Which bank will lead Anthropic's IPO?
Short Answer
1. Market Behavior & Drivers
- Morgan Stanley is widely expected to lead Anthropic's IPO underwriting.
- Bloomberg reports indicate Morgan Stanley as Anthropic's favored IPO underwriter.
- Goldman Sachs is reportedly part of Anthropic's selected banking syndicate.
Who Wins and Why
| Outcome | Market | Model | Why |
|---|---|---|---|
| Goldman Sachs | 22.0% | 16.5% | Goldman Sachs has a strong tech IPO record and a strategic investment in Anthropic. |
| Morgan Stanley | 77.0% | 56.7% | Morgan Stanley led an early 2024 Anthropic funding round, showcasing a strong existing relationship. |
| Bank of America | 1.0% | 0.6% | Bank of America has a solid investment banking division and participates in many tech IPOs. |
| Citigroup | 1.0% | 0.6% | Citigroup has a strong global investment banking presence and history in significant tech transactions. |
| No Listed Underwriter | 2.0% | 1.3% | Anthropic might choose an unconventional direct listing or defer a traditional IPO. |
Current Context
Sources (10)
- 1Morgan Stanley, Goldman Sachs to Lead Anthropic IPO - Bloombergbloomberg.com
- 2Morgan Stanley, Goldman Sachs Set as Lead Underwriters for Anthropic IPO; Valuation Seen Above $2 Trillion | Gate Newsgate.com
- 3Anthropic picks Morgan Stanley and Goldman Sachs to lead its IPO, with a SpaceX computing deal worth $1.25 billion per month buried in the fine printthenextweb.com
- 4Anthropic Weighs Morgan Stanley And Goldman Sachs For Key Roles In $2 Trillion IPO, Says Report — TradingView Newstradingview.com
- 5Anthropic Set to Add Citigroup to Top IPO Banks on Mega-Listing - Bloombergbloomberg.com
- 6Press Release, dated June 4, 2026sec.gov
- 7Ex99 2.htmsec.gov
- 8seekingalpha.comOctagon Agent
- 9EXCLUSIVE: Anthropic IPO launch shifts toward mid-October, sourcesfacebook.com
- 10Anthropic nears Morgan Stanley, Goldman appointments for potential $2T+ IPOcryptobriefing.com
2. Price Chart
Historical Price (Probability)
3. Significant Price Movements
Notable price changes detected in the chart, along with research into what caused each movement.
Outcome: Morgan Stanley
📈 September 05, 2026: 13.0pp spike
Price increased from 64.0% to 77.0%
📉 September 03, 2026: 44.0pp drop
Price decreased from 88.0% to 44.0%
📈 August 31, 2026: 51.0pp spike
Price increased from 37.0% to 88.0%
Outcome: Bank of America
📉 September 04, 2026: 78.0pp drop
Price decreased from 98.0% to 20.0%
Outcome: Goldman Sachs
📉 September 01, 2026: 10.0pp drop
Price decreased from 62.0% to 52.0%
Sources (10)
- 1Morgan Stanley, Goldman Sachs Set as Lead Underwriters for Anthropic IPO; Valuation Seen Above $2 Trillion | Gate Newsgate.com
- 2Anthropic $15B Credit Line: Banks Commit $1B-Plus Each to Lock In IPO Rolestechtimes.com
- 3Anthropic Finalizing $15 Billion Pre-IPO Credit Facility | Bloomberg Intelligenceyoutube.com
- 4seekingalpha.comOctagon Agent
- 5Anthropic confidentially files for US IPO, prospectus expected after Labor Daycryptobriefing.com
- 6Morgan Stanley, Goldman Sachs to Lead Anthropic IPO - Bloombergbloomberg.com
- 7Anthropic picks Morgan Stanley and Goldman Sachs to lead its IPO, with a SpaceX computing deal worth $1.25 billion per month buried in the fine printthenextweb.com
- 8How to Pick Stocks Like Morgan Stanley | TCAF 258youtube.com
- 9Anthropic's $2T IPO, Zuck's AI Manifesto, Nvidia's $500B AI Bet, Grok's Comebackyoutube.com
- 10Anthropic Nears Finalizing $15 Billion Pre-IPO Credit Facilityfinance.yahoo.com
4. Market Data
Contract Snapshot
This market resolves YES for a specific bank if that bank is announced as the lead for Anthropic's initial public offering (IPO). A NO resolution occurs for a bank if it is not the lead bank. The maximum payout date for this market is December 31, 2027, with no further special settlement conditions explicitly detailed in the provided content.
