ALNYLAM PHARMACEUTICALS INC (ALNY) Stock Ownership and Short Interest
USA - NASDAQ:ALNY - US02043Q1076 - Common Stock
471.99 USD
-19.23 (-3.91%)
| Shares Outstanding | 131.08M |
| Float | 125.73M |
| Float Short Interest Percentage | 2.96% |
| Owners (insider) | 0.2% |
| Owners (institutional) | 98.86% |
| Owners (insider) change | 0.82% |
| Owners (institutional) change | 0.18% |
Insider Transactions
Top Institutional Holders
Insider Owners
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Oct 2, 2025 | Poulton Jeffrey V. | Open Market Sale | 3821 | 452.05 | $ 1,727,283.60 |
| Oct 2, 2025 | Tanguler Tolga | Open Market Sale | 1405 | 452.05 | $ 635,126.28 |
| Oct 2, 2025 | Greenstreet Yvonne | Open Market Sale | 8924 | 452.05 | $ 4,034,084.66 |
| Oct 2, 2025 | Garg Pushkal | Open Market Sale | 5959 | 451.76 | $ 2,692,061.89 |
| Oct 2, 2025 | Fitzgerald Kevin Joseph | Open Market Sale | 2441 | 452.05 | $ 1,103,451.46 |
| Oct 1, 2025 | Fitzgerald Kevin Joseph | Grant | 4953 | 0.00 | $ 0.00 |
| Oct 1, 2025 | SUPRAN BRYAN | Grant | 13026 | 0.00 | $ 0.00 |
| Oct 1, 2025 | Poulton Jeffrey V. | Grant | 7752 | 0.00 | $ 0.00 |
| Oct 1, 2025 | Tanguler Tolga | Grant | 2851 | 0.00 | $ 0.00 |
| Oct 1, 2025 | Greenstreet Yvonne | Grant | 18112 | 0.00 | $ 0.00 |
| Oct 1, 2025 | Garg Pushkal | Grant | 5959 | 0.00 | $ 0.00 |
| Sep 9, 2025 | Reitan Colleen F | Option Excercise | 18000 | 100.65 | $ 1,811,700.00 |
| Sep 9, 2025 | Reitan Colleen F | Open Market Sale | 18000 | 467.60 | $ 8,416,729.64 |
| Aug 29, 2025 | Tanguler Tolga | Open Market Sale | 3474 | 448.37 | $ 1,557,649.44 |
| Aug 18, 2025 | Garg Pushkal | Open Market Sale | 2851 | 455.89 | $ 1,299,745.87 |
| Aug 18, 2025 | Tanguler Tolga | Open Market Sale | 1396 | 453.27 | $ 632,758.71 |
| Aug 18, 2025 | Greenstreet Yvonne | Open Market Sale | 6979 | 453.27 | $ 3,163,345.74 |
| Aug 18, 2025 | Poulton Jeffrey V. | Open Market Sale | 2274 | 453.27 | $ 1,030,727.12 |
| Aug 18, 2025 | BONNEY MICHAEL W | Option Excercise | 11250 | 70.20 | $ 789,750.00 |
| Aug 18, 2025 | BONNEY MICHAEL W | Open Market Sale | 11250 | 450.00 | $ 5,062,500.00 |
| Aug 18, 2025 | Fitzgerald Kevin Joseph | Open Market Sale | 1396 | 453.27 | $ 632,758.71 |
| Aug 15, 2025 | Garg Pushkal | Grant | 2851 | 0.00 | $ 0.00 |
| Aug 15, 2025 | Tanguler Tolga | Grant | 2851 | 0.00 | $ 0.00 |
| Aug 15, 2025 | Greenstreet Yvonne | Grant | 14252 | 0.00 | $ 0.00 |
| Aug 15, 2025 | Poulton Jeffrey V. | Grant | 4644 | 0.00 | $ 0.00 |
| Aug 15, 2025 | Fitzgerald Kevin Joseph | Grant | 2851 | 0.00 | $ 0.00 |
| Aug 14, 2025 | Ausiello Dennis A | Option Excercise | 31448 | 131.34 | $ 4,130,478.34 |
