Millennium Management’s Seres Therapeutics MCRB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q2
Sell
-1,478
Closed -$20.7K 6156
2025
Q1
$20.7K Sell
1,478
-89,058
-98% -$1.39M ﹤0.01% 5626
2024
Q4
$1.5M Buy
90,536
+39,438
+77% +$641K ﹤0.01% 3856
2024
Q3
$967K Sell
51,098
-37,782
-43% -$766K ﹤0.01% 4308
2024
Q2
$1.29M Buy
88,880
+37,502
+73% +$626K ﹤0.01% 3905
2024
Q1
$795K Sell
51,378
-59,826
-54% -$1.29M ﹤0.01% 4494
2023
Q4
$3.11M Buy
111,204
+71,803
+182% +$1.89M ﹤0.01% 3208
2023
Q3
$1.88M Sell
39,401
-48,595
-55% -$3.71M ﹤0.01% 3610
2023
Q2
$8.43M Buy
87,996
+67,572
+331% +$7.35M ﹤0.01% 2182
2023
Q1
$2.32M Buy
20,424
+10,150
+99% +$1.1M ﹤0.01% 3295
2022
Q4
$1.15M Buy
+10,274
New +$1.38M ﹤0.01% 4026
2022
Q3
Sell
-54,696
Closed -$3.75M 7329
2022
Q2
$3.75M Buy
54,696
+25,232
+86% +$2.17M ﹤0.01% 3089
2022
Q1
$4.2M Sell
29,464
-33,760
-53% -$5.19M ﹤0.01% 3122
2021
Q4
$10.5M Buy
63,224
+48,818
+339% +$7.76M 0.01% 2093
2021
Q3
$2M Buy
14,406
+4,029
+39% +$788K ﹤0.01% 3921
2021
Q2
$4.95M Sell
10,377
-2,979
-22% -$1.26M ﹤0.01% 2767
2021
Q1
$5.5M Sell
13,356
-2,481
-16% -$1.14M ﹤0.01% 2468
2020
Q4
$7.76M Buy
15,837
+1,743
+12% +$1.02M 0.01% 2024
2020
Q3
$7.98K Sell
14,094
-4,419
-24% -$1.47M 0.01% 1444
2020
Q2
$1.76M Buy
+18,513
New +$1.62M ﹤0.01% 2626
2019
Q3
Sell
-16,093
Closed -$1.04M 4397
2019
Q2
$1.04M Buy
16,093
+1,528
+10% +$145K ﹤0.01% 2790
2019
Q1
$2M Buy
+14,565
New +$1.78M ﹤0.01% 2412
2018
Q4
Sell
-738
Closed -$112K 3998
2018
Q3
$112K Sell
738
-7,871
-91% -$1.27M ﹤0.01% 3727
2018
Q2
$1.48M Buy
8,609
+4,318
+101% +$705K ﹤0.01% 2606
2018
Q1
$630K Sell
4,291
-10,493
-71% -$2.01M ﹤0.01% 2928
2017
Q4
$3M Buy
14,784
+4,247
+40% +$873K ﹤0.01% 2028
2017
Q3
$3.38M Buy
10,537
+1,819
+21% +$497K 0.01% 1880
2017
Q2
$1.97M Sell
8,718
-315
-3% -$64.7K ﹤0.01% 2079
2017
Q1
$2.04M Sell
9,033
-2,213
-20% -$449K ﹤0.01% 2001
2016
Q4
$2.23M Buy
+11,246
New +$2.45M ﹤0.01% 1811
2016
Q2
Sell
-476
Closed -$253K 3409
2016
Q1
$253K Sell
476
-8,299
-95% -$4.33M ﹤0.01% 2855
2015
Q4
$6.16M Buy
8,775
+3,612
+70% +$2.37M 0.01% 1224
2015
Q3
$3.06M Buy
5,163
+1,016
+24% +$829K 0.01% 1637
2015
Q2
$3.44M Buy
+4,147
New +$3.62M 0.01% 1607

Other funds holding MCRB

Millennium Management's MCRB Position: Q2 2025 in Review

Millennium Management sold out of Seres Therapeutics (MCRB) in Q2 2025, closing a stake of 1,478 shares — an estimated $20.7K sold.

Millennium Management first reported a position in MCRB in Q2 2015 and held it in 33 quarters. The position peaked at $10.5M in Q4 2021. 33 funds tracked by Wall St. Rank hold MCRB as of Q2 2025.

  • Millennium Management reported no remaining Seres Therapeutics position as of Q2 2025 after selling out during the quarter.
  • Millennium Management sold 1,478 Seres Therapeutics shares in Q2 2025, an estimated $20.7K.
  • Millennium Management first reported a position in Seres Therapeutics in Q2 2015 and held it in 33 quarters.
  • Millennium Management's Seres Therapeutics position peaked at $10.5M in Q4 2021.
  • 33 funds tracked by Wall St. Rank held Seres Therapeutics as of Q2 2025.

Based on Millennium Management's 13F filing for Q2 2025, filed 14 Aug 2025.