OpenStocks
Smart money
  • Super investors
  • Most popular stocks
  • Biggest buys
  • Biggest sells
  • New positions
  • Smart-money signals
Insiders
  • Insider trading
  • Browse insiders
  • Transactions feed
  • Insider trading RSS
Congress
  • Congress stock trades
  • All members of Congress
  • Trades by committee
  • Congress trades RSS
Markets
  • ETFs
  • Sectors
  • Industries
  • Stock screener
  • Daily market digest
  • Blog
Built from publicly disclosed institutional and insider activity. Informational purposes only - not investment advice.OpenStocks · v0.1
Logos by elbstream.com
  1. Home/
  2. Super Investors/
  3. Bill Nygren (Harris / Oakmark)
  • Overview
  • Portfolio167
  • Performance40Q
  • Options1
  • Activity5.4k
  • News

Bill Nygren

Harris / Oakmark
Share
  • Asset Manager · CIK 0000813917
  • Large Fund

Bill Nygren runs Harris / Oakmark, an asset manager overseeing $78.81B in disclosed equity holdings (SEC CIK 0000813917). The latest portfolio (2025Q4) discloses 167 positions across 10 sectors, with the largest positions in GOOGL, COF and CRM. On a mark-to-market basis the tracked portfolio has returned 203.6% since 2016Q1. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track Bill's filingsView holdings↓
Portfolio
$78.81B
Positions
167
Quarter
2025Q4
Filings tracked
40
Since filing+203.6%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q32024Q22024Q12023Q42023Q32023Q22023Q1

Not enough filing history to compute mark-to-market returns for Bill Nygren.

We need at least one year of portfolio coverage with priceable positions.

Performance overview

We mark Bill Nygren (Harris / Oakmark)'s disclosed portfolio to current market prices and compare its growth against the S&P 500 (SPY). Bill’s portfolio is 203.6% since 2016Q1.

Portfolio growth vs SPY
Rebased to 100 at 2021Q2 · through 2025Q4
Bill Nygren
+53.8%
SPY
+69.5%
Alpha
-15.7pp
69961231501772021Q22023Q32025Q4
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
+$20.09B+$10.04B$0-$10.04B-$20.09B'20Q3'20Q4'21Q1'21Q2'21Q3'21Q4'22Q1'22Q2'22Q3'22Q4'23Q1'23Q2'23Q3'23Q4'24Q1'24Q2
Latest · 2024Q2
+$455M
Lifetime buys
$92.67B
Lifetime sells
$99.82B
Portfolio over time
AUMPositions
$0$25.05B$50.09B$75.90B149132'20Q3'22Q2'24Q2
QoQ AUM
-4.4%
16Q lifetime AUM
+43.9%
QoQ positions
-1
16Q lifetime positions
+0
Position concentration
132 positions
Top 1
6%
of book
  • Top 16%$3.32BGOOGL
  • Top 2-515%$8.61BIQV, FISV, COF
  • Top 6-1014%$8.49BCHTR, SCHW, CNC
  • Top 11-2023%$13.77BGM, AIG, COP
  • Rest42%$24.90BRest of port