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Insmed Incorporated

INSM Healthcare
$144.84 +$5.34 (3.83%)
Market Cap: $31.22 B
Gurus Holding
6
Popularity Rank
#1416
% of Shares Held
1.38%
Net Activity (Q4 2025)
-$210.73 M

Guru Ownership Trend

Guru Analysis for Insmed Incorporated (INSM)

Insmed Incorporated (INSM), a key player in the Healthcare sector, continues to attract institutional attention.

As of Q4 2025, a total of 6 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $432.16 M.

Top institutional holders include Stanley Druckenmiller and Jefferies Group.

Notably, Stanley Druckenmiller has expressed high conviction in this stock, allocating 5.74% of their equity portfolio to it.

Institutional sentiment is currently Bearish. This is evidenced by a $210.73 M net outflow during the quarter.

Recent activity highlights Joel Greenblatt who dramatically increased their stake. Conversely, Renaissance Technologies reduced exposure by 92.7%.

Key Holders

Top 5 by Value

Top 5 by Conviction

Recent Activity Breakdown (Q4 2025)

+$177.4 M
Total Buy Value
New Buys 0
Additions 3
-$388.13 M
Total Sell Value
Reductions 3
Sold Out 3

Guru Consensus (Q4 2025)

Based on recent activity
Net Sellers
6
Net Buyers
3

FAQs for Insmed Incorporated (INSM)

Major holders include Stanley Druckenmiller ($257.88 M), Jefferies Group ($161.22 M), Cliff Asness ($81.5 M). According to the latest reported data, 6 tracked investment managers collectively hold approximately 2.98 M shares.

According to the latest 13F reporting period, sentiment appears Bearish (Net Selling). There was a net outflow of $210.73 M, with 3 managers increasing positions and 6 managers reducing holdings.

During the most recent reporting period, 3 managers trimmed their positions, while 3 fully exited INSM. The total reported sell value was $388.13 M.

Yes, 0 managers opened new positions in INSM, and 3 increased their existing holdings. The total reported buy value was $177.4 M.

Portfolio Manager % Portfolio Activity Shares Value Report Date
5.74% Reduce -38.9% 1,481,752 $257.88 M Q4 2025
0.82% Add 757.0% 926,339 $161.22 M Q4 2025
0.04% Add 63.0% 468,260 $81.5 M Q4 2025
0.11% Reduce -35.4% 59,705 $10.39 M Q4 2025
0.01% Reduce -92.7% 25,900 $4.51 M Q4 2025
0.01% Add 1219.7% 21,762 $3.79 M Q4 2025
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