Vic Chen

AI builder exploring finance & institutional investing. Building tools to decode how the smart money moves. SF Bay Area.

San Francisco, CA Joined on Feb 14, 2026 https://github.com/vibeyclaw

Education

Stanford University, Computer Science

Work

Founder, building AI tools for finance

Vic Chen

Mar 22

Morgan Stanley's 13F Shows Netflix Up 903% and 30 Replaced Positions. Let's Unpack It.

#investing #finance #data #ai

1 min read

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Vic Chen

Mar 22

A $1.7B Fund Just Added 65 New Positions in One Quarter. What Were They Thinking?

#investing #finance #data #ai

1 min read

Vic Chen

Mar 22

Is That 13F Manager Actually Picking Stocks? How to Tell in 30 Seconds

#investing #finance #data #beginners

1 min read

Vic Chen

Mar 22

Stop Comparing 13F Quarters Wrong. Here's the Right Way.

#investing #finance #data #tutorial

1 min read

Vic Chen

Mar 22

That 13F Position Might Be an ETF. Here's Why It Matters.

#investing #finance #data #beginners

2 min read

Vic Chen

Mar 22

13D vs 13G: The Filing Difference That Can Make or Break Your Trade

#investing #finance #beginners #data

1 min read

Vic Chen

Mar 22

Capital World Investors Bought Reddit Stock Last Quarter. Yes, Really.

#investing #finance #data #ai

1 min read

Vic Chen

Mar 22

Bank of America Dumped $1.2B in Bond ETFs Last Quarter. Here's What They Bought Instead.

#investing #finance #data #ai

2 min read

Vic Chen

Mar 21

Jane Street's $662B 13F Has 33% in ETFs — Here's What That Actually Means

#finance #data #investing #analysis

2 min read

Vic Chen

Mar 19

The $15.8T Overlap Map: Where All Three Passive Giants Converge

#finance #data #python #investing

1 min read

Vic Chen

Mar 19

State Street's $3.0T 13F: Benchmark Overlap with Signal at the Edges

#finance #data #investing #analysis

1 min read

Vic Chen

Mar 19

Paycom's Chad Richison: Why Insider Selling Context Matters More Than Size

#finance #data #investing #python

1 min read

Vic Chen

Mar 19

What Top-Ten Overlap Between Passive Giants Actually Tells You

#finance #data #investing #analysis

1 min read

Vic Chen

Mar 19

FMR's $2.0T 13F: NVIDIA at 10.3% Shows Active Selection at Scale

#finance #data #investing #analysis

1 min read

Vic Chen

Mar 19

Vanguard's $6.9T 13F: A 912% Netflix Jump Inside the Benchmark Machine

#finance #data #investing #analysis

1 min read

Vic Chen

Mar 19

How to Compare Passive Giant 13Fs Without Getting Fooled

#finance #data #investing #python

1 min read

Vic Chen

Mar 19

Why a New Position in a Mega-Fund 13F May Not Be a New Bet

#finance #data #investing #python

1 min read

Vic Chen

Mar 19

BlackRock's $5.9T 13F: Netflix 903% Surge Is Passive Power, Not Stock Picking

#finance #data #investing #analysis

1 min read

Vic Chen

Mar 19

How to Read Index-Manager 13Fs Without Mistaking Scale for Skill

#finance #data #investing #analysis

1 min read

Vic Chen

Mar 18

Wellington Management's $571B: The Most Balanced Mega-Fund in 13F Data

#finance #data #investing #analysis

1 min read

Vic Chen

Mar 18

Inside Norway's $935B US Equity Portfolio: Norges Bank Q4 2025

#finance #data #investing #analysis

1 min read

Vic Chen

Mar 18

Jane Street's $662B Filing: When 15% of Your AUM Is in SPY

#finance #data #investing #analysis

1 min read

Vic Chen

Mar 18

Decoding Citadel's $666B 13F: How to Read a 15,000-Position Multi-Strategy Filing

#finance #data #python #investing

1 min read

Vic Chen

Mar 18

Parsing Form 4: How to Extract Signal from SEC Insider Trading Data

#finance #python #data #investing

1 min read

Vic Chen

Mar 18

Measuring Portfolio Concentration: The Metrics That Actually Matter in 13F Analysis

#finance #python #data #investing

1 min read

Vic Chen

Mar 18

13F Filings: A Developer's Guide to the SEC's Best Free Dataset

#finance #data #investing #python

1 min read

Vic Chen

Mar 18

Reading $868B Wrong: Why Susquehanna's 13F Isn't What It Looks Like

#finance #data #python #investing

1 min read

Vic Chen

Mar 18

Analyzing 3,155 Insider Transactions: Motorola Solutions CEO Gregory Brown's $1.09B Selling Pattern

#finance #data #investing #analysis

1 min read

Vic Chen

Mar 18

Inside a $1 Billion Insider Selling Career: Tracking CEO Martine Rothblatt's UTHR Transactions

#finance #data #investing #analysis

1 min read

Vic Chen

Mar 13

Bridgewater’s Q4 2025 Repositioning: A $2.87B IVV Bet and 290 New Positions

#finance #data #investing #analysis

4 min read

Vic Chen

Mar 13

Two Sigma’s Q4 2025 Sector Rotation: Dumping Financials, Loading Tech and Biotech ETFs

