BAMCO Inc’s Insmed INSM Stock Holding History

BAMCO Inc’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
2026 Q2	$1.07M	Sell	10,000 -10,000	-50%	-$1.21M	﹤0.01%	297
2026 Q1	$3.27M	Sell	20,000 -18,200	-48%	-$2.8M	0.01%	267
2025 Q4	$6.65M	Hold	38,200	–	–	0.02%	244
2025 Q3	$5.5M	Buy	38,200 +1,500	+4%	+$184K	0.01%	253
2025 Q2	$3.69M	Sell	36,700 -23,300	-39%	-$1.78M	0.01%	259
2025 Q1	$4.58M	Hold	60,000	–	–	0.01%	261
2024 Q4	$4.14M	Buy	60,000 +19,500	+48%	+$1.4M	0.01%	258
2024 Q3	$2.96M	Buy	+40,500	New	+$2.99M	0.01%	280

Other funds holding INSM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

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 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 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

BAMCO Inc's INSM Position: Q2 2026 in Review

BAMCO Inc reduced its Insmed (INSM) stake by 50% in Q2 2026, selling an estimated $1.21M and leaving 10,000 shares worth $1.07M. The position accounts for ﹤0.01% of the portfolio, ranked #297.

BAMCO Inc first reported a position in INSM in Q3 2024 and has held it in 8 quarters since. The position peaked at $6.65M in Q4 2025. 664 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

BAMCO Inc held 10,000 shares of Insmed worth $1.07M as of Q2 2026.
BAMCO Inc sold 10,000 Insmed shares in Q2 2026, an estimated $1.21M.
Insmed made up ﹤0.01% of BAMCO Inc's portfolio in Q2 2026, its #297 holding.
BAMCO Inc first reported a position in Insmed in Q3 2024 and has held it in 8 quarters since.
BAMCO Inc's Insmed position peaked at $6.65M in Q4 2025.
664 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on BAMCO Inc's 13F filing for Q2 2026, filed 14 Aug 2026.