IMRF
BSX icon

Illinois Municipal Retirement Fund’s Boston Scientific BSX Stock Holding History

Illinois Municipal Retirement Fund’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
Q2 		$2.98M Sell
69,807
-79,375
-53% -$4.31M 0.03% 500
2026
Q1 		$9.36M Sell
149,182
-49,866
-25% -$3.99M 0.12% 201
2025
Q4 		$19M Buy
199,048
+35,610
+22% +$3.49M 0.24% 97
2025
Q3 		$16M Sell
163,438
-20,185
-11% -$2.09M 0.2% 117
2025
Q2 		$19.7M Sell
183,623
-33,535
-15% -$3.39M 0.27% 80
2025
Q1 		$21.9M Buy
217,158
+32,356
+18% +$3.26M 0.32% 56
2024
Q4 		$16.5M Buy
184,802
+22,504
+14% +$1.98M 0.23% 93
2024
Q3 		$13.6M Sell
162,298
-6,147
-4% -$485K 0.19% 124
2024
Q2 		$13M Sell
168,445
-75,409
-31% -$5.52M 0.2% 118
2024
Q1 		$16.7M Buy
243,854
+31,223
+15% +$2.01M 0.26% 80
2023
Q4 		$12.3M Sell
212,631
-5,593
-3% -$299K 0.21% 126
2023
Q3 		$11.5M Sell
218,224
-23,248
-10% -$1.22M 0.21% 118
2023
Q2 		$13.1M Buy
241,472
+100,548
+71% +$5.25M 0.26% 94
2023
Q1 		$7.05M Sell
140,924
-4,482
-3% -$211K 0.15% 206
2022
Q4 		$6.73M Buy
145,406
+18,216
+14% +$789K 0.15% 210
2022
Q3 		$4.93M Sell
127,190
-14,855
-10% -$596K 0.12% 229
2022
Q2 		$5.29M Buy
142,045
+79,884
+129% +$3.25M 0.12% 224
2022
Q1 		$2.75M Buy
62,161
+49,324
+384% +$2.14M 0.08% 278
2021
Q4 		$545K Sell
12,837
-53,902
-81% -$2.27M 0.02% 673
2021
Q3 		$2.9M Hold
66,739
– – 0.11% 253
2021
Q2 		$2.85M Buy
66,739
+53,902
+420% +$2.27M 0.12% 242
2021
Q1 		$496K Hold
12,837
– – 0.02% 643
2020
Q4 		$461K Buy
12,837
+6,213
+94% +$224K 0.02% 655
2020
Q3 		$253K Buy
+6,624
New +$255K 0.03% 573
2020
Q1 		– Sell
-18,107
Closed -$819K – 203
2019
Q4 		$819K Buy
+18,107
New +$758K 0.31% 164

Other funds holding BSX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Illinois Municipal Retirement Fund's BSX Position: Q2 2026 in Review

Illinois Municipal Retirement Fund reduced its Boston Scientific (BSX) stake by 53% in Q2 2026, selling an estimated $4.31M and leaving 69,807 shares worth $2.98M. The position accounts for 0.03% of the portfolio, ranked #500.

Illinois Municipal Retirement Fund first reported a position in BSX in Q4 2019 and has held it in 25 quarters since. The position peaked at $21.9M in Q1 2025. 1,487 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

  • Illinois Municipal Retirement Fund held 69,807 shares of Boston Scientific worth $2.98M as of Q2 2026.
  • Illinois Municipal Retirement Fund sold 79,375 Boston Scientific shares in Q2 2026, an estimated $4.31M.
  • Boston Scientific made up 0.03% of Illinois Municipal Retirement Fund's portfolio in Q2 2026, its #500 holding.
  • Illinois Municipal Retirement Fund first reported a position in Boston Scientific in Q4 2019 and has held it in 25 quarters since.
  • Illinois Municipal Retirement Fund's Boston Scientific position peaked at $21.9M in Q1 2025.
  • 1,487 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on Illinois Municipal Retirement Fund's 13F filing for Q2 2026, filed 12 Aug 2026.