Bank of America
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Bank of America’s Seres Therapeutics MCRB Stock Holding History

Bank of America’s Portfolio MCRB Stock Details MCRB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-195
Closed -$2.9K – 6414
2025
Q4 		$2.9K Sell
195
-5,148
-96% -$89.8K ﹤0.01% 6353
2025
Q3 		$103K Buy
5,343
+5,157
+2,773% +$82.3K ﹤0.01% 6580
2025
Q2 		$2.07K Sell
186
-112
-38% -$986 ﹤0.01% 7428
2025
Q1 		$4.17K Buy
298
+108
+57% +$1.69K ﹤0.01% 7244
2024
Q4 		$3.15K Sell
190
-5,917
-97% -$96.2K ﹤0.01% 7146
2024
Q3 		$116K Buy
6,107
+855
+16% +$17.3K ﹤0.01% 6270
2024
Q2 		$75.9K Sell
5,252
-77,496
-94% -$1.29M ﹤0.01% 6370
2024
Q1 		$1.28M Sell
82,748
-35,374
-30% -$763K ﹤0.01% 4775
2023
Q4 		$3.31M Buy
118,122
+55,402
+88% +$1.45M ﹤0.01% 3917
2023
Q3 		$2.99M Buy
62,720
+3,025
+5% +$231K ﹤0.01% 3875
2023
Q2 		$5.72M Buy
59,695
+39,335
+193% +$4.28M ﹤0.01% 3269
2023
Q1 		$2.31M Buy
20,360
+2,350
+13% +$254K ﹤0.01% 4224
2022
Q4 		$2.02M Buy
18,010
+6,168
+52% +$827K ﹤0.01% 4245
2022
Q3 		$1.52M Buy
11,842
+7,424
+168% +$760K ﹤0.01% 4525
2022
Q2 		$303K Sell
4,418
-6,752
-60% -$582K ﹤0.01% 5794
2022
Q1 		$1.59M Buy
11,170
+5,010
+81% +$771K ﹤0.01% 4810
2021
Q4 		$1.03M Sell
6,160
-6,256
-50% -$994K ﹤0.01% 5210
2021
Q3 		$1.73M Buy
12,416
+4,953
+66% +$969K ﹤0.01% 4576
2021
Q2 		$3.56M Sell
7,463
-137
-2% -$57.8K ﹤0.01% 3831
2021
Q1 		$3.13M Sell
7,600
-1,083
-12% -$499K ﹤0.01% 3853
2020
Q4 		$4.25M Buy
8,683
+7,662
+750% +$4.49M ﹤0.01% 3280
2020
Q3 		$578K Buy
1,021
+461
+82% +$153K ﹤0.01% 4597
2020
Q2 		$54K Buy
560
+141
+34% +$12.4K ﹤0.01% 5951
2020
Q1 		$30K Sell
419
-62
-13% -$4.16K ﹤0.01% 6040
2019
Q4 		$33K Sell
481
-180
-27% -$13.3K ﹤0.01% 6381
2019
Q3 		$53K Sell
661
-1,603
-71% -$106K ﹤0.01% 6304
2019
Q2 		$145K Sell
2,264
-191
-8% -$18.1K ﹤0.01% 5808
2019
Q1 		$337K Sell
2,455
-222
-8% -$27.1K ﹤0.01% 5252
2018
Q4 		$242K Sell
2,677
-290
-10% -$40.6K ﹤0.01% 5402
2018
Q3 		$450K Buy
2,967
+1,143
+63% +$185K ﹤0.01% 5023
2018
Q2 		$314K Buy
1,824
+1,161
+175% +$190K ﹤0.01% 5161
2018
Q1 		$97K Buy
663
+17
+3% +$3.26K ﹤0.01% 5749
2017
Q4 		$130K Sell
646
-241
-27% -$49.5K ﹤0.01% 5621
2017
Q3 		$284K Sell
887
-312
-26% -$85.3K ﹤0.01% 5230
2017
Q2 		$271K Buy
1,199
+2
+0.2% +$411 ﹤0.01% 5179
2017
Q1 		$270K Buy
1,197
+562
+89% +$114K ﹤0.01% 5184
2016
Q4 		$126K Buy
635
+382
+151% +$83.3K ﹤0.01% 5526
2016
Q3 		$63K Sell
253
-49
-16% -$17.2K ﹤0.01% 5644
2016
Q2 		$176K Buy
302
+35
+13% +$20.5K ﹤0.01% 5271
2016
Q1 		$142K Sell
267
-121
-31% -$63.1K ﹤0.01% 5321
2015
Q4 		$273K Buy
388
+210
+118% +$138K ﹤0.01% 5181
2015
Q3 		$105K Buy
+178
New +$145K ﹤0.01% 5651

Other funds holding MCRB

FP
Flagship Pioneering Cambridge, Massachusetts $1.16B AUM 67.93% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
Vontobel Holding
Vontobel Holding Zurich, Switzerland $29.1B AUM 22.79% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Bank of America's MCRB Position: Q1 2026 in Review

Bank of America sold out of Seres Therapeutics (MCRB) in Q1 2026, closing a stake of 195 shares — an estimated $2.9K sold.

Bank of America first reported a position in MCRB in Q3 2015 and held it in 42 quarters. The position peaked at $5.72M in Q2 2023. 33 funds tracked by Wall St. Rank hold MCRB as of Q1 2026.

  • Bank of America reported no remaining Seres Therapeutics position as of Q1 2026 after selling out during the quarter.
  • Bank of America sold 195 Seres Therapeutics shares in Q1 2026, an estimated $2.9K.
  • Bank of America first reported a position in Seres Therapeutics in Q3 2015 and held it in 42 quarters.
  • Bank of America's Seres Therapeutics position peaked at $5.72M in Q2 2023.
  • 33 funds tracked by Wall St. Rank held Seres Therapeutics as of Q1 2026.

Based on Bank of America's 13F filing for Q1 2026, filed 18 May 2026.