Available Contracts
Market options and current pricing
| Outcome bucket | Yes (price) | No (price) | Last trade probability |
|---|---|---|---|
| Morgan Stanley | $0.77 | $0.29 | 77% |
| Goldman Sachs | $0.28 | $0.78 | 22% |
| JPMorgan Chase | $0.03 | $0.99 | 19% |
| No Listed Underwriter | $0.01 | $1.00 | 2% |
| Bank of America | $0.05 | $0.99 | 1% |
| Citigroup | $0.03 | $0.99 | 1% |
Market Discussion
Reporting from June 3, 2026, indicates that Morgan Stanley and Goldman Sachs were lined up to lead Anthropic's IPO, with Morgan Stanley as the lead-left underwriter [1][2][3]. By August 20, 2026, Citigroup was expected to join as a top IPO bank [4]. Although reporting from September 4, 2026, suggests four leading banks tied to a pre-IPO credit facility, the fourth bank's name is not specified in the available information [3].
Sources (4)
- 1Morgan Stanley, Goldman Sachs Set as Lead Underwriters for Anthropic IPO; Valuation Seen Above $2 Trillion | Gate Newsgate.com
- 2Morgan Stanley, Goldman Sachs to Lead Anthropic IPO - Bloombergbloomberg.com
- 3Anthropic IPO preparations put Morgan Stanley, Goldman Sachs in line for top mandatestradersunion.com
- 4Anthropic Set to Add Citigroup to Top IPO Banks on Mega-Listing - Bloombergbloomberg.com
5. Trust Index
Corporate action: boards, bankers, and counsel hold the answer before the announcement
Integrity risk· Information exposure
Includes the cost to trade: a $1,000 order can't be filled here because the order book is too thin.
Weighted blend with hard caps — a critically weak safety pillar, or a severe trading anomaly, caps the total regardless of the rest. Full methodology · About the Trust Index
6. How does the rumored banking syndicate for Anthropic's IPO compare to the banks chosen for other major AI company listings, such as OpenAI's potential IPO?
| Anthropic Primary IPO Banks | Morgan Stanley, Goldman Sachs, JPMorgan Chase, and Citigroup [1][2][3][4][5][6] |
|---|---|
| OpenAI Primary IPO Banks | Morgan Stanley and Goldman Sachs [7][8][9] |
| AI IPO Bank Syndicate Overlap | Highly overlapping Wall Street bank groups for Anthropic and OpenAI [1][2][3][4][5][6] |
Sources (11)
- 1www.newsfilecorp.comOctagon Agentnewsfilecorp.com
- 2www.etftrends.comOctagon Agentetftrends.com
- 3www.cnbc.comOctagon Agentcnbc.com
- 4invezz.comOctagon Agent
- 5seekingalpha.comOctagon Agent
- 6www.newsfilecorp.comOctagon Agentnewsfilecorp.com
- 7Anthropic picks Morgan Stanley, Goldman Sachs to lead IPO - TNWthenextweb.com
- 8OpenAI IPO Syndicate Lines Up with Goldman Sachs Morgan Stanleylinkedin.com
- 9Citi, JPM Reportedly In Talks To Join OpenAI IPO Bank Lineupstocktwits.com
- 10Anthropic IPO Nears With $15 Billion Revolver | InsiderFinanceinsiderfinance.io
- 11European banks to be 'sidelined' during AI IPO boom - The Bankerthebanker.com
7. What public evidence or analyst reports support Morgan Stanley being selected as the 'lead-left' underwriter for Anthropic's IPO?