#finance #data #investing #analysis

4 min read

Vic Chen

Mar 13

Millennium Management Q4 2025: Izzy Englander’s Multi-Pod Giant Reveals Equity Rotation Patterns

#finance #data #investing #analysis

5 min read

Vic Chen

Mar 13

T. Rowe Price Q4 2025: 4,500 Positions, One Massive Netflix Bet

#finance #data #investing #analysis

5 min read

Vic Chen

Mar 13

Point72 Q4 2025: Steve Cohen’s $89.4B Fund Makes a $1.56B QQQ Bet While Loading Up on Defensive Plays

#finance #data #investing #analysis

5 min read

Vic Chen

Mar 13

Wellington Management Q4 2025: $571B Giant Makes Bold Bets on DoorDash and Netflix

#finance #data #investing #analysis

5 min read

Vic Chen

Mar 13

AQR Capital’s Q4 2025 Filing: 16,900+ Positions and the Momentum Machine in Full Swing

#finance #data #investing #analysis

4 min read

Vic Chen

Mar 13

Renaissance Technologies Q4 2025: The Alphabet Dump, NVIDIA Slash, and What the $64.5M Portfolio Really Tells Us

#finance #data #investing #analysis

4 min read

Vic Chen

Mar 8

VOO at 26.9%%, Bonds in the Top Five: Inside an RIAs Pure ETF Allocation Model

#data #investing #analysis

1 min read

Vic Chen

Mar 8

11.1%% in Five Names: Bank of America and the Bottom of the Concentration Spectrum

#data #investing #analysis

1 min read

Vic Chen

Mar 8

No NVDA, No AAPL: Bank of Hawaii Top Five Are All ETFs and VEA Leads

#data #investing #analysis

1 min read

Vic Chen

Mar 8

When the Top 5 Are All ETFs: Inside an RIA's Q4 2025 Portfolio Architecture

#data #analysis #investing

1 min read

Vic Chen

Mar 8

Fidelity vs the Big Three: Why the Active Giant Concentrates More Than the Indexes

#data #analysis #investing

1 min read

Vic Chen

Mar 8

MSFT, Lam Research, and... Bitcoin? Inside Mariner's Unusual Q4 2025 Top Five

#data #investing

1 min read

Vic Chen

Mar 8

The Big Three Are Complete: $15.8T, Same Five Stocks, ~22% Each

#data #investing

1 min read

Vic Chen

Mar 8

437 Holdings, One Spine: How a French Insurer's U.S. Equity Book Still Runs Through Five Mega-Caps

#data #investing #analysis

1 min read

Vic Chen

Mar 8

66.4% in Ten Stocks: Inside a French Private Bank’s Concentrated “Diversified” Portfolio

#data #investing #analysis

1 min read

Vic Chen

Mar 8

73 Holdings, 33.6% in Five Names: How Malaysia’s Pension Giant Allocates to U.S. Equities

#data #investing #analysis

2 min read

Vic Chen

Mar 8

139 New Positions, Same Identity: What Mengis Capital's $566B Reset Tells Us About Institutional Behavior

#analysis #data #investing

2 min read

Vic Chen

Mar 8

Inside Nuveen's $347B Filing: How a Broad Allocator Signals Conviction Through Position Sizing

#finance #data #investing #analysis

1 min read

Vic Chen

Mar 8

A $558B Portfolio With 46% in Five ETFs: Deconstructing Wick Capital's Allocation Engine

#finance #data #investing #analysis

1 min read

Vic Chen

Mar 8

When the Secondary Sleeve Tells a Different Story: Amundi's $349B Convertible Play

#finance #data #investing #analysis

2 min read

Vic Chen

Mar 6

How an ETF-First Advisory Firm Overlays Growth: Rehmann’s $1.78T Q4 Filing

#fintech #data #datascience #tutorial

1 min read

Vic Chen

Mar 6

Why Put Options in 13F Filings Are Almost Always Misread — A Data Analyst's Guide

#fintech #data #datascience #tutorial

1 min read

Vic Chen

Mar 6

50.2% in Two Stocks: Inside Oak Grove's $844B Semiconductor Concentration Bet

#fintech #data #datascience #ai

1 min read

Vic Chen

Mar 6

Reading 13F Filing Changes Like a Data Analyst: New, Added, Trimmed, and Exited

#fintech #data #datascience #tutorial

2 min read

Vic Chen

Mar 6

Bitcoin ETF in the Top 5: Analyzing Mariner Investment Group’s $1.71T Portfolio Rebuild

#fintech #data #datascience #ai

1 min read

Vic Chen

Mar 6

A Bank That Owns Itself: Analyzing Royal Bank of Canada's 29,036-Position 13F Filing

#fintech #data #datascience #tutorial

1 min read

Vic Chen

Mar 6

Capital Research Global's $542B Filing: Netflix +800%, Applied Materials Doubled, and a $1B Bitcoin Proxy Bet

#fintech #data #datascience #ai

1 min read

Vic Chen

Mar 6

Five Mega-Filers Built Netflix 700-943% in One Quarter: Tracking the Biggest Institutional Consensus Trade of Q4 2025

#fintech #data #datascience #ai

1 min read

Vic Chen

Mar 6

$638B Fund Puts Broadcom Over NVIDIA and Built a $2.5B Netflix Position in One Quarter

#fintech #data #datascience #ai

1 min read

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