| Aug 14, 2025 | Ausiello Dennis A | Open Market Sale | 31448 | 436.58 | $ 13,729,535.65 |
| Jul 1, 2025 | Fitzgerald Kevin Joseph | Grant | 7763 | 0.00 | $ 0.00 |
| May 30, 2025 | Greenstreet Yvonne | Option Excercise | 50937 | 118.56 | $ 6,039,206.73 |
| May 30, 2025 | Greenstreet Yvonne | Open Market Sale | 50937 | 305.00 | $ 15,535,784.00 |
| May 16, 2025 | Greenstreet Yvonne | Other Disposition | 8376 | 0.00 | $ 0.00 |
| May 15, 2025 | BONNEY MICHAEL W | Option Excercise | 11250 | 131.21 | $ 1,476,112.50 |
| May 15, 2025 | BONNEY MICHAEL W | Open Market Sale | 11250 | 277.71 | $ 3,124,216.94 |
| May 8, 2025 | KELLOGG PETER N | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | PYOTT DAVID E I | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | Reitan Colleen F | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | SCHULMAN AMY W | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | Sigal Charles Elliott | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | Bertozzi Carolyn R | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | Ausiello Dennis A | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | BONNEY MICHAEL W | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | BRANDICOURT OLIVIER | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | HAMBURG MARGARET A | Grant | 775 | 0.00 | $ 0.00 |
| May 2, 2025 | Greenstreet Yvonne | Other Disposition | 41311 | 0.00 | $ 0.00 |
| Mar 24, 2025 | Garg Pushkal | Option Excercise | 5445 | 42.22 | $ 229,887.90 |
| Mar 24, 2025 | PYOTT DAVID E I | Option Excercise | 7440 | 88.95 | $ 661,788.00 |
| Mar 24, 2025 | PYOTT DAVID E I | Open Market Sale | 7440 | 299.00 | $ 2,224,560.00 |
| Mar 21, 2025 | Garg Pushkal | Open Market Sale | 9766 | 293.36 | $ 2,864,985.00 |
| Mar 13, 2025 | SCHULMAN AMY W | Option Excercise | 2750 | 131.21 | $ 360,827.50 |
| Mar 3, 2025 | Hesslein Robert W. | Grant | 757 | 0.00 | $ 0.00 |
| Mar 3, 2025 | Fitzgerald Kevin Joseph | Grant | 3871 | 0.00 | $ 0.00 |
| Mar 3, 2025 | Fitzgerald Kevin Joseph | Open Market Sale | 2755 | 242.94 | $ 669,304.07 |
| Mar 3, 2025 | Tanguler Tolga | Grant | 14137 | 0.00 | $ 0.00 |
| Mar 3, 2025 | Tanguler Tolga | Open Market Sale | 471 | 243.78 | $ 114,820.42 |
| Mar 3, 2025 | Garg Pushkal | Grant | 14137 | 0.00 | $ 0.00 |
| Mar 3, 2025 | Garg Pushkal | Open Market Sale | 2557 | 242.92 | $ 621,150.40 |
| Mar 3, 2025 | Poulton Jeffrey V. | Grant | 15117 | 0.00 | $ 0.00 |
| Mar 3, 2025 | Poulton Jeffrey V. | Open Market Sale | 1264 | 243.78 | $ 308,140.61 |
| Mar 3, 2025 | Greenstreet Yvonne | Grant | 17965 | 0.00 | $ 0.00 |
