# Mass Medical Angels: portfolio, investments and team > Mass Medical Angels is an angel network based in United States. 11 investments on record, latest Aug 2023. Portfolio, stages, co-investors and team. Source: https://millionrounds.com/fund/mass-medical-angels (Millionrounds; every figure on the page links to its filing or article) United States · [Investor](https://millionrounds.com/investors) # Mass Medical Angels Last cheque observed Aug 2023. Silence since then is not evidence of inactivity: our sources miss unannounced rounds. Email Quiet Angel network Seed Series A Series B Mental Health Healthtech Wellness Follow Mass Medical Angels and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fmass-medical-angels) Cheques on record **0%** of best year **0** **cheques in 12 months**, 11 on record Since the last cheque **1187** days **00** hrs **00** min **00** sec Median round **$9.0M** Cheque size, as they say **$250K – $3.0M** Rounds led **0 of 11** Mostly in **United States, 100%** Pitch Mass Medical Angels ## Mass Medical Angels highlights - 01 11 rounds on record - 02 Mostly Series B and Series A: 100% of its rounds ## What they do > MA2 is a seed stage investor group exclusively focused on life science and healthcare investments. From their own website - **Type:** Angel network (from a list, unverified) - **Cheque size:** $250K – $3.0M as they say - **Stages:** Seed Series A Series B - **Sectors:** Mental Health Healthtech Wellness - **Based in:** Boston, United States - **Cold pitches:** Accepted ## The record Every round we can evidence, newest first **11 appearances** - **2023** 1 round - **Aug** **[Astrocyte Pharmaceuticals](https://millionrounds.com/company/astrocyte-pharmaceuticals)** Series B · US · Firms' own news pages **$6.0M** With 10 others - **2017** 1 round - **Apr** **[Sentien Biotechnologies](https://millionrounds.com/company/sentien-biotechnologies)** Series A · US · FinSMEs **$12M** With 3 others - **2014** 3 rounds - **Apr** **[InfoBionic](https://millionrounds.com/company/infobionic)** Series B · US **$17M** With 9 others - **Feb** **[Siamab Therapeutics](https://millionrounds.com/company/siamab-therapeutics)** Series B · US **$2.5M** With 3 others - **Feb** **[Siamab Therapeutics](https://millionrounds.com/company/siamab-therapeutics)** Series B · US **$1.2M** With 5 others - **2013** 2 rounds - **Jul** **[Sialix](https://millionrounds.com/company/sialix)** Series B · US · finsmes.com **$1.0M** With 3 others - **Jun** **[Avaxia Biologics](https://millionrounds.com/company/avaxia-biologics)** Series B · US · finsmes.com **$12M** With 10 others - **2012** 1 round - **Feb** **[Avaxia Biologics](https://millionrounds.com/company/avaxia-biologics)** Series A · US · finsmes.com **$4.1M** With 6 others - **2011** 1 round - **Feb** **[Bliss Healthcare](https://millionrounds.com/company/bliss-healthcare)** Series A · US · brownrudnick.com **$500K** With 2 others - **2010** 1 round - **Sept** **[Lantos Technologies](https://millionrounds.com/company/lantos-technologies)** Series A · US · freshnews.com **$1.6M** With 2 others - **2009** 1 round - **Oct** **[Daktari Diagnostics](https://millionrounds.com/company/daktari-diagnostics)** Series A · US · onbiovc.com **$2.8M** With 5 others An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor. ## The team We hold **7** people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them. ## The cheque Seed Series A Series B Median round joined **$9.0M** the round, not its cheque Led 0 of 11 rounds **0%** - **Said size:** $250K – $3.0M - **Sole investor:** Never alone - **Last cheque:** Aug 2023 Rounds by stage said on their site - Series B said *6* - Series A said *5* - Seed said *-* Cheques by year Led Joined 2009 2023 Often in the room with - [Boston Harbor Angels](https://millionrounds.com/fund/boston-harbor-angels) 8 - [LaunchPad Venture](https://millionrounds.com/fund/launchpad-venture-group) 5 - [Beacon Angels](https://millionrounds.com/fund/beacon-angels) 3 - [Launchpad Angels](https://millionrounds.com/fund/launchpad-angels) 3 - [Maine Angels](https://millionrounds.com/fund/maine-angels) 3 - [Beta Fund](https://millionrounds.com/fund/beta-fund) 2 **Pitching Mass Medical Angels?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque. Add to your CRM *→* ## Who they invest alongside The investors most often in the same rounds as Mass Medical Angels. A count of rooms they were both in, not a relationship either has claimed. [**Boston Harbor Angels** Angel network **8** rounds together](https://millionrounds.com/fund/boston-harbor-angels)[**LaunchPad Venture** Angel network **5** rounds together](https://millionrounds.com/fund/launchpad-venture-group)[**Beacon Angels** Angel network **3** rounds together](https://millionrounds.com/fund/beacon-angels)[**Launchpad Angels** Growth equity **3** rounds together](https://millionrounds.com/fund/launchpad-angels)[**Maine Angels** Angel network **3** rounds together](https://millionrounds.com/fund/maine-angels)[**Beta Fund** VC firm **2** rounds together](https://millionrounds.com/fund/beta-fund)[**Cherrystone Angel** Angel network **2** rounds together](https://millionrounds.com/fund/cherrystone-angel-group)[**North Country Angels** Angel network **2** rounds together](https://millionrounds.com/fund/north-country-angels) ## Recently backed The latest companies Mass Medical Angels put money into. [**Astrocyte Pharmaceuticals** $6.0M · Aug 2023](https://millionrounds.com/company/astrocyte-pharmaceuticals)[**Sentien Biotechnologies** $12M · Apr 2017](https://millionrounds.com/company/sentien-biotechnologies) ## Quick answers about Mass Medical Angels ### What does Mass Medical Angels invest in? Mass Medical Angels invests most often at Series B and Series A (100% of the rounds on record), in sectors such as Mental Health, Healthtech and Wellness. ### How active is Mass Medical Angels? 11 investments on record, 0 of them in the last 12 months. The most recent was in Aug 2023. ### What has Mass Medical Angels invested in recently? Its most recent investments on record: Astrocyte Pharmaceuticals (Series B, Aug 2023) and Sentien Biotechnologies (Series A, Apr 2017). ### How big are Mass Medical Angels's cheques? The median round it joins is $9.0M. It says it writes cheques of $250K to $3.0M. ### Does Mass Medical Angels lead rounds? Rarely, if at all: none of its 11 investments on record names it as the lead. ### Where does Mass Medical Angels invest? Most of the companies it backs are in the United States (100%). ### Is Mass Medical Angels investing now? No investments in the last 12 months; the latest was in Aug 2023. ### Who does Mass Medical Angels invest alongside? Most often Boston Harbor Angels (8 rounds together), LaunchPad Venture (5 rounds together) and Beacon Angels (3 rounds together). ## Raising now? Find the investors who back rounds like yours, and keep every conversation on one fundraising board. Find similar investorsOpen your CRM Built from the rounds we watched, its filings and its own website, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=mass-medical-angels) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=mass-medical-angels)