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Ownership — MCRB
Institutional Holdings
Insider Transactions
US Institutional Ownership
23.3%
Institution
Shares
Value
Ownership %
Change
Filing Date
Flagship Pioneering, LLC
1.16M
$9.0M
11.76%
--
2026-06-30
Vanguard Capital Management LLC
287.8K
$2.0M
2.93%
-6.4K
2026-06-30
Marshall Wace, LLP
172.2K
$1.0M
1.75%
+32.7K
2026-06-30
Vontobel Holding Ltd.
123.0K
--
1.25%
-15.5K
2026-06-30
BlackRock, Inc.
111.0K
--
1.13%
+9.0K
2026-06-30
Geode Capital Management, LLC
80.0K
--
0.81%
+5.1K
2026-06-30
Citadel Advisors LLC
54.0K
--
0.55%
-5.5K
2026-06-30
Vanguard Fiduciary Trust Co
48.7K
--
0.50%
+9.0K
2026-06-30
State Street Corp
33.9K
--
0.34%
--
2026-06-30
Lion Point Capital, LP
31.6K
--
0.32%
--
2026-06-30
Sixth Street Partners Management Company, L.P.
31.0K
--
0.32%
--
2026-06-30
Charles Schwab Investment Management Inc
31.0K
--
0.32%
-581
2026-06-30
American Century Companies Inc
28.3K
--
0.29%
-34.0K
2026-06-30
XTX Topco Ltd
20.7K
--
0.21%
-1.7K
2026-06-30
Goldman Sachs Group Inc
15.2K
--
0.15%
+889
2026-06-30
Northern Trust Corp
14.8K
--
0.15%
--
2026-06-30
Invesco Ltd.
13.0K
--
0.13%
-1.6K
2026-06-30
Morgan Stanley
12.1K
--
0.12%
-9.6K
2026-06-30
Simplex Trading, LLC
4.6K
--
0.05%
+1.5K
2026-06-30
SBI Securities Co., Ltd.
4.2K
--
0.04%
+700
2026-06-30
Integrated Wealth Concepts LLC
4.0K
--
0.04%
--
2026-06-30
JPMorgan Chase & Co
3.6K
--
0.04%
+3.6K
2026-06-30
Vanguard Global Advisers, LLC
2.0K
--
0.02%
--
2026-06-30
FMR LLC
1.5K
--
0.02%
-224
2026-06-30
Rachor Investment Advisory Services, LLC
1.5K
--
0.02%
--
2026-06-30
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