INSMED INC

Ticker: INSM CUSIP: 457669307 Class: EQTY

Rock Springs Capital Management LP's Holding History (CIK: 0001595725)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 319,250 Value ($000) $55,562 Avg Close $182.48 Range $143.18 - $212.75
Q3 2025
Shares 385,000 Value ($000) $55,444 Avg Close $122.51 Range $95.01 - $149.08
Q2 2025
Shares 525,000 Value ($000) $52,836 Avg Close $76.46 Range $60.40 - $106.83
Q1 2025
Shares 515,900 Value ($000) $39,358 Avg Close $76.49 Range $61.50 - $84.91
Q4 2024
Shares 550,000 Value ($000) $37,972 Avg Close $72.02 Range $64.86 - $78.83
Q3 2024
Shares 683,344 Value ($000) $49,884 Avg Close $73.80 Range $61.52 - $80.53
Q2 2024
Shares 808,356 Value ($000) $54,160 Avg Close $38.78 Range $21.92 - $70.65
Q4 2019
Shares 800,000 Value ($000) $19,104 Avg Close $20.34 Range $15.99 - $25.04
Q3 2019
Shares 890,000 Value ($000) $15,700 Avg Close $19.31 Range $15.33 - $26.25
Q2 2019
Shares 890,000 Value ($000) $22,784 Avg Close $27.86 Range $22.25 - $33.13
Q1 2019
Shares 850,000 Value ($000) $24,710 Avg Close $25.92 Range $12.85 - $31.50
Q4 2018
Shares 850,000 Value ($000) $11,152 Avg Close $15.96 Range $11.31 - $20.85
Q3 2018
Shares 890,000 Value ($000) $17,996 Avg Close $22.61 Range $18.64 - $31.58
Q2 2018
Shares 825,000 Value ($000) $19,511 Avg Close $25.74 Range $19.53 - $29.75
Q1 2018
Shares 825,000 Value ($000) $18,579 Avg Close $26.32 Range $21.38 - $33.94
Q4 2017
Shares 613,500 Value ($000) $19,129 Avg Close $29.54 Range $25.81 - $32.94
Q3 2017
Shares 650,000 Value ($000) $20,287 Avg Close $19.05 Range $11.49 - $31.39
Q2 2017
Shares 468,000 Value ($000) $8,031 Avg Close $17.08 Range $14.61 - $19.35
Q1 2017
Shares 468,000 Value ($000) $8,195 Avg Close $15.42 Range $12.74 - $17.51
Q4 2016
Shares 468,000 Value ($000) $6,192 Avg Close $13.64 Range $10.21 - $15.49
Q3 2016
Shares 503,000 Value ($000) $7,304 Avg Close $12.52 Range $9.75 - $15.35
Q2 2016
Shares 497,500 Value ($000) $4,905 Avg Close $11.67 Range $9.02 - $14.53
Q1 2016
Shares 450,000 Value ($000) $5,702 Avg Close $13.15 Range $10.53 - $18.60
Q4 2015
Shares 432,500 Value ($000) $7,850 Avg Close $17.62 Range $15.31 - $21.14
Q3 2015
Shares 365,000 Value ($000) $6,778 Avg Close $24.96 Range $17.07 - $28.66
Q2 2015
Shares 365,000 Value ($000) $8,913 Avg Close $22.70 Range $19.87 - $25.39
Q1 2015
Shares 365,000 Value ($000) $7,592 Avg Close $17.62 Range $13.93 - $22.59