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What Ken Griffin last reported owning

This filing includes Citadel Securities, the firm's market maker, among its reporting managers, and option rows show the value of the underlying shares. The total is not the size of Ken Griffin's hedge fund.

Citadel Advisors

Latest 13F filed Sep 2, 2026 for the quarter ending Jun 30, 2026 · $875.01B across 13572 positions · view on SEC EDGAR

Top holdings

From the 13F filed Sep 2, 2026. Bars show each position's share of the reported book.

#HoldingValue% of bookShares
1STATE STR SPDR S&P 500 ETF TCALL$35.66B4.1%47,748,200
2INVESCO QQQ TRPUT$26.55B3.0%36,059,900
3INVESCO QQQ TRCALL$23.49B2.7%31,899,300
4STATE STR SPDR S&P 500 ETF TPUT$23.27B2.7%31,154,800
5MICRON TECHNOLOGY INCPUT$22.25B2.5%19,275,300
6MICRON TECHNOLOGY INCCALL$16.34B1.9%14,155,700
7TESLA INCCALL$13.70B1.6%32,564,700
8ISHARES TR$13.24B1.5%17,676,489
9NVIDIA CORPORATIONCALL$12.19B1.4%60,899,600
10SANDISK CORPPUT$11.72B1.3%5,155,949
11VANECK ETF TRUSTPUT$11.57B1.3%17,637,400
12SANDISK CORPCALL$10.34B1.2%4,546,500
13MICROSOFT CORPCALL$9.70B1.1%25,992,400
14TESLA INCPUT$9.59B1.1%22,796,200
15ADVANCED MICRO DEVICES INCPUT$9.36B1.1%16,109,000
16NVIDIA CORPORATIONPUT$9.18B1.0%45,898,800
17APPLE INCCALL$9.04B1.0%31,233,300
18ADVANCED MICRO DEVICES INCCALL$9.02B1.0%15,530,900
19META PLATFORMS INCCALL$8.68B1.0%15,401,700
20ISHARES TRPUT$7.84B0.9%26,086,800
21ALPHABET INCCALL$7.20B0.8%20,146,600
22MICROSOFT CORPPUT$6.33B0.7%16,959,500
23APPLE INCPUT$6.24B0.7%21,574,100
24AMAZON COM INCCALL$5.93B0.7%24,885,700
25META PLATFORMS INCPUT$5.08B0.6%9,026,300

Showing top 25 of 13572 reported positions. Put/Call tags mark options positions.

Latest-quarter moves

From the most recent 13F vs. the prior quarter

New buys2660
  • SPACE EXPLORATION TECHN CORP (Call)$1.42B
  • SPACE EXPLORATION TECHN CORP (Put)$973.5M
  • ROUNDHILL ETF TRUST (Call)$907.9M
  • SPACE EXPLORATION TECHN CORP$876.5M
  • ROUNDHILL ETF TRUST (Put)$824.1M
  • CEREBRAS SYSTEMS INC$275.8M
  • MADISON AIR SOLUTIONS CORP$251.5M
  • CEREBRAS SYSTEMS INC (Call)$218.5M
  • CEREBRAS SYSTEMS INC (Put)$193.9M
  • QUANTINUUM INC$188.0M
  • ALPHABET INC$177.9M
  • HONEYWELL AEROSPACE INC$155.8M
+2648 more
Added to6072
  • STATE STR SPDR S&P 500 ETF T (Call)$35.66B
  • INVESCO QQQ TR (Put)$26.55B
  • INVESCO QQQ TR (Call)$23.49B
  • MICRON TECHNOLOGY INC (Put)$22.25B
  • MICRON TECHNOLOGY INC (Call)$16.34B
  • ISHARES TR$13.24B
  • SANDISK CORP (Put)$11.72B
  • VANECK ETF TRUST (Put)$11.57B
  • SANDISK CORP (Call)$10.34B
  • MICROSOFT CORP (Call)$9.70B
  • ADVANCED MICRO DEVICES INC (Put)$9.36B
  • ADVANCED MICRO DEVICES INC (Call)$9.02B
+6060 more
Trimmed4784
  • STATE STR SPDR S&P 500 ETF T (Put)$23.27B
  • TESLA INC (Call)$13.70B
  • NVIDIA CORPORATION (Call)$12.19B
  • TESLA INC (Put)$9.59B
  • NVIDIA CORPORATION (Put)$9.18B
  • APPLE INC (Call)$9.04B
  • AMAZON COM INC (Call)$5.93B
  • SPDR GOLD TR (Call)$4.89B
  • ALPHABET INC (Put)$4.51B
  • AMAZON COM INC (Put)$3.73B
  • ISHARES TR (Put)$3.33B
  • SPDR GOLD TR (Put)$3.01B
+4772 more
Exited1945
  • WESTERN DIGITAL CORP$696.7M
  • ISHARES TR$327.5M
  • LIVE NATION ENTERTAINMENT IN$217.3M
  • COTERRA ENERGY INC$216.4M
  • CLEARWATER ANALYTICS HLDGS I$199.6M
  • TERNS PHARMACEUTICALS INC$169.7M
  • GLOBUS MED INC$169.4M
  • PROTAGONIST THERAPEUTICS INC$163.6M
  • TECHNIPFMC PLC$104.6M
  • MIRUM PHARMACEUTICALS INC$97.2M
  • ALIGNMENT HEALTHCARE INC$94.5M
  • MASTEC INC$90.0M
+1933 more

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Questions people ask

What did Ken Griffin's Citadel Advisors own in its latest 13F?

The 13F filed Sep 2, 2026 for the quarter ending Jun 30, 2026 listed 13572 positions worth $875.01B. The largest was STATE STR SPDR S&P 500 ETF T at $35.66B, 4.1% of the reported portfolio.

When did Citadel Advisors last file a 13F?

On Sep 2, 2026, covering the quarter that ended Jun 30, 2026. The next one is due within 45 days of the next quarter end, so the positions here can be up to 45 days old on the day they are published.

What did Ken Griffin's Citadel Advisors buy and sell last quarter?

Compared with the prior 13F, the latest filing shows 2660 new positions, 6072 positions added to, 4784 trimmed and 1945 sold out entirely. Each is listed above with its size.

Does this page show everything Citadel Advisors owns?

No. A 13F covers long positions in US-listed stocks, certain options and convertible notes. It leaves out short positions, cash, bonds, private holdings and shares listed outside the US, so the total here is not the fund's full size.

Data from SEC EDGAR filings. 13Fs are quarterly and lag by up to 45 days, cover only US-listed long positions and certain options, and exclude shorts and non-US holdings. Not investment advice.