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Alnylam Pharmaceuticals, Inc.

ALNY Healthcare
$297.45 $-3.06 (-1.02%)
Market Cap: $39.71 B
Gurus Holding
6
Popularity Rank
#1632
% of Shares Held
0.82%
Net Activity (Q1 2026)
+$5.26 M

Guru Ownership Trend

Guru Analysis for Alnylam Pharmaceuticals, Inc. (ALNY)

Alnylam Pharmaceuticals, Inc. (ALNY), a key player in the Healthcare sector, continues to attract institutional attention.

As of Q1 2026, a total of 6 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $326.38 M.

Top institutional holders include Cliff Asness and Ray Dalio.

Institutional sentiment is currently Bullish. This is evidenced by a $5.26 M net inflow during the quarter.

Recent activity highlights Ken Fisher who opened a new position. Conversely, Murray Stahl reduced exposure by 4.4%.

Key Holders

Top 5 by Value

$297.87 M
$35.27 M
$14.46 M
$8.45 M
$2 M

Top 5 by Conviction

Recent Activity Breakdown (Q1 2026)

+$10.29 M
Total Buy Value
New Buys 1
Additions 2
-$5.03 M
Total Sell Value
Reductions 3
Sold Out 1

Guru Consensus (Q1 2026)

Based on recent activity
Net Sellers
4
Net Buyers
3

FAQs for Alnylam Pharmaceuticals, Inc. (ALNY)

Major holders include Cliff Asness ($297.87 M), Ray Dalio ($35.27 M), Joel Greenblatt ($14.46 M). According to the latest reported data, 6 tracked investment managers collectively hold approximately 1.1 M shares.

According to the latest 13F reporting period, sentiment appears Bullish (Net Buying). There was a net inflow of $5.26 M, with 3 managers increasing positions and 4 managers reducing holdings.

During the most recent reporting period, 3 managers trimmed their positions, while 1 fully exited ALNY. The total reported sell value was $5.03 M.

Yes, 1 managers opened new positions in ALNY, and 2 increased their existing holdings. The total reported buy value was $10.29 M.

Portfolio Manager % Portfolio Activity Shares Value Report Date
0.14% Reduce -0.8% 913,104 $297.87 M Q1 2026
0.16% Add 24.5% 106,592 $35.27 M Q1 2026
0.04% Add 10.3% 43,710 $14.46 M Q1 2026
0.06% Reduce -2.9% 25,553 $8.45 M Q1 2026
0.00% New Buy 6,045 $2 M Q1 2026
0.01% Reduce -4.4% 2,272 $751,737 Q1 2026
Date
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Value
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