James Seyffart

James Seyffart

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Bloomberg Intelligence ETF and crypto analyst; frequent posts on spot Bitcoin/Ether ETFs, flows, fees, and approvals

BlackRock Launches Two Active Muni Bond ETFs, Including Short‑duration
SocialMay 18, 2026

BlackRock Launches Two Active Muni Bond ETFs, Including Short‑duration

NEW: @BlackRock continues the ETF industry trend of filing/launching active funds. They just filed for two active muni bond ETFs. One will specifically target short duration bonds https://t.co/MoTAGuo7Nl

By James Seyffart
BlackRock Files for New Actively Managed Large‑cap Value ETF
SocialApr 30, 2026

BlackRock Files for New Actively Managed Large‑cap Value ETF

NEW: BlackRock just filed for a new actively managed ETF. iShares Enhanced Large Cap Value Active ETF -- no ticker yet. https://t.co/t8k71fvoq1

By James Seyffart
Passive Ownership Shifts Mirror Stock Performance Trends
SocialApr 28, 2026

Passive Ownership Shifts Mirror Stock Performance Trends

Everyone is always talking about passive's impact on the market -- its definitely having some impact. We looked at US stocks with rising & falling passive ownership % over last 3 years. The trend speaks for itself. Though there's obviously...

By James Seyffart
Sustaining 4:33/Mile for Two Hours on Treadmill
SocialApr 26, 2026

Sustaining 4:33/Mile for Two Hours on Treadmill

Just so it’s clear. This is a 4:33 per mile pace for almost 2 hours. For the treadmill warriors out there that’s 13.1-13.2 on your treadmill (if it even goes that high)

By James Seyffart
Risk-On Rally Fuels $35 B in US ETF Inflows
SocialApr 24, 2026

Risk-On Rally Fuels $35 B in US ETF Inflows

Talk about a risk-on rally. S&P 500 ETFs taking in the top three spots over the last week. US ETFs have taken in over $35 billion in aggregate. And $ARKK is #4 on the list with over $1.2 billion over...

By James Seyffart
KraneShares Announces KCOI ETF with 0.68% Fee
SocialApr 22, 2026

KraneShares Announces KCOI ETF with 0.68% Fee

NEW-ish: We have a 3rd amendment on the @KraneShares @coinbase 50 ETF. Ticker will be $KCOI when it launches. Fee will be 0.68%. Will initally hold BTC, ETH, XRP, SOL, DOGE, ADA, LINK, BCH, XLM, AVAX, LTC, SHIB, and DOT....

By James Seyffart
KraneShares Proposes High‑Bandwidth Memory ETF After DRAM Boom
SocialApr 20, 2026

KraneShares Proposes High‑Bandwidth Memory ETF After DRAM Boom

NEW: Filing from @KraneShares looking to launch a "High-Bandwidth Memory ETF" after the smash success of $DRAM https://t.co/mKuh5PCVoA

By James Seyffart
Grayscale Amends Hyperliquid ETF, Anchorage Named Custodian
SocialApr 20, 2026

Grayscale Amends Hyperliquid ETF, Anchorage Named Custodian

NEW: Another amended Hyperliquid ETF filing, this one from @Grayscale. More signs of movement between issuers and SEC. Notably @Anchorage will be custodian. https://t.co/neEmg4PWZ2

By James Seyffart
First Long Run Back: Recovery Journey Resumes
SocialApr 18, 2026

First Long Run Back: Recovery Journey Resumes

Sunday Funday one day early. First long-ish run back from injury. Build up begins again 🤷🏼‍♂️ https://t.co/vOQouHqd1V

By James Seyffart
Protect Citi Bikes: Stop Politicians Cutting Thin Margins
SocialApr 17, 2026

Protect Citi Bikes: Stop Politicians Cutting Thin Margins

Please don’t let this happen. Citi bikes are my favorite way to get around nyc. They actually work. Their availability and quality has gotten better over the years. Don’t allow politicians to artificially suppress their already razor thin margins.

By James Seyffart
Decentralized Protocols Must Freeze Hacks, Not Wait for Courts
SocialApr 16, 2026

Decentralized Protocols Must Freeze Hacks, Not Wait for Courts

I hope there's some precedent set. Either you're a decentralized protocol and literally do not have the power to freeze or you're not and you should be freezing hacked funds. This middle ground hand wavy "only with a court order"...

By James Seyffart
New Power Infrastructure ETF KWH Targets AI Energy Demand
SocialApr 16, 2026

New Power Infrastructure ETF KWH Targets AI Energy Demand

NEW: Relatively rare ETF filing for GMO. Filing for the Power Infrastructure ETF $KWH. good ticker. Will lean into AI energy infrastructure demand. https://t.co/UaH7RMLXmO

By James Seyffart
State Street Adds Mutual Fund Class to S&P 500 ETF
SocialApr 14, 2026

State Street Adds Mutual Fund Class to S&P 500 ETF

NEW: State Street just filed to bolt on a mutual fund share class to their S&P 500 ETF -- $SPYM. Yet another in a massive list of filings for ETF share classes on mutual funds AND mutual fund share classes...

By James Seyffart
Hyperliquid ETF Filing Updated, Ticker THYP Nears U.S. Launch
SocialApr 14, 2026

Hyperliquid ETF Filing Updated, Ticker THYP Nears U.S. Launch

NEW: Updated filing from @21shares_us on their Hyperliquid ETF. Ticker will be $THYP. No information on fees yet. Suspect updates/changes are due to SEC comment and feedback. Getting closer to a US listed hyperliquid ETF. https://t.co/9Bsj6ufDnu

By James Seyffart