ClearBridge Investments’s Insmed INSM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$76.3M Buy
715,922
+72,487
+11% +$8.78M 0.06% 262
2026
Q1
$105M Sell
643,435
-175,576
-21% -$27M 0.09% 204
2025
Q4
$143M Sell
819,011
-249,007
-23% -$45.4M 0.11% 186
2025
Q3
$154M Sell
1,068,018
-356,544
-25% -$43.7M 0.12% 181
2025
Q2
$143M Sell
1,424,562
-404,166
-22% -$30.9M 0.12% 175
2025
Q1
$140M Sell
1,828,728
-49,722
-3% -$3.8M 0.12% 176
2024
Q4
$130M Buy
1,878,450
+69,683
+4% +$5.02M 0.11% 193
2024
Q3
$132M Buy
1,808,767
+163,819
+10% +$12.1M 0.1% 192
2024
Q2
$110M Buy
1,644,948
+714,539
+77% +$27.7M 0.09% 212
2024
Q1
$25.2M Buy
+930,409
New +$26M 0.02% 433
2020
Q3
Sell
-688
Closed -$19K 873
2020
Q2
$19K Hold
688
﹤0.01% 849
2020
Q1
$11K Sell
688
-23
-3% -$545 ﹤0.01% 937
2019
Q4
$17K Hold
711
﹤0.01% 970
2019
Q3
$13K Hold
711
﹤0.01% 971
2019
Q2
$18K Hold
711
﹤0.01% 953
2019
Q1
$21K Buy
711
+130
+22% +$3.37K ﹤0.01% 948
2018
Q4
$8K Hold
581
﹤0.01% 1034
2018
Q3
$12K Hold
581
﹤0.01% 1046
2018
Q2
$14K Sell
581
-795
-58% -$20.5K ﹤0.01% 1006
2018
Q1
$31K Hold
1,376
﹤0.01% 921
2017
Q4
$43K Hold
1,376
﹤0.01% 866
2017
Q3
$43K Hold
1,376
﹤0.01% 869
2017
Q2
$24K Buy
1,376
+57
+4% +$974 ﹤0.01% 1015
2017
Q1
$23K Hold
1,319
﹤0.01% 986
2016
Q4
$17K Buy
1,319
+20
+2% +$273 ﹤0.01% 1001
2016
Q3
$19K Hold
1,299
﹤0.01% 935
2016
Q2
$13K Buy
1,299
+684
+111% +$7.98K ﹤0.01% 973
2016
Q1
$8K Buy
615
+217
+55% +$2.85K ﹤0.01% 993
2015
Q4
$7K Hold
398
﹤0.01% 1054
2015
Q3
$7K Hold
398
﹤0.01% 1098
2015
Q2
$10K Sell
398
-180
-31% -$4.09K ﹤0.01% 1082
2015
Q1
$12K Hold
578
﹤0.01% 1099
2014
Q4
$9K Hold
578
﹤0.01% 1124
2014
Q3
$8K Hold
578
﹤0.01% 1122
2014
Q2
$12K Buy
578
+20
+4% +$296 ﹤0.01% 1106
2014
Q1
$11K Buy
558
+148
+36% +$2.81K ﹤0.01% 1069
2013
Q4
$7K Hold
410
﹤0.01% 1065
2013
Q3
$6K Buy
+410
New +$5.21K ﹤0.01% 1055

Other funds holding INSM

ClearBridge Investments's INSM Position: Q2 2026 in Review

ClearBridge Investments increased its Insmed (INSM) stake by 11% in Q2 2026, buying an estimated $8.78M and bringing the position to 715,922 shares worth $76.3M. The position accounts for 0.06% of the portfolio, ranked #262.

ClearBridge Investments first reported a position in INSM in Q3 2013 and has held it in 38 quarters since. The position peaked at $154M in Q3 2025. 456 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

  • ClearBridge Investments held 715,922 shares of Insmed worth $76.3M as of Q2 2026.
  • ClearBridge Investments bought 72,487 Insmed shares in Q2 2026, an estimated $8.78M.
  • Insmed made up 0.06% of ClearBridge Investments's portfolio in Q2 2026, its #262 holding.
  • ClearBridge Investments first reported a position in Insmed in Q3 2013 and has held it in 38 quarters since.
  • ClearBridge Investments's Insmed position peaked at $154M in Q3 2025.
  • 456 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on ClearBridge Investments's 13F filing for Q2 2026, filed 13 Aug 2026.