Updated · Source: SEC EDGAR · 13F filings reported ~45 days after quarter-end

Big Money

Track institutional 13F filings, insider Form 4 transactions, and activist SC 13D/13G positions in real time.

Today's Top Moves
Biggest Buys
NVDA
BlackRock Inc.
+3.1M shares
AMZN
BlackRock Inc.
+2.4M shares
TSLA
Zhu Xiaotong (SVP)
+20K exercised
Biggest Sells
META
Mark Zuckerberg (CEO)
-200K shares
AAPL
Berkshire Hathaway
-115M shares
MSFT
Brad Smith (Vice Chair)
-85K shares

No institutional activity found

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Latest Filings
Vanguard Group Inc.
13F-HR
2h ago
TSLA Tesla, Inc. +1.8% +1.2M
NVDA NVIDIA Corp. +0.7% +540K
MSFT Microsoft Corp. -0.3% -180K
GOOGL Alphabet Inc. +0.5% +310K
META Meta Platforms, Inc. +2.1% +680K
AMD Advanced Micro Devices +3.4% +920K
AUM $8.6T View full filing →
Berkshire Hathaway Inc.
13F-HR
5h ago
AAPL Apple Inc. -13.0% -115M
OXY Occidental Petroleum +2.0% +2.1M
KO Coca-Cola Co. 0.0% 0
AUM $364B View full filing →
BlackRock Inc.
13F-HR
8h ago
AMZN Amazon.com Inc. +2.3% +2.4M
JPM JPMorgan Chase +1.1% +890K
NVDA NVIDIA Corp. +4.2% +3.1M
AAPL Apple Inc. -0.4% -420K
GOOGL Alphabet Inc. +1.7% +1.3M
TSLA Tesla, Inc. +0.9% +580K
AUM $10.5T View full filing →
State Street Global Advisors
13F-HR
1d ago
SPY SPDR S&P 500 ETF +1.9M
TSLA Tesla, Inc. +420K
BRK.B Berkshire Hathaway B -95K
AUM $4.1T View full filing →

No institutional activity found

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MI
META Insider Activity — Javier Olivan
COO — META
Form 4
Summary Javier Olivan (COO) sold 1,555 shares at $680.09 average on Apr 20, 2026 under 10b5-1 plan adopted Nov 17, 2025. Proceed
Filed Apr 22, 2026 SEC filing →
AI
AMZN Insider Activity — Andy Jassy
President & CEO — AMZN
Form 4
Summary Andy Jassy (President & CEO) sold 31,000 common shares at $255.00 on Apr 17, 2026 (~$7.9M) under a 10b5-1 plan adopted N
Filed Apr 21, 2026 SEC filing →
AI
AAPL Insider Activity — Kevan Parekh
SVP, CFO — AAPL
Form 4
Summary Kevan Parekh (SVP, CFO) — RSU settlement and tax withholding only (M and F codes) at $266.43. No open-market discretiona
Filed Apr 17, 2026 SEC filing →
GI
GOOGL Insider Activity — John L. Hennessy
Chair — GOOGL
Form 4
Summary John L. Hennessy (Chair) sold 1,048 Class C shares via trust under 10b5-1 plan adopted Nov 10, 2025 (first trade Mar 15,
Filed Apr 17, 2026 SEC filing →
AI
AMD Insider Activity — Mark Papermaster
CTO and EVP — AMD
Form 4
Summary Mark Papermaster (CTO and EVP) — 10b5-1 plan: option exercise of 6,000 shares, then 33,109 shares sold in $263-$275 rang
Filed Apr 17, 2026 SEC filing →
MI
MSFT Insider Activity — Coleman Amy
EVP, Chief Human Resources Officer — MSFT
Form 4
Summary Coleman Amy (EVP, Chief Human Resources Officer) Code F tax withholding on vested RSUs: 1,364 shares at $393.11. Non-sal
Filed Apr 15, 2026 SEC filing →
JI
JPM Insider Activity — Cluster sell two days after Q1 earnings. Jamie Dimon sold 130,488 shares at $306.557…
JPM
Form 4
Summary Cluster sell two days after Q1 earnings. Jamie Dimon sold 130,488 shares at $306.557 under a 10b5-1 plan, retaining 1,68
Filed Apr 15, 2026 SEC filing →
BI
BABA Insider Activity — Four routine RSU-vest filings on the same day: CEO Wu Yongming
13,333 shares, code M — BABA
Form 4
Summary Four routine RSU-vest filings on the same day: CEO Wu Yongming (13,333 shares, code M), Co-founder/Chairman Joseph C. Ts
Filed Apr 3, 2026 SEC filing →
TI
TSLA Insider Activity — Director Kathleen Wilson-Thompson exercised 40,000 options at $14.99 strike, then sold…
TSLA
Form 4
Summary Director Kathleen Wilson-Thompson exercised 40,000 options at $14.99 strike, then sold ~25,809 shares across 16 tranches
Filed Apr 1, 2026 SEC filing →
NI
NVDA Insider Activity — Director Mark A. Stevens sold 221,682 shares between $172.61 and $174.57 (approx $38.5M…
NVDA
Form 4
Summary Director Mark A. Stevens sold 221,682 shares between $172.61 and $174.57 (approx $38.5M proceeds). NOT a 10b5-1 plan — a
Filed Mar 24, 2026 SEC filing →

No institutional activity found

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Starboard Value LP
META Meta Platforms, Inc.
SC 13D Activist
Ownership Stake 5.2%
Shares 131.4M
Market Value $78.7B
Purpose Cost Discipline, AI Capex Review
Filed Apr 14, 2026 SEC filing →
Elliott Management
MSFT Microsoft Corp.
SC 13G Passive
Ownership Stake 3.1%
Shares 230M
Market Value $102.4B
Purpose Investment
Filed Apr 10, 2026 SEC filing →
Third Point LLC
GOOGL Alphabet Inc.
SC 13D/A Increased
Ownership Stake 6.1%
Shares 740M
Market Value $127.6B
Purpose Waymo Spin-off, Cloud Monetization
Filed Apr 8, 2026 SEC filing →
Pershing Square Capital
AMD Advanced Micro Devices
SC 13G Passive
Ownership Stake 7.2%
Shares 116.5M
Market Value $19.6B
Purpose Investment
Filed Apr 5, 2026 SEC filing →
ValueAct Capital
JPM JPMorgan Chase
SC 13D Activist
Ownership Stake 5.4%
Shares 152M
Market Value $35.4B
Purpose Succession Planning, Capital Return
Filed Apr 3, 2026 SEC filing →

No institutional activity found

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Whale Tracker
WB
Warren Buffett
Berkshire Hathaway Inc.
AAPL Trimmed
300M shares
OXY Added
255M shares
KO Held
400M shares
BAC Held
1.03B shares
CVX Added
110M shares
Portfolio $364B All positions →
CW
Cathie Wood
ARK Invest
TSLA Added
4.2M shares
NVDA Added
800K shares
AMD New
450K shares
META Sold
0 shares
GOOGL Held
1.1M shares
Portfolio $14.2B All positions →
BA
Bill Ackman
Pershing Square Capital
GOOGL Added
12.4M shares
AMZN Held
6.2M shares
MSFT Held
3.8M shares
JPM New
2.1M shares
Portfolio $18.6B All positions →

No institutional activity found

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Filing Timeline — Last 30 Days
SEC Filing Activity
13F
Form 4
SC 13D/13G
20 15 10 5 0 Mar 17 Mar 22 Mar 27 Apr 1 Apr 6 Apr 11 Apr 15