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Alnylam Pharmaceuticals

431 hedge funds and large institutions have $18.6B invested in Alnylam Pharmaceuticals in 2021 Q4 according to their latest regulatory filings, with 76 funds opening new positions, 157 increasing their positions, 129 reducing their positions, and 40 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

0.24% less ownership

Funds ownership: 93.9%93.66% (-0.24%)

11% less capital invested

Capital invested by funds: $21B → $18.6B (-$2.35B)

22% less funds holding in top 10

Funds holding in top 10: 97 (-2)

Holders
431
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$249M
Puts
$189M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
276
$506K
277
$498K
278
$490K
279
$489K
280
$482K
281
$482K
282
$479K
283
$475K
284
$473K
285
$456K
286
$422K
287
$412K
288
$410K
289
$407K
290
$397K
291
$392K
292
$383K
293
$382K
294
$371K
295
$370K
296
$362K
297
$360K
298
$360K
299
$343K
300
$343K