John Overdeck’s Seres Therapeutics MCRB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | – | Sell |
-18,794
| Closed | -$167K | – | 5293 |
|
|
2026
Q1 | $167K | Sell |
18,794
-6,955
| -27% | -$81.5K | ﹤0.01% | 4314 |
|
|
2025
Q4 | $383K | Buy |
+25,749
| New | +$449K | ﹤0.01% | 3456 |
|
|
2025
Q2 | – | Sell |
-1,616
| Closed | -$22.6K | – | 3384 |
|
|
2025
Q1 | $22.6K | Buy |
1,616
+395
| +32% | +$6.18K | ﹤0.01% | 3093 |
|
|
2024
Q4 | $20.3K | Buy |
+1,221
| New | +$19.8K | ﹤0.01% | 3108 |
|
|
2024
Q1 | – | Sell |
-17,479
| Closed | -$489K | – | 3235 |
|
|
2023
Q4 | $489K | Buy |
17,479
+16,878
| +2,808% | +$443K | ﹤0.01% | 2474 |
|
|
2023
Q3 | $28.6K | Buy |
+601
| New | +$45.9K | ﹤0.01% | 2852 |
|
|
2022
Q3 | – | Sell |
-16,803
| Closed | -$1.15M | – | 2672 |
|
|
2022
Q2 | $1.15M | Buy |
16,803
+10,395
| +162% | +$896K | ﹤0.01% | 1480 |
|
|
2022
Q1 | $912K | Buy |
6,408
+3,081
| +93% | +$474K | ﹤0.01% | 1750 |
|
|
2021
Q4 | $554K | Sell |
3,327
-46,644
| -93% | -$7.41M | ﹤0.01% | 3148 |
|
|
2021
Q3 | $6.96M | Buy |
49,971
+42,011
| +528% | +$8.22M | 0.02% | 990 |
|
|
2021
Q2 | $3.8M | Sell |
7,960
-2,535
| -24% | -$1.07M | 0.01% | 1373 |
|
|
2021
Q1 | $4.32M | Buy |
10,495
+3,469
| +49% | +$1.6M | 0.01% | 1154 |
|
|
2020
Q4 | $3.44M | Buy |
7,026
+5,660
| +414% | +$3.31M | 0.01% | 1146 |
|
|
2020
Q3 | $774K | Sell |
1,366
-6,556
| -83% | -$2.18M | ﹤0.01% | 1932 |
|
|
2020
Q2 | $754K | Buy |
7,922
+5,659
| +250% | +$497K | ﹤0.01% | 1720 |
|
|
2020
Q1 | $162K | Sell |
2,263
-3,316
| -59% | -$222K | ﹤0.01% | 2722 |
|
|
2019
Q4 | $385K | Buy |
5,579
+784
| +16% | +$58.1K | ﹤0.01% | 3001 |
|
|
2019
Q3 | $385K | Sell |
4,795
-3,767
| -44% | -$249K | ﹤0.01% | 2759 |
|
|
2019
Q2 | $551K | Buy |
8,562
+5,872
| +218% | +$557K | ﹤0.01% | 2425 |
|
|
2019
Q1 | $370K | Buy |
2,690
+1,787
| +198% | +$218K | ﹤0.01% | 2460 |
|
|
2018
Q4 | $82K | Buy |
+903
| New | +$126K | ﹤0.01% | 2832 |
|
|
2018
Q3 | – | Sell |
-1,240
| Closed | -$213K | – | 3432 |
|
|
2018
Q2 | $213K | Buy |
+1,240
| New | +$203K | ﹤0.01% | 3109 |
|
|
2018
Q1 | – | Sell |
-1,922
| Closed | -$390K | – | 3365 |
|
|
2017
Q4 | $390K | Buy |
1,922
+1,362
| +243% | +$280K | ﹤0.01% | 2588 |
|
|
2017
Q3 | $180K | Buy |
+560
| New | +$153K | ﹤0.01% | 2606 |
|
Other funds holding MCRB
FP
LPC
John Overdeck's MCRB Position: Q2 2026 in Review
John Overdeck sold out of Seres Therapeutics (MCRB) in Q2 2026, closing a stake of 18,794 shares — an estimated $167K sold.
John Overdeck first reported a position in MCRB in Q3 2017 and held it in 24 quarters. The position peaked at $6.96M in Q3 2021. 36 funds tracked by Wall St. Rank hold MCRB as of Q2 2026.
- John Overdeck reported no remaining Seres Therapeutics position as of Q2 2026 after selling out during the quarter.
- John Overdeck sold 18,794 Seres Therapeutics shares in Q2 2026, an estimated $167K.
- John Overdeck first reported a position in Seres Therapeutics in Q3 2017 and held it in 24 quarters.
- John Overdeck's Seres Therapeutics position peaked at $6.96M in Q3 2021.
- 36 funds tracked by Wall St. Rank held Seres Therapeutics as of Q2 2026.
Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.