| Morgan Stanley's IPO Role | Picked by Anthropic to lead IPO (Bloomberg Law, June 3, 2026) [1] |
|---|---|
| Underwriting Group Status | Working on the offering as a lead bank / top underwriting group (Bloomberg Professional Services, August 25, 2026) [1] |
| Primary 'Lead-Left' Confirmation | Not explicitly confirmed by primary source (as of September 5, 2026) [1][2] |
Sources (5)
- 1seekingalpha.comOctagon Agent
- 2Anthropic IPO filing will show AI backlash as risk, sources say - CNBCcnbc.com
- 3Which bank will lead Anthropic's IPO? Odds & Predictions 2028kalshi.com
- 4Which bank will lead Anthropic's IPO? | Prediction Markets | Coinbasecoinbase.com
- 5A $7 billion horse race: Goldman Sachs and Morgan Stanley battle...fortune.com
8. Which key events or disclosures in Q3-Q4 2026 could confirm Anthropic's lead underwriter ahead of a formal S-1 filing?
| Lead Underwriter Indication | Morgan Stanley (Reuters-linked coverage, September 4-5, 2026) [1][2][3][4][5][6] |
|---|---|
| S-1 Public Filing Expectation | Post-Labor Day 2026 [7][8] |
| Targeted Listing Window | Mid-to-late October 2026 [9][7] |
Sources (10)
- 1www.newsfilecorp.comOctagon Agentnewsfilecorp.com
- 2www.newsfilecorp.comOctagon Agentnewsfilecorp.com
- 3www.newsfilecorp.comOctagon Agentnewsfilecorp.com
- 4www.newsfilecorp.comOctagon Agentnewsfilecorp.com
- 5www.newsfilecorp.comOctagon Agentnewsfilecorp.com
- 6www.newsfilecorp.comOctagon Agentnewsfilecorp.com
- 7Anthropic plans to publicly unveil IPO prospectus after...reuters.com
- 8Anthropic vs OpenAI IPO Date: Who Will List First?indmoney.com
- 9Anthropic IPO launch shifts toward mid-October, sources say - Reutersreuters.com
- 10Anthropic Set to Add Citigroup to Top IPO Banks on Mega-Listingbloomberg.com
9. When is Anthropic's S-1 filing expected to become public, and what specific information will it contain about the lead book-running managers?
| Confidential S-1 Draft Filing | June 1, 2026 [1][2][3][4][5] |
|---|---|
| Public S-1 Status (as of Sep 5, 2026) | Not yet public [1][2][3][4][5] |
| Expected Lead Banks (Bloomberg) | Morgan Stanley, Goldman Sachs, and JPMorgan [4][6][7][8][9][10][11] |
Sources (19)
- 1Anthropic confidentially submits draft S-1 to the SECanthropic.com
- 2Anthropic confidentially files IPO prospectus with SEC, landmark dealcnbc.com
- 3Anthropic IPO Status 2026: S-1, Date and Ticker - decodethefuturedecodethefuture.org
- 4Anthropic Files Confidential S-1: Joins $3 Trillion AI IPO Racefinance.yahoo.com
- 5Anthropic IPO: Expected Valuation, Timeline and Investment Optionssmartasset.com
- 6www.newsfilecorp.comOctagon Agentnewsfilecorp.com
- 7www.etftrends.comOctagon Agentetftrends.com
- 8www.cnbc.comOctagon Agentcnbc.com
- 9invezz.comOctagon Agent
- 10seekingalpha.comOctagon Agent
- 11www.newsfilecorp.comOctagon Agentnewsfilecorp.com
- 12Anthropic Expects to Match or Top SpaceX's Record IPO Sizebloomberg.com
- 13Anthropic IPO filing will show AI backlash as risk, sources say - CNBCcnbc.com
- 14The hyping of Anthropic's IPO - Marcus on AIgarymarcus.substack.com
- 15Which banks will take Anthropic public? - Kalshikalshi.com
- 16Which bank will lead Anthropic's IPO? | Prediction Markets | Coinbasecoinbase.com
- 17New Kalshi Markets: Love Island USA S8E2, Anthropic IPO, Trump-Iran Meeting — Past 24 Hours (as of 6:30:22 PM ET, Jun 03)predictionnewsnetwork.com
- 18New Kalshi Markets: Senators Confirm Todd Blanche, LA Mayoral Primary, EV Prices — Past 24 Hours (as of 8:30:28 AM ET, Jun 04)predictionnewsnetwork.com
- 19Which bank will lead Anthropic's IPO? — Confronta le quote Kalshi vs Polymarket | CoinRithmcoinrithm.com
