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Built from publicly disclosed institutional and insider activity. Informational purposes only - not investment advice.OpenStocks · v0.1
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  1. Home/
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  3. Izzy Englander (Millennium Mgmt)
  • Overview
  • Portfolio4.1k
  • Performance40Q
  • Options1.9k
  • Activity175k
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Multi-Strategy · CIK 0001273087

Izzy Englander

Millennium Mgmt
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  • Mega-Fund

Izzy Englander runs Millennium Mgmt, a multi-strategy overseeing $139.21B in disclosed equity holdings (SEC CIK 0001273087). The latest portfolio (2025Q4) discloses 4067 positions across 11 sectors, with the largest positions in IVV, WMT and NVDA. On a mark-to-market basis the tracked portfolio has returned 28.5% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track Izzy's filingsView holdings↓
Portfolio
$139.21B
Positions
4067
Quarter
2025Q4
Filings tracked
40
1Y+28.5%Since filing+116.6%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q32024Q22024Q12023Q42023Q32023Q22023Q1
1-YearTWR
+28.52%
since 2024Q4
3-Year
—
insufficient history
5-Year
—
insufficient history
10-Year
—
insufficient history

Performance overview

We mark Izzy Englander (Millennium Mgmt)'s disclosed portfolio to current market prices and compare its growth against the S&P 500 (SPY). Izzy’s portfolio is 28.5% over the last 12 months · 116.6% since 2016Q1.

Portfolio growth vs SPY
Rebased to 100 at 2021Q2 · through 2025Q4
Izzy Englander
+98.5%
SPY
+69.5%
Alpha
+28.9pp
751081421752082021Q22023Q32025Q4
Portfolio line is the GIPS-compliant time-weighted return chain-linked across the manager's quarterly 13F filings — unaffected by capital flows. Quarters with insufficient held-through coverage are skipped, which can briefly flatten the line.
Capital flow per quarter
BuysSellsNet
+$44.19B+$22.09B$0-$22.09B-$44.19B'20Q1'20Q2'20Q3'20Q4'21Q1'21Q2'21Q3'21Q4'22Q1'22Q2'22Q3'22Q4'23Q1'23Q2'23Q3'23Q4
Latest · 2023Q4
-$1.64B
Lifetime buys
$478.50B
Lifetime sells
$444.42B
Portfolio over time
AUMPositions
$0$34.82B$69.64B$105.52B51133092'20Q1'21Q4'23Q4
QoQ AUM
+9.7%
16Q lifetime AUM
+321.5%
QoQ positions
-77
16Q lifetime positions
+939
Position concentration
4031 positions
Top 1
3%
of book
  • Top 13%$3.40BIVV
  • Top 2-56%$5.93BMSFT, SPY, AMZN
  • Top 6-104%$4.18BNVDA, GOOGL, KKR
  • Top 11-205%$5.22BGOOG, MRK, WDC
  • Rest82%$86.79BRest of port