SEC 13F Intelligence

ARCA BIOPHARMA INC

CUSIP 00211Y506

Arca Biopharma Inc has 26 institutional holders in Filings Flow’s 13F database, together reporting 11.76M shares worth $45M as of Q2 2024. The largest reported holders are Cable Car Capital, LP, Rtw Investments, LP, and Janus Henderson Group Ltd..

Institutional Holders
26
Q2 2024
Reported Value
$45M
Ticker
unmapped
private placement or foreign
Quarters Tracked
21

Ownership Trend

Institutional holders
Q2 ’19: 10Q2 ’19Q3 ’19: 9Q4 ’19: 11Q1 ’20: 10Q1 ’20Q2 ’20: 6Q3 ’20: 12Q4 ’20: 12Q4 ’20Q1 ’21: 12Q2 ’21: 9Q3 ’21: 12Q3 ’21Q4 ’21: 12Q1 ’22: 13Q2 ’22: 17Q2 ’22Q3 ’22: 18Q4 ’22: 15Q1 ’23: 19Q1 ’23Q2 ’23: 16Q3 ’23: 14Q4 ’23: 17Q4 ’23Q1 ’24: 15Q2 ’24: 26filingsflow.com
Total reported value
Q2 ’19: $1MQ2 ’19Q3 ’19: $374,000Q4 ’19: $1MQ1 ’20: $562,000Q1 ’20Q2 ’20: $898,000Q3 ’20: $488,000Q4 ’20: $2MQ4 ’20Q1 ’21: $1MQ2 ’21: $2MQ3 ’21: $980,000Q3 ’21Q4 ’21: $775,000Q1 ’22: $660,000Q2 ’22: $2MQ2 ’22Q3 ’22: $3MQ4 ’22: $4MQ1 ’23: $3MQ1 ’23Q2 ’23: $4MQ3 ’23: $5MQ4 ’23: $5MQ4 ’23Q1 ’24: $5MQ2 ’24: $45Mfilingsflow.com

Holders

··Mixed quarters
Manager% of PortfolioValueSharesQuarter
Cable Car Capital, LP$289M AUM16.14%$15M4.00MQ2 2024
RTW INVESTMENTS, LP$10.0B AUM0.08%$5M1.40MQ2 2024
Janus Henderson Group Ltd.$209.4B AUM0.00%$5M1.38MQ2 2024
ADAGE CAPITAL PARTNERS GP, L.L.C.$64.8B AUM0.01%$5M1.20MQ2 2024
Avidity Partners Management LP$936M AUM0.16%$4M1.00MQ2 2024
Venrock Adviser, LLC$2.7B AUM0.21%$3M866.4KQ2 2024
COWEN AND COMPANY, LLC$0 AUM0.07%$3M700.0KQ2 2024
Western Standard LLC$190M AUM1.19%$2M1.41MQ1 2024OLDER
Commodore Capital LP$1.7B AUM0.11%$2M414.3KQ2 2024
BML Capital Management, LLC$156M AUM0.82%$1M706.9KQ1 2024OLDER
BlackRock Finance, Inc.$4.42T AUM0.00%$949,492247.9KQ2 2024
GEODE CAPITAL MANAGEMENT, LLC$1.61T AUM0.00%$619,527161.7KQ2 2024
Newtyn Management, LLC$936M AUM0.09%$457,844269.3KQ4 2023OLDER
ADAR1 Capital Management, LLC$1.7B AUM0.06%$324,30984.7KQ2 2024
RENAISSANCE TECHNOLOGIES LLC$63.9B AUM0.00%$279,96973.1KQ2 2024
Affinity Asset Advisors, LLC$1.9B AUM0.03%$277,61472.5KQ2 2024
DIMENSIONAL FUND ADVISORS LP$481.4B AUM0.00%$162,78342.5KQ2 2024
Aberdeen Group plc$61.9B AUM0.00%$124,32632.5KQ2 2024
CITADEL ADVISORS LLC$618.5B AUM0.00%$121,35431.7KQ2 2024
Cubist Systematic Strategies, LLC$21.0B AUM0.00%$106,39427.8KQ2 2024
BRIDGEWAY CAPITAL MANAGEMENT, LLC$5.0B AUM0.00%$94,36546.9KQ3 2023OLDER
NORTHERN TRUST CORP$756.6B AUM0.00%$80,36121.0KQ2 2024
SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM0.00%$74,68519.5KQ2 2024
CHARLES SCHWAB INVESTMENT MANAGEMENT INC$654.5B AUM0.00%$57,40415.0KQ2 2024
GROUP ONE TRADING LLC$52.2B AUM0.00%$27,3127.1KQ2 2024
HRT FINANCIAL LP$40.1B AUM0.00%$22,00012.7KQ1 2024OLDER
TWO SIGMA SECURITIES, LLC$861M AUM0.00%$20,60212.1KQ4 2023OLDER
Activest Wealth Management$569M AUM0.00%$7,6602.0KQ2 2024
UBS Group AG$666.3B AUM0.00%$1,9231.1KQ4 2023OLDER
Tower Research Capital LLC (TRC)$3.8B AUM0.00%$1,318344Q2 2024
SIMPLEX TRADING, LLC$149.1B AUM0.00%$1,000275Q2 2024
Parallel Advisors, LLC$5.6B AUM0.00%$935244Q2 2024
Qube Research & Technologies Ltd$89.9B AUM0.00%$19250Q2 2024
OSAIC HOLDINGS, INC.$68.3B AUM0.00%$9355Q4 2023OLDER
CONCOURSE FINANCIAL GROUP SECURITIES, INC.$0 AUM$00Q2 2024

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.