Group One Trading’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
Q1 | $180K | Buy |
20,300
+500
| +3% | +$5.86K | ﹤0.01% | 4199 |
|
|
2025
Q4 | $295K | Sell |
19,800
-200
| -1% | -$3.49K | ﹤0.01% | 4028 |
|
|
2025
Q3 | $385K | Buy |
20,000
+16,000
| +400% | +$255K | ﹤0.01% | 3952 |
|
|
2025
Q2 | $44.4K | Buy |
4,000
+3,925
| +5,233% | +$34.5K | ﹤0.01% | 5676 |
|
|
2025
Q1 | $1.05K | Sell |
75
-1,425
| -95% | -$22.3K | ﹤0.01% | 7164 |
|
|
2024
Q4 | $24.9K | Sell |
1,500
-1,625
| -52% | -$26.4K | ﹤0.01% | 5550 |
|
|
2024
Q3 | $59.1K | Buy |
3,125
+1,905
| +156% | +$38.6K | ﹤0.01% | 4537 |
|
|
2024
Q2 | $17.7K | Sell |
1,220
-2,410
| -66% | -$40.2K | ﹤0.01% | 5304 |
|
|
2024
Q1 | $56.2K | Buy |
3,630
+3,530
| +3,530% | +$76.1K | ﹤0.01% | 4621 |
|
|
2023
Q4 | $2.8K | Sell |
100
-620
| -86% | -$16.3K | ﹤0.01% | 6719 |
|
|
2023
Q3 | $34.3K | Sell |
720
-7,190
| -91% | -$549K | ﹤0.01% | 5435 |
|
|
2023
Q2 | $758K | Buy |
7,910
+5,020
| +174% | +$546K | ﹤0.01% | 2617 |
|
|
2023
Q1 | $328K | Buy |
2,890
+1,015
| +54% | +$110K | ﹤0.01% | 3175 |
|
|
2022
Q4 | $210K | Buy |
1,875
+1,315
| +235% | +$176K | ﹤0.01% | 3824 |
|
|
2022
Q3 | $72K | Buy |
560
+175
| +45% | +$17.9K | ﹤0.01% | 5089 |
|
|
2022
Q2 | $26K | Sell |
385
-2,350
| -86% | -$202K | ﹤0.01% | 6087 |
|
|
2022
Q1 | $389K | Sell |
2,735
-3,585
| -57% | -$551K | ﹤0.01% | 4081 |
|
|
2021
Q4 | $1.05M | Buy |
6,320
+1,125
| +22% | +$179K | ﹤0.01% | 3307 |
|
|
2021
Q3 | $723K | Buy |
5,195
+4,280
| +468% | +$837K | ﹤0.01% | 3775 |
|
|
2021
Q2 | $436K | Sell |
915
-1,525
| -63% | -$644K | ﹤0.01% | 4364 |
|
|
2021
Q1 | $1M | Sell |
2,440
-510
| -17% | -$235K | ﹤0.01% | 3223 |
|
|
2020
Q4 | $1.45M | Sell |
2,950
-3,420
| -54% | -$2M | ﹤0.01% | 2312 |
|
|
2020
Q3 | $3.61M | Buy |
6,370
+2,600
| +69% | +$865K | 0.01% | 1142 |
|
|
2020
Q2 | $359K | Buy |
+3,770
| New | +$331K | ﹤0.01% | 2888 |
|
|
2019
Q3 | – | Sell |
-385
| Closed | -$25K | – | 5380 |
|
|
2019
Q2 | $25K | Buy |
+385
| New | +$36.5K | ﹤0.01% | 4074 |
|
|
2019
Q1 | – | Sell |
-240
| Closed | -$5K | – | 5120 |
|
|
2018
Q4 | $5K | Buy |
+240
| New | +$33.6K | ﹤0.01% | 4469 |
|
|
2018
Q2 | – | Sell |
-5
| Closed | -$1K | – | 5314 |
|
|
2018
Q1 | $1K | Sell |
5
-80
| -94% | -$15.3K | ﹤0.01% | 4702 |
|
|
2017
Q4 | $17K | Buy |
85
+5
| +6% | +$1.03K | ﹤0.01% | 4209 |
|
|
2017
Q3 | $26K | Buy |
+80
| New | +$21.9K | ﹤0.01% | 3942 |
|
|
2017
Q2 | – | Sell |
-55
| Closed | -$12K | – | 4932 |
|
|
2017
Q1 | $12K | Buy |
55
+50
| +1,000% | +$10.1K | ﹤0.01% | 4067 |
|
|
2016
Q4 | $1K | Sell |
5
-5
| -50% | -$1.09K | ﹤0.01% | 4312 |
|
|
2016
Q3 | $2K | Buy |
+10
| New | +$3.51K | ﹤0.01% | 4372 |
|
Other funds holding MCRB
FP
VCM
VFT
Group One Trading's MCRB Position: Q1 2026 in Review
Group One Trading opened a new position in Seres Therapeutics (MCRB) in Q1 2026: 824 shares worth $7.31K. The stake represents ﹤0.01% of the portfolio and ranks #6536 among its holdings. This is a return to the name: Group One Trading previously reported a position in MCRB as recently as Q2 2025.
Group One Trading first reported a position in MCRB in Q3 2017 and has held it in 20 quarters since. The position peaked at $1.28M in Q1 2021. 33 funds tracked by Wall St. Rank hold MCRB as of Q1 2026.
- Group One Trading held 824 shares of Seres Therapeutics worth $7.31K as of Q1 2026.
- Seres Therapeutics was a new Group One Trading position in Q1 2026.
- Seres Therapeutics made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #6536 holding.
- Group One Trading first reported a position in Seres Therapeutics in Q3 2017 and has held it in 20 quarters since.
- Group One Trading's Seres Therapeutics position peaked at $1.28M in Q1 2021.
- 33 funds tracked by Wall St. Rank held Seres Therapeutics as of Q1 2026.
Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.