Parallax Volatility Advisers’s Insmed INSM Stock Holding History

Parallax Volatility Advisers’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 Q1	$14.4M	Hold	102,300	–	–	0.04%	315
2025 Q4	$17.8M	Sell	102,300 -105,500	-51%	-$19.3M	0.04%	329
2025 Q3	$29.9M	Buy	207,800 +22,500	+12%	+$2.76M	0.05%	221
2025 Q2	$18.6M	Hold	185,300	–	–	0.04%	289
2025 Q1	$14.1M	Sell	185,300 -35,100	-16%	-$2.68M	0.04%	358
2024 Q4	$15.2M	Sell	220,400 -103,400	-32%	-$7.45M	0.03%	424
2024 Q3	$23.6M	Sell	323,800 -198,900	-38%	-$14.7M	0.04%	294
2024 Q2	$35M	Buy	522,700 +497,700	+1,991%	+$19.3M	0.08%	194
2024 Q1	$678K	Sell	25,000 -5,100	-17%	-$143K	﹤0.01%	1324
2023 Q4	$933K	Buy	+30,100	New	+$781K	﹤0.01%	1436
2019 Q1	–	Sell	-5,000	Closed	-$66K	–	3379
2018 Q4	$66K	Sell	5,000 -65,000	-93%	-$1.04M	﹤0.01%	2045
2018 Q3	$1.42M	Buy	70,000 +50,000	+250%	+$1.13M	﹤0.01%	1153
2018 Q2	$473K	Buy	+20,000	New	+$515K	﹤0.01%	1281

Other funds holding INSM

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

DGM

Darwin Global Management St. Helier, Jersey $3.77B AUM 307.72% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

BBA

Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return

Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Parallax Volatility Advisers's INSM Position: Q1 2026 in Review

Parallax Volatility Advisers reduced its Insmed (INSM) stake by 92% in Q1 2026, selling an estimated $268K and leaving 150 shares worth $21.1K. The position accounts for ﹤0.01% of the portfolio, ranked #1326.

Parallax Volatility Advisers first reported a position in INSM in Q2 2014 and has held it in 16 quarters since. The position peaked at $12.3M in Q2 2024. 670 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

Parallax Volatility Advisers held 150 shares of Insmed worth $21.1K as of Q1 2026.
Parallax Volatility Advisers sold 1,740 Insmed shares in Q1 2026, an estimated $268K.
Insmed made up ﹤0.01% of Parallax Volatility Advisers's portfolio in Q1 2026, its #1326 holding.
Parallax Volatility Advisers first reported a position in Insmed in Q2 2014 and has held it in 16 quarters since.
Parallax Volatility Advisers's Insmed position peaked at $12.3M in Q2 2024.
670 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

Based on Parallax Volatility Advisers's 13F filing for Q1 2026, filed 15 May 2026.