10. How do Morgan Stanley's and Goldman Sachs's track records on major tech IPOs since 2023 compare?
| Dominant Investment Banks | Morgan Stanley and Goldman Sachs are recognized as the two dominant investment banks in the tech IPO market since 2023 [1][2] |
|---|---|
| SpaceX IPO Roles (May 2026) | Goldman Sachs secured lead-left bookrunner; Morgan Stanley served as stabilization agent [2] |
| Anthropic IPO Consideration (as of Sep 2026) | Morgan Stanley identified as frontrunner for lead-left mandate, Goldman Sachs also in prominent roles [3][4][5][6][7][8][9] |
Sources (9)
- 1Goldman Sachs vs Morgan Stanley in tech IPO battle - LinkedInlinkedin.com
- 2Inside SpaceX's IPO: Goldman Sachs takes prestigious lead spot...finance.yahoo.com
- 3Anthropic Weighs Morgan Stanley And Goldman Sachs For Key...stocktwits.com
- 4www.gurufocus.comOctagon Agentgurufocus.com
- 5www.gurufocus.comOctagon Agentgurufocus.com
- 6www.proactiveinvestors.comOctagon Agentproactiveinvestors.com
- 7www.proactiveinvestors.co.ukOctagon Agentproactiveinvestors.co.uk
- 8www.prnewswire.comOctagon Agentprnewswire.com
- 9www.proactiveinvestors.comOctagon Agentproactiveinvestors.com
11. What Could Change the Odds
Key Catalysts
Key Dates & Catalysts
- Expiration: January 08, 2028
- Closes: January 01, 2028
Sources (16)
- 1Anthropic confidentially submits draft S-1 to the SECanthropic.com
- 2Anthropic confidentially files IPO prospectus with SEC, landmark dealcnbc.com
- 3Anthropic moves closer to IPO as bankers line up investor meetingscnbc.com
- 4Anthropic IPO Marketing Now Seen Starting Mid-October, Sources Sayfinance.biggo.com
- 5Press Release, dated June 4, 2026 - SEC.govsec.gov
- 6On what date will Anthropic price its… — FutureSearchfuturesearch.ai
- 7Anthropic IPO by __? Predictions & Odds 2026 | Polymarketpolymarket.com
- 8Anthropic set to file IPO prospectus, testing AI investment appetitecryptobriefing.com
- 9Anthropic's $2T IPO, Zuck's AI Manifesto, Nvidia's $500B AI Bet, Grok's Comebackyoutube.com
- 10SentinelOne, Inc. (S-1/A) - N/A, Page: 1Octagon Agentoctagonai.co
- 11SentinelOne, Inc. (S-1/A) - N/A, Page: 1Octagon Agentoctagonai.co
- 12SentinelOne, Inc. (S-1/A) - N/A, Page: 52Octagon Agentoctagonai.co
- 13SentinelOne, Inc. (S-1/A) - N/A, Page: 16Octagon Agentoctagonai.co
- 14SentinelOne, Inc. (S-1/A) - N/A, Page: 207Octagon Agentoctagonai.co
- 15SentinelOne, Inc. (S-1/A) - N/A, Page: 224Octagon Agentoctagonai.co
- 16Anthropic Finalizing $15 Billion Pre-IPO Credit Facility | Bloomberg Intelligenceyoutube.com