Geneva 73, Switzerland $16B AUM 29.1% 1-Year Est. Return
FFM
Fisher Funds Management Auckland, New Zealand $3.52B AUM 17.59% 1-Year Est. Return

Ardsley Advisory Partners's BSX Position: Q2 2026 in Review

Ardsley Advisory Partners sold out of Boston Scientific (BSX) in Q2 2026, closing a stake of 150,000 shares — an estimated $9.41M sold.

Ardsley Advisory Partners first reported a position in BSX in Q4 2013 and held it in 21 quarters. The position peaked at $9.41M in Q1 2026. 425 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

  • Ardsley Advisory Partners reported no remaining Boston Scientific position as of Q2 2026 after selling out during the quarter.
  • Ardsley Advisory Partners sold 150,000 Boston Scientific shares in Q2 2026, an estimated $9.41M.
  • Ardsley Advisory Partners first reported a position in Boston Scientific in Q4 2013 and held it in 21 quarters.
  • Ardsley Advisory Partners's Boston Scientific position peaked at $9.41M in Q1 2026.
  • 425 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on Ardsley Advisory Partners's 13F filing for Q2 2026, filed 13 Jul 2026.