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Ontario Teachers' Pension Plan Board’s Boston Scientific BSX Stock Holding History

Ontario Teachers' Pension Plan Board’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
2026
Q1 		– Sell
-224,925
Closed -$21.4M – 166
2025
Q4 		$21.4M Buy
224,925
+20,121
+10% +$1.97M 0.47% 24
2025
Q3 		$20M Buy
+204,804
New +$21.2M 0.46% 29
2019
Q3 		– Sell
-112,758
Closed -$4.85M – 521
2019
Q2 		$4.85M Buy
112,758
+54,774
+94% +$2.11M 0.09% 207
2019
Q1 		$2.23M Sell
57,984
-61,707
-52% -$2.36M 0.05% 263
2018
Q4 		$4.23M Buy
119,691
+82,031
+218% +$2.98M 0.1% 142
2018
Q3 		$1.45M Sell
37,660
-13,794
-27% -$482K 0.02% 375
2018
Q2 		$1.68M Buy
51,454
+552
+1% +$16.6K 0.02% 354
2018
Q1 		$1.39M Sell
50,902
-235,308
-82% -$6.4M 0.02% 371
2017
Q4 		$7.09M Buy
286,210
+13,839
+5% +$382K 0.09% 239
2017
Q3 		$7.95M Buy
272,371
+94,721
+53% +$2.62M 0.11% 204
2017
Q2 		$4.92M Buy
177,650
+9,799
+6% +$260K 0.06% 304
2017
Q1 		$4.17M Buy
167,851
+64,657
+63% +$1.57M 0.05% 324
2016
Q4 		$2.23M Buy
103,194
+64,197
+165% +$1.4M 0.02% 405
2016
Q3 		$928K Buy
38,997
+3,348
+9% +$79.9K 0.01% 486
2016
Q2 		$833K Buy
35,649
+3,611
+11% +$78.1K 0.01% 494
2016
Q1 		$603K Buy
32,038
+3,224
+11% +$56.6K 0.01% 498
2015
Q4 		$531K Buy
28,814
+5,000
+21% +$89.6K 0.01% 496
2015
Q3 		$391K Sell
23,814
-247,893
-91% -$4.24M ﹤0.01% 539
2015
Q2 		$4.81M Buy
271,707
+64,332
+31% +$1.15M 0.03% 386
2015
Q1 		$3.68M Buy
207,375
+20,600
+11% +$326K 0.03% 420
2014
Q4 		$2.48M Sell
186,775
-60,818
-25% -$777K 0.02% 381
2014
Q3 		$2.92M Buy
247,593
+30,526
+14% +$384K 0.02% 351
2014
Q2 		$2.77M Sell
217,067
-4,496
-2% -$58.5K 0.02% 340
2014
Q1 		$3M Sell
221,563
-54,405
-20% -$714K 0.03% 314
2013
Q4 		$3.32M Sell
275,968
-70,493
-20% -$833K 0.03% 324
2013
Q3 		$4.07M Sell
346,461
-10,709
-3% -$116K 0.03% 317
2013
Q2 		$3.31M Buy
+357,170
New +$3.03M 0.02% 357

Other funds holding BSX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Ontario Teachers' Pension Plan Board's BSX Position: Q1 2026 in Review

Ontario Teachers' Pension Plan Board sold out of Boston Scientific (BSX) in Q1 2026, closing a stake of 224,925 shares — an estimated $21.4M sold.

Ontario Teachers' Pension Plan Board first reported a position in BSX in Q2 2013 and held it in 27 quarters. The position peaked at $21.4M in Q4 2025. 1,666 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • Ontario Teachers' Pension Plan Board reported no remaining Boston Scientific position as of Q1 2026 after selling out during the quarter.
  • Ontario Teachers' Pension Plan Board sold 224,925 Boston Scientific shares in Q1 2026, an estimated $21.4M.
  • Ontario Teachers' Pension Plan Board first reported a position in Boston Scientific in Q2 2013 and held it in 27 quarters.
  • Ontario Teachers' Pension Plan Board's Boston Scientific position peaked at $21.4M in Q4 2025.
  • 1,666 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Ontario Teachers' Pension Plan Board's 13F filing for Q1 2026, filed 11 May 2026.