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Who owns ATTOWhat ATTO owns — n/a

Who owns Attovia Therapeutics, Inc.?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of ATTO from SEC Form 13F filings across 10 reporting managers. All positions are from one synchronized reporting period — 2019-06-30 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2019-06-30 reporting period, 10 institutions disclosed 1.3M shares of Attovia Therapeutics, Inc. worth $0; the largest disclosed holder is Tyrian Investments, L.P.. Source: SEC Form 13F filings, parsed by EvidInvest.

10

13F holders

$0

value, 2026 filers

1.3M

shares disclosed

0

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2019-06-30 · % of fund = share of the manager's own book · % of co. = share of ATTO's shares outstanding

#ManagerSharesValue% of fund% of co.Δ shares QoQ
1Tyrian Investments, L.P.342,800$2.9M1.1%
2BLACKROCK ADVISORS LLC258,100$2.0M0.0%
3Balter Liquid Alternatives, LLC361,674$901,0000.4%
4BlackRock Group LTD102,700$786,0000.0%
5Edinburgh Partners Ltd98,500$768,0000.4%
6BlackRock Investment Management, LLC33,500$256,0000.0%
7TFS CAPITAL LLC16,472$184,0000.1%
8LUCUS ADVISORS LLC14,821$116,0000.2%
9Jump Trading, LLC18,264$66,0000.0%
10FNY Partners Fund LP6,500$50,0000.0%

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.

EvidInvest is an independent research and information tool. Figures are calculated from public SEC filings and third-party market data and are provided for informational and educational purposes only. EvidInvest does not provide investment advice, brokerage, or financial services, and is not affiliated with any company it covers. Verify all figures against primary sources before making any decision.