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Alnylam Pharma (ALNY)
NASDAQ
$288.25+$1.83 (+0.64%)
Price as of Jun 23, 2026 5:54 PM EDT- $38.2BMarket Cap
- -8.53%1-Year Change
- BiotechnologyIndustry
Alnylam Pharma (ALNY)
$288.25+$1.83 (+0.64%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
FMR LLC | 10.92% | 14.6M | -1.3M (-9.07%) | Mar 31, 2026 |
VANGUARD GROUP INC | 10.15% | 13.6M | -11,520 (-0.08%) | Dec 31, 2025 |
CAPITAL WORLD INVESTORS | 8.09% | 10.8M | -5.5M (-50.91%) | Mar 31, 2026 |
BLACKROCK, INC. | 7.82% | 10.4M | +44,034 (+0.42%) | Mar 31, 2026 |
BLACKROCK FUNDING, INC. /DE | 7.40% | 9.9M | +177,839 (+1.80%) | Dec 31, 2024 |
BLACKROCK INC. | 7.15% | 9.5M | +522,656 (+5.47%) | Jun 30, 2024 |
CAPITAL RESEARCH GLOBAL INVESTORS | 7.09% | 9.5M | +2.7M (+28.42%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST) | 26.47% | 35.3M | 0 (0.00%) | Feb 28, 2026 |
CALAMOS INVESTMENT TRUST/IL | 23.63% | 31.5M | 0 (0.00%) | Jan 31, 2026 |
LORD ABBETT INVESTMENT TRUST | 10.24% | 13.7M | 0 (0.00%) | Feb 28, 2026 |
Virtus Investment Trust | 9.30% | 12.4M | 0 (0.00%) | Mar 31, 2026 |
COLUMBIA FUNDS SERIES TRUST | 8.52% | 11.4M | 0 (0.00%) | Jan 31, 2026 |
VANGUARD INDEX FUNDS | 8.46% | 11.3M | +47,668 (+0.42%) | Mar 31, 2026 |
CALAMOS STRATEGIC TOTAL RETURN FUND | 6.61% | 8.8M | 0 (0.00%) | Jan 31, 2026 |
Current Ownership Distribution
- Mutual Funds2.3B (50.47%)
- Institutions2.2B (49.17%)
- Insiders16.4M (0.37%)
- Other0 (0.00%)
Insider Transactions
- 0.37% (16.4M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 9Number of InsiderSelling (last 12 months)
- $5.4BAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
McLaughlin Melissa Chief Human Resources Officer | Sell | Apr 06, 2026 | $17,927.84 | 56 | $320.14 | 11,673 |
McLaughlin Melissa Chief Human Resources Officer | Sell | Apr 06, 2026 | $299,751.84 | 909 | $329.76 | 10,764 |
McLaughlin Melissa Chief Human Resources Officer | Sell | Apr 06, 2026 | $273,951.34 | 829 | $330.46 | 9,935 |
McLaughlin Melissa Chief Human Resources Officer | Sell | Apr 06, 2026 | $97,243.77 | 293 | $331.89 | 9,642 |
McLaughlin Melissa Chief Human Resources Officer | Sell | Apr 06, 2026 | $66,454.06 | 199 | $333.94 | 9,443 |
McLaughlin Melissa Chief Human Resources Officer | Sell | Apr 02, 2026 | $83,901.65 | 265 | $316.61 | 13,088 |
McLaughlin Melissa Chief Human Resources Officer | Sell | Apr 02, 2026 | $113,960.96 | 359 | $317.44 | 12,729 |
McLaughlin Melissa Chief Human Resources Officer | Sell | Apr 02, 2026 | $66,560.23 | 209 | $318.47 | 12,520 |
McLaughlin Melissa Chief Human Resources Officer | Sell | Apr 02, 2026 | $27,493.34 | 86 | $319.69 | 12,434 |
McLaughlin Melissa Chief Human Resources Officer | Sell | Apr 02, 2026 | $47,131.14 | 147 | $320.62 | 12,287 |
McLaughlin Melissa Chief Human Resources Officer | Sell | Apr 02, 2026 | $72,047.36 | 224 | $321.64 | 12,063 |
McLaughlin Melissa Chief Human Resources Officer | Sell | Apr 02, 2026 | $79,100.70 | 245 | $322.86 | 11,818 |
McLaughlin Melissa Chief Human Resources Officer | Sell | Apr 02, 2026 | $26,214.84 | 81 | $323.64 | 11,737 |
McLaughlin Melissa Chief Human Resources Officer | Sell | Apr 02, 2026 | $2,603.92 | 8 | $325.49 | 11,729 |
Garg Pushkal EVP Chief R&D | Sell | Mar 05, 2026 | $210,803.82 | 654 | $322.33 | 20,443 |
Fitzgerald Kevin Joseph CSO & EVP, Head of Research | Sell | Mar 05, 2026 | $39,904.44 | 124 | $321.81 | 21,103 |
Garg Pushkal EVP Chief R&D | Sell | Mar 05, 2026 | $239,427.00 | 740 | $323.55 | 19,703 |
Fitzgerald Kevin Joseph CSO & EVP, Head of Research | Sell | Mar 05, 2026 | $75,317.25 | 233 | $323.25 | 20,870 |
Garg Pushkal EVP Chief R&D | Sell | Mar 05, 2026 | $165,540.90 | 510 | $324.59 | 19,193 |
Fitzgerald Kevin Joseph CSO & EVP, Head of Research | Sell | Mar 05, 2026 | $48,040.80 | 148 | $324.60 | 20,722 |
Garg Pushkal EVP Chief R&D | Sell | Mar 05, 2026 | $163,040.00 | 500 | $326.08 | 18,693 |
Fitzgerald Kevin Joseph CSO & EVP, Head of Research | Sell | Mar 05, 2026 | $49,914.72 | 153 | $326.24 | 20,569 |
Greenstreet Yvonne Chief Executive Officer | Sell | Mar 04, 2026 | $43,069.05 | 135 | $319.03 | 98,493 |
Tanguler Tolga EVP, Chief Commercial Officer | Sell | Mar 04, 2026 | $33,817.18 | 106 | $319.03 | 36,500 |
Garg Pushkal EVP Chief R&D | Sell | Mar 04, 2026 | $33,817.18 | 106 | $319.03 | 23,300 |
Poulton Jeffrey V. EVP, Chief Financial Officer | Sell | Mar 04, 2026 | $36,369.42 | 114 | $319.03 | 64,159 |
Greenstreet Yvonne Chief Executive Officer | Sell | Mar 04, 2026 | $41,281.29 | 129 | $320.01 | 98,364 |
Tanguler Tolga EVP, Chief Commercial Officer | Sell | Mar 04, 2026 | $32,641.02 | 102 | $320.01 | 36,398 |
Garg Pushkal EVP Chief R&D | Sell | Mar 04, 2026 | $32,641.02 | 102 | $320.01 | 23,198 |
Fitzgerald Kevin Joseph CSO & EVP, Head of Research | Sell | Mar 04, 2026 | $9,251.87 | 29 | $319.03 | 21,831 |