Siren, L.L.C. Portfolio Holdings

Siren, L.L.C.

  • $1.76 Trillion
  • Q1 2025

Siren, L.L.C. has filed its 13F form on May 14, 2025 for Q1 2025 where it was disclosed a total value porftolio of $1.76 Trillion distributed in 117 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Scholar Rock Holding Corp with a value of $297B, Bei Gene, Ltd. with a value of $136B, Kymera Therapeutics, Inc. with a value of $88.7B, Blueprint Medicines Corp with a value of $64.3B, and Crinetics Pharmaceuticals, Inc. with a value of $56.6B.

Examining the 13F form we can see an decrease of $507B in the current position value, from $2.26T to 1.76T.

Siren, L.L.C. is based out at New York, NY

Below you can find more details about Siren, L.L.C. portfolio as well as his latest detailed transactions.

Portfolio value $1.76 Trillion
Technology: $90.5 Billion
Communication Services: $49.6 Billion
Consumer Cyclical: $21.5 Billion
Financial Services: $4.29 Billion
Consumer Defensive: $3.8 Billion
Real Estate: $2.11 Billion
Industrials: $853 Million
Energy: $494 Million
Other: $162 Million

Stock Holdings Table Market Cap. of $50 Millions to $300 Millions

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$267M
$15.9 Billion 0.9% of portfolio
1,283,555
Q1 2025 Added 16.7%
$237M
$15.4 Billion 0.88% of portfolio
1,812,752
Q1 2025 Reduced 1.45%
$172M
$12 Billion 0.68% of portfolio
8,757,249
Q1 2025 Reduced 1.13%
$125M
$9.06 Billion 0.52% of portfolio
6,514,737
Q1 2025 Reduced 1.33%
$190M
$7.87 Billion 0.45% of portfolio
2,789,833
Q1 2025 Reduced 1.48%
$118M
$6.76 Billion 0.38% of portfolio
4,000,000
Q3 2024 New
$120M
$5.73 Billion 0.33% of portfolio
5,208,968
Q4 2024 Reduced 60.78%
$218M
$3.94 Billion 0.22% of portfolio
591,263
Q1 2025 Reduced 1.46%
$224M
$3.5 Billion 0.2% of portfolio
1,967,064
Q1 2025 Reduced 1.2%
$183M
$2.63 Billion 0.15% of portfolio
720,720
Q3 2024 New
$135M
$2.06 Billion 0.12% of portfolio
1,552,183
Q1 2025 Reduced 1.45%
$130M
$1.62 Billion 0.09% of portfolio
3,516,214
Q1 2025 Added 1,006.84%
$84.7M
$1.62 Billion 0.09% of portfolio
1,046,517
Q3 2024 New
$50.5M
$695 Million 0.04% of portfolio
842,954
Q3 2024 New
$71.8M
$96.2 Million 0.01% of portfolio
105,347
Q3 2024 New
$103M
$162 Million 0.01% of portfolio
110,532
Q3 2024 New

Summary

  • Portfolio
  • No. of Stocks 117
  • Current Value $1.76 Trillion
  • Prior Value $2.26 Trillion
  • Filing
  • Period Q1 2025
  • Filing Date May 14, 2025
  • Form Type 13F-HR
  • Activity in Q1 2025
  • New Purchases 24 stocks
  • Additional Purchases 28 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 41 stocks
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