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 | $314K | Sell |
35,400
-115,800
| -77% | -$1.36M | ﹤0.01% | 3755 |
|
|
2025
Q4 | $2.25M | Buy |
151,200
+53,400
| +55% | +$931K | ﹤0.01% | 2191 |
|
|
2025
Q3 | $1.88M | Buy |
97,800
+69,500
| +246% | +$1.11M | ﹤0.01% | 2383 |
|
|
2025
Q2 | $314K | Buy |
28,300
+26,575
| +1,541% | +$234K | ﹤0.01% | 3876 |
|
|
2025
Q1 | $24.2K | Sell |
1,725
-4,485
| -72% | -$70.2K | ﹤0.01% | 5691 |
|
|
2024
Q4 | $103K | Sell |
6,210
-32,870
| -84% | -$534K | ﹤0.01% | 4492 |
|
|
2024
Q3 | $739K | Buy |
39,080
+36,660
| +1,515% | +$744K | ﹤0.01% | 2557 |
|
|
2024
Q2 | $35K | Sell |
2,420
-18,205
| -88% | -$304K | ﹤0.01% | 4790 |
|
|
2024
Q1 | $319K | Buy |
20,625
+17,385
| +537% | +$375K | ﹤0.01% | 3161 |
|
|
2023
Q4 | $90.7K | Sell |
3,240
-53,860
| -94% | -$1.41M | ﹤0.01% | 4555 |
|
|
2023
Q3 | $2.72M | Buy |
57,100
+11,165
| +24% | +$852K | 0.01% | 1388 |
|
|
2023
Q2 | $4.4M | Buy |
45,935
+44,950
| +4,563% | +$4.89M | 0.01% | 1051 |
|
|
2023
Q1 | $112K | Sell |
985
-265
| -21% | -$28.7K | ﹤0.01% | 4214 |
|
|
2022
Q4 | $140K | Sell |
1,250
-265
| -17% | -$35.5K | ﹤0.01% | 4152 |
|
|
2022
Q3 | $195K | Buy |
1,515
+245
| +19% | +$25.1K | ﹤0.01% | 4165 |
|
|
2022
Q2 | $87K | Buy |
1,270
+645
| +103% | +$55.6K | ﹤0.01% | 5114 |
|
|
2022
Q1 | $89K | Sell |
625
-1,515
| -71% | -$233K | ﹤0.01% | 5607 |
|
|
2021
Q4 | $357K | Sell |
2,140
-3,700
| -63% | -$588K | ﹤0.01% | 4493 |
|
|
2021
Q3 | $813K | Sell |
5,840
-4,035
| -41% | -$790K | ﹤0.01% | 3641 |
|
|
2021
Q2 | $4.71M | Sell |
9,875
-560
| -5% | -$236K | 0.01% | 1745 |
|
|
2021
Q1 | $4.3M | Buy |
10,435
+9,560
| +1,093% | +$4.4M | 0.01% | 1677 |
|
|
2020
Q4 | $429K | Sell |
875
-22,810
| -96% | -$13.4M | ﹤0.01% | 3406 |
|
|
2020
Q3 | $13.4M | Buy |
23,685
+23,260
| +5,473% | +$7.74M | 0.04% | 405 |
|
|
2020
Q2 | $40K | Buy |
+425
| New | +$37.3K | ﹤0.01% | 4496 |
|
|
2019
Q4 | – | Sell |
-1,490
| Closed | -$120K | – | 5409 |
|
|
2019
Q3 | $120K | Sell |
1,490
-4,225
| -74% | -$279K | ﹤0.01% | 3440 |
|
|
2019
Q2 | $368K | Buy |
+5,715
| New | +$542K | ﹤0.01% | 2416 |
|
|
2018
Q4 | – | Sell |
-5
| Closed | -$1K | – | 5185 |
|
|
2018
Q3 | $1K | Hold |
5
| – | – | ﹤0.01% | 5074 |
|
|
2018
Q2 | $1K | Sell |
5
-835
| -99% | -$136K | ﹤0.01% | 4992 |
|
|
2018
Q1 | $123K | Sell |
840
-70
| -8% | -$13.4K | ﹤0.01% | 3117 |
|
|
2017
Q4 | $185K | Buy |
910
+885
| +3,540% | +$182K | ﹤0.01% | 2969 |
|
|
2017
Q3 | $8K | Sell |
25
-180
| -88% | -$49.2K | ﹤0.01% | 4354 |
|
|
2017
Q2 | $46K | Sell |
205
-530
| -72% | -$109K | ﹤0.01% | 3547 |
|
|
2017
Q1 | $166K | Buy |
735
+370
| +101% | +$75.1K | ﹤0.01% | 2658 |
|
|
2016
Q4 | $72K | Buy |
365
+90
| +33% | +$19.6K | ﹤0.01% | 3030 |
|
|
2016
Q3 | $68K | Buy |
+275
| New | +$96.5K | ﹤0.01% | 3161 |
|
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.