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Cyclerion Therapeutics Inc (CYCN)

Q1 2026 vs Q2 2026

Comparing institutional holders between quarters

Quarters

Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile
Kalehua Capital Management LLC
NEW
Shares1,651,350
Change+1,651,350
Value$5.6M
Filed 2026-08-19
FMR LLC
INCREASED
Shares649,547 from 4,740
Change+644,807 (+13604%)
Value$2.2M (+$2.2M)
Filed 2026-08-13
Balyasny Asset Management L.P.
NEW
Shares317,511
Change+317,511
Value$1.1M
Filed 2026-08-14
Adar1 Capital Management, LLC
NEW
Shares298,757
Change+298,757
Value$1.0M
Filed 2026-08-14
Braidwell LP
NEW
Shares156,890
Change+156,890
Value$531.9K
Filed 2026-08-14
Citadel Advisors LLC
INCREASED
Shares59,795 from 18,261
Change+41,534 (+227%)
Value$202.7K (+$174.7K)
Filed 2026-09-02
Geode Capital Management, LLC
DECREASED
Shares45,850 from 84,550
Change-38,700 (-46%)
Value$155.5K (+$25.7K)
Filed 2026-08-12
Vanguard Capital Management LLC
INCREASED
Shares30,915 from 16,137
Change+14,778 (+92%)
Value$104.8K (+$80.0K)
Filed 2026-08-13
Rangeley Capital, LLC
NEW
Shares24,310
Change+24,310
Value$82.4K
Filed 2026-08-14
HRT Financial LP
NEW
Shares22,054
Change+22,054
Value$74
Filed 2026-08-14
BlackRock, Inc.
UNCHANGED
Shares16,797 from 16,797
Change0 (0%)
Value$56.9K (+$30.9K)
Filed 2026-08-07
Dimensional Fund Advisors LP
NEW
Shares11,724
Change+11,724
Value$39.7K
Filed 2026-08-11
Vanguard Fiduciary Trust Co
NEW
Shares7,353
Change+7,353
Value$24.9K
Filed 2026-08-13
UBS Group AG
DECREASED
Shares3,135 from 3,391
Change-256 (-8%)
Value$10.6K (+$5.4K)
Filed 2026-08-13
Tower Research Capital LLC (TRC)
NEW
Shares1,849
Change+1,849
Value$6.3K
Filed 2026-08-11
Group One Trading LLC
UNCHANGED
Shares192 from 192
Change0 (0%)
Value$651 (+$356)
Filed 2026-08-14
Osaic Holdings, Inc.
UNCHANGED
Shares130 from 130
Change0 (0%)
Value$440 (+$239)
Filed 2026-08-14
Activest Wealth Management
UNCHANGED
Shares100 from 100
Change0 (0%)
Value$339 (+$184)
Filed 2026-07-16
Barclays PLC
NEW
Shares87
Change+87
Value$295
Filed 2026-08-14
WHI Trust Co LLC
UNCHANGED
Shares72 from 72
Change0 (0%)
Value$244 (+$132)
Filed 2026-08-11
BNP Paribas Financial Markets
DECREASED
Shares4 from 5
Change-1 (-20%)
Value$14 (+$6)
Filed 2026-08-13
Kovack Advisors, Inc.
CLOSED
Shares0 from 10,000
Change-10,000 (-100%)
Value$0 (-$15.5K)
Filed 2026-07-29
MAI Capital Management
CLOSED
Shares0 from 100
Change-100 (-100%)
Value$0 (-$155)
Filed 2026-08-14
Citigroup Inc
CLOSED
Shares0 from 89
Change-89 (-100%)
Value$0 (-$137)
Filed 2026-08-03
Caitong International Asset Management Co., Ltd
CLOSED
Shares0 from 4
Change-4 (-100%)
Value$0 (-$6)
Filed 2026-08-05
Morgan Stanley
CLOSED
Shares0 from 1
Change-1 (-100%)
Value$0 (-$2)
Filed 2026-08-13
Vanguard Group Inc
N/A
Shares— from 0
Change0
Value—
Status
Kalehua Capital Management LLC
NEW1,651,350—+1,651,350——$5.6M—2026-08-19
FMR LLC
INCREASED649,5474,740+644,807+13604%$7.3K$2.2M+$2.2M2026-08-13
Balyasny Asset Management L.P.
NEW317,511—+317,511——$1.1M—2026-08-14
Adar1 Capital Management, LLC
NEW298,757—+298,757——$1.0M—2026-08-14
Braidwell LP
NEW156,890—+156,890——$531.9K—2026-08-14
Citadel Advisors LLC
INCREASED59,79518,261+41,534+227%$28.0K$202.7K+$174.7K2026-09-02
Geode Capital Management, LLC
DECREASED45,85084,550-38,700-46%$129.8K$155.5K+$25.7K2026-08-12
Vanguard Capital Management LLC
INCREASED30,91516,137+14,778+92%$24.8K$104.8K+$80.0K2026-08-13
Rangeley Capital, LLC
NEW24,310—+24,310——$82.4K—2026-08-14
HRT Financial LP
NEW22,054—+22,054——$74—2026-08-14
BlackRock, Inc.
UNCHANGED16,79716,79700%$26.0K$56.9K+$30.9K2026-08-07
Dimensional Fund Advisors LP
NEW11,724—+11,724——$39.7K—2026-08-11
Vanguard Fiduciary Trust Co
NEW7,353—+7,353——$24.9K—2026-08-13
UBS Group AG
DECREASED3,1353,391-256-8%$5.3K$10.6K+$5.4K2026-08-13
Tower Research Capital LLC (TRC)
NEW1,849—+1,849——$6.3K—2026-08-11
Group One Trading LLC
UNCHANGED19219200%$295$651+$3562026-08-14
Osaic Holdings, Inc.
UNCHANGED13013000%$201$440+$2392026-08-14
Activest Wealth Management
UNCHANGED10010000%$155$339+$1842026-07-16
Barclays PLC
NEW87—+87——$295—2026-08-14
WHI Trust Co LLC
UNCHANGED727200%$112$244+$1322026-08-11
BNP Paribas Financial Markets
DECREASED45-1-20%$8$14+$62026-08-13
Kovack Advisors, Inc.
CLOSED010,000-10,000-100%$15.5K$0-$15.5K2026-07-29
MAI Capital Management
CLOSED0100-100-100%$155$0-$1552026-08-14
Citigroup Inc
CLOSED089-89-100%$137$0-$1372026-08-03
Caitong International Asset Management Co., Ltd
CLOSED04-4-100%$6$0-$62026-08-05
Morgan Stanley
CLOSED01-1-100%$2$0-$22026-08-13
Vanguard Group Inc
N/A—00—$0———
Showing 27 of 27 institutions