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

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Capital International Investors
Capital International Investors Los Angeles, California $483B AUM 27.72% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $54.9B AUM 27.38% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $474B AUM 32.39% 1-Year Est. Return

Citigroup's INSM Position: Q3 2026 in Review

Citigroup increased its Insmed (INSM) stake by 14% in Q3 2026, buying an estimated $2.84M and bringing the position to 194,357 shares worth $22.2M. The position accounts for 0.01% of the portfolio, ranked #1141.

Citigroup first reported a position in INSM in Q2 2013 and has held it in 54 quarters since. The position peaked at $41.4M in Q4 2025. 547 funds tracked by Wall St. Rank hold INSM as of Q3 2026.

  • Citigroup held 194,357 shares of Insmed worth $22.2M as of Q3 2026.
  • Citigroup bought 24,091 Insmed shares in Q3 2026, an estimated $2.84M.
  • Insmed made up 0.01% of Citigroup's portfolio in Q3 2026, its #1141 holding.
  • Citigroup first reported a position in Insmed in Q2 2013 and has held it in 54 quarters since.
  • Citigroup's Insmed position peaked at $41.4M in Q4 2025.
  • 547 funds tracked by Wall St. Rank held Insmed as of Q3 2026.

Based on Citigroup's 13F filing for Q3 2026, filed 4 Nov 2026.