Citigroup
INSM icon

Citigroup’s Insmed INSM Stock Holding History

Citigroup’s Portfolio INSM Stock Details INSM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-57,000
Closed -$8.21M – 6249
2025
Q3 		$8.21M Buy
+57,000
New +$6.98M ﹤0.01% 1631
2024
Q1 		– Sell
-30,000
Closed -$930K – 5746
2023
Q4 		$930K Buy
+30,000
New +$778K ﹤0.01% 2882
2023
Q2 		– Sell
-29,800
Closed -$508K – 5640
2023
Q1 		$508K Buy
29,800
+5,000
+20% +$97.1K ﹤0.01% 3118
2022
Q4 		$496K Buy
+24,800
New +$479K ﹤0.01% 3179
2020
Q4 		– Sell
-800
Closed -$26K – 7487
2020
Q3 		$26K Sell
800
-100
-11% -$2.87K ﹤0.01% 6003
2020
Q2 		$25K Sell
900
-1,800
-67% -$42.7K ﹤0.01% 6443
2020
Q1 		$43K Sell
2,700
-39,100
-94% -$927K ﹤0.01% 6109
2019
Q4 		$998K Hold
41,800
– – ﹤0.01% 3756
2019
Q3 		$737K Sell
41,800
-6,500
-13% -$126K ﹤0.01% 3969
2019
Q2 		$1.24M Buy
48,300
+10,700
+28% +$298K ﹤0.01% 3387
2019
Q1 		$1.09M Buy
37,600
+21,200
+129% +$549K ﹤0.01% 3301
2018
Q4 		$215K Sell
16,400
-4,800
-23% -$76.6K ﹤0.01% 4951
2018
Q3 		$429K Buy
21,200
+12,900
+155% +$291K ﹤0.01% 4463
2018
Q2 		$196K Sell
8,300
-1,900
-19% -$48.9K ﹤0.01% 5082
2018
Q1 		$230K Sell
10,200
-25,500
-71% -$671K ﹤0.01% 4826
2017
Q4 		$1.11M Sell
35,700
-42,800
-55% -$1.26M ﹤0.01% 3235
2017
Q3 		$2.45M Buy
78,500
+52,300
+200% +$996K ﹤0.01% 2441
2017
Q2 		$450K Buy
26,200
+2,000
+8% +$34.2K ﹤0.01% 4084
2017
Q1 		$424K Buy
+24,200
New +$373K ﹤0.01% 4010
2016
Q3 		– Sell
-700
Closed -$7K – 7116
2016
Q2 		$7K Hold
700
– – ﹤0.01% 6680
2016
Q1 		$9K Hold
700
– – ﹤0.01% 6829
2015
Q4 		$13K Buy
+700
New +$12.3K ﹤0.01% 6687

Other funds holding INSM

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
DGM
Darwin Global Management St. Helier, Jersey $3.76B AUM 342.13% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
OAG
Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return

Citigroup's INSM Position: Q2 2026 in Review

Citigroup reduced its Insmed (INSM) stake by 27% in Q2 2026, selling an estimated $7.63M and leaving 170,266 shares worth $18.2M. The position accounts for 0.01% of the portfolio, ranked #1217.

Citigroup first reported a position in INSM in Q2 2013 and has held it in 53 quarters since. The position peaked at $41.4M in Q4 2025. 666 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

  • Citigroup held 170,266 shares of Insmed worth $18.2M as of Q2 2026.
  • Citigroup sold 63,038 Insmed shares in Q2 2026, an estimated $7.63M.
  • Insmed made up 0.01% of Citigroup's portfolio in Q2 2026, its #1217 holding.
  • Citigroup first reported a position in Insmed in Q2 2013 and has held it in 53 quarters since.
  • Citigroup's Insmed position peaked at $41.4M in Q4 2025.
  • 666 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on Citigroup's 13F filing for Q2 2026, filed 3 Aug 2026.