| Mar 3, 2025 | Greenstreet Yvonne | Open Market Sale | 3877 | 243.79 | $ 945,164.88 |
| Feb 28, 2025 | Greenstreet Yvonne | Open Market Sale | 2900 | 241.69 | $ 700,893.68 |
| Feb 28, 2025 | Poulton Jeffrey V. | Open Market Sale | 796 | 241.70 | $ 192,389.99 |
| Feb 28, 2025 | Tanguler Tolga | Open Market Sale | 513 | 241.68 | $ 123,983.10 |
| Feb 28, 2025 | Garg Pushkal | Open Market Sale | 935 | 241.69 | $ 225,976.83 |
| Feb 28, 2025 | Fitzgerald Kevin Joseph | Open Market Sale | 496 | 241.69 | $ 119,877.91 |
| Feb 27, 2025 | Greenstreet Yvonne | Option Excercise | 5921 | 0.00 | $ 0.00 |
| Feb 27, 2025 | Poulton Jeffrey V. | Option Excercise | 1908 | 0.00 | $ 0.00 |
| Feb 27, 2025 | Tanguler Tolga | Option Excercise | 1667 | 0.00 | $ 0.00 |
| Feb 27, 2025 | Garg Pushkal | Option Excercise | 1908 | 0.00 | $ 0.00 |
| Feb 14, 2025 | Greenstreet Yvonne | Open Market Sale | 1213 | 255.17 | $ 309,526.58 |
| Feb 14, 2025 | Poulton Jeffrey V. | Open Market Sale | 967 | 255.17 | $ 246,749.79 |
| Feb 14, 2025 | Fitzgerald Kevin Joseph | Open Market Sale | 2103 | 252.71 | $ 531,447.79 |
| Feb 14, 2025 | Garg Pushkal | Open Market Sale | 3109 | 253.43 | $ 787,904.15 |
| Feb 13, 2025 | Greenstreet Yvonne | Grant | 3859 | 0.00 | $ 0.00 |
| Feb 13, 2025 | Poulton Jeffrey V. | Grant | 3109 | 0.00 | $ 0.00 |
| Feb 13, 2025 | Fitzgerald Kevin Joseph | Grant | 2103 | 0.00 | $ 0.00 |
| Feb 13, 2025 | Garg Pushkal | Grant | 3109 | 0.00 | $ 0.00 |
| Jan 27, 2025 | Garg Pushkal | Option Excercise | 48876 | 88.95 | $ 4,347,520.20 |
| Jan 27, 2025 | Garg Pushkal | Open Market Sale | 52592 | 285.00 | $ 14,988,720.00 |
| Jan 23, 2025 | SHARP PHILIP A | Option Excercise | 11250 | 131.21 | $ 1,476,112.50 |
| Jan 23, 2025 | SHARP PHILIP A | Open Market Sale | 11250 | 275.00 | $ 3,093,750.00 |
| Dec 12, 2024 | Garg Pushkal | Open Market Sale | 1752 | 251.00 | $ 439,759.94 |
| Nov 26, 2024 | Garg Pushkal | Open Market Sale | 1682 | 250.98 | $ 422,144.31 |
| Nov 26, 2024 | Tanguler Tolga | Open Market Sale | 1469 | 250.98 | $ 368,685.86 |
| Nov 26, 2024 | Fitzgerald Kevin Joseph | Open Market Sale | 3000 | 251.65 | $ 754,946.54 |
| Nov 26, 2024 | Greenstreet Yvonne | Open Market Sale | 5219 | 250.98 | $ 1,309,852.75 |
| Nov 26, 2024 | Poulton Jeffrey V. | Open Market Sale | 1682 | 250.98 | $ 422,144.31 |
| Nov 25, 2024 | Garg Pushkal | Grant | 3434 | 0.00 | $ 0.00 |
| Nov 25, 2024 | Tanguler Tolga | Grant | 3000 | 0.00 | $ 0.00 |
| Nov 25, 2024 | Fitzgerald Kevin Joseph | Grant | 3000 | 0.00 | $ 0.00 |
| Nov 25, 2024 | Greenstreet Yvonne | Grant | 10658 | 0.00 | $ 0.00 |
| Nov 25, 2024 | Poulton Jeffrey V. | Grant | 3434 | 0.00 | $ 0.00 |