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Ken Griffin

Ken Griffin Citadel Advisors

AUM $618B
1-Year Est. Return 30.34%
 

Ken Griffin founded Citadel, one of the world’s largest and most successful hedge funds. Starting his trading career from his Harvard dorm room at a young age, Griffin quickly developed a keen sense for markets and built Citadel into a global powerhouse with billions in assets under management. Known for his quantitative and technology-driven strategies, Griffin has also made headlines for significant philanthropic contributions, supporting causes in education, the arts, and public institutions. Over the years, he has earned recognition as one of the preeminent figures in modern finance.

This Fund
S&P 500
This Quarter Est. Return
+1.3%
1 Year Est. Return
+30.34%
3 Year Est. Return
+94.87%
5 Year Est. Return
+105.94%
10 Year Est. Return
+434.06%
AUM
$618B
AUM Growth
-$47.4B
Cap. Flow
-$19.5B
Cap. Flow %
-3.16%
Top 10 Hldgs %
21.78%
Holding
14,860
New
2,347
Increased
5,138
Reduced
5,286
Closed
2,003

Top Buys

Rank Stock Value
1
IVV icon
iShares Core S&P 500 ETF
IVV
+$2.72B
2
META icon
Meta Platforms (Facebook)
META
+$660M
3
MU icon
Micron Technology
MU
+$605M
4
MA icon
Mastercard
MA
+$497M
5
TSLA icon
Tesla
TSLA
+$495M

Top Sells

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$1.33B
2
V icon
Visa
V
+$1.26B
3
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$1.23B
4
LRCX icon
Lam Research
LRCX
+$699M
5
DIA icon
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
+$681M

Sector Composition

Rank Sector Weight
1 Technology 4.49%
2 Healthcare 2.99%
3 Financials 2.85%
4 Industrials 2.56%
5 Consumer Discretionary 2.23%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SOGP
14101
Sound Group
SOGP
$46.4M
– –
-12,517
Closed -$174K
SOHO
14102
DELISTED
Sotherly Hotels
SOHO
– –
-12,250
Closed -$26.3K
SOXL icon
14103
Direxion Daily Semiconductor Bull 3X ETF
SOXL
$24.7B
– –
-3,040,955
Closed -$176M
SOXS icon
14104
Direxion Daily Semiconductor Bear 3X ETF
SOXS
$1.38B
– –
-5,952
Closed -$2.39M
SOXX icon
14105
iShares Semiconductor ETF
SOXX
$46.5B
– –
-125,205
Closed -$42.7M
SPAB icon
14106
State Street SPDR Portfolio Aggregate Bond ETF
SPAB
$9.93B
– –
-490,966
Closed -$12.6M
SPBO icon
14107
State Street SPDR Portfolio Corporate Bond ETF
SPBO
$2.09B
– –
-59,841
Closed -$1.76M
SPDV icon
14108
AAM S&P 500 High Dividend Value ETF
SPDV
$102M
– –
-17,260
Closed -$598K
SPEM icon
14109
State Street SPDR Portfolio Emerging Markets ETF
SPEM
$17.7B
– –
-804,351
Closed -$37.7M
SPEU icon
14110
State Street SPDR Portfolio Europe ETF
SPEU
$742M
– –
-25,544
Closed -$1.33M
SPLV icon
14111
PUT
Invesco S&P 500 Low Volatility ETF
SPLV
$7.18B
– –
-6,500
Closed -$464K
SPMO icon
14112
Invesco S&P 500 Momentum ETF
SPMO
$22.1B
– –
-12,078
Closed -$1.43M
SPOK icon
14113
CALL
Spok Holdings
SPOK
$231M
– –
-12,200
Closed -$161K
SPOK icon
14114
PUT
Spok Holdings
SPOK
$231M
– –
-18,600
Closed -$245K
SPRU icon
14115
PUT
Spruce Power Holding Corp
SPRU
$36.6M
– –
-11,200
Closed -$57K
SPSM icon
14116
State Street SPDR Portfolio S&P 600 Small Cap ETF
SPSM
$17.5B
– –
-16,361
Closed -$810K
SPUS icon
14117
SP Funds S&P 500 Sharia ETF
SPUS
$3.07B
– –
-24,251
Closed -$1.24M
SPUU icon
14118
Direxion Daily S&P 500 Bull 2X ETF
SPUU
$282M
– –
-37,589
Closed -$6.84M
QVMT
14119
Invesco S&P 500 Concentrated QVM ETF
QVMT
$136M
– –
-4,164
Closed -$238K
SPWH icon
14120
PUT
Sportsman's Warehouse
SPWH
$46M
– –
-17,200
Closed -$25.1K
SPXL icon
14121
Direxion Daily S&P 500 Bull 3x ETF
SPXL
$7.27B
– –
-25,566
Closed -$5.51M
SPYI icon
14122
NEOS S&P 500 High Income ETF
SPYI
$11.4B
– –
-45,391
Closed -$2.35M
SQQQ icon
14123
ProShares UltraPro Short QQQ
SQQQ
$1.73B
– –
-319,015
Closed -$22.6M
SRTS icon
14124
Sensus Healthcare
SRTS
$51M
– –
-33,459
Closed -$149K
SRTS icon
14125
PUT
Sensus Healthcare
SRTS
$51M
– –
-21,800
Closed -$86.8K
563 564
565
566 567

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Ken Griffin's Q1 2026 Portfolio in Review

As of Q1 2026, Ken Griffin held 14,860 positions worth $618B, down 7.1% from $666B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

Ken Griffin withdrew a net $19.5B in Q1 2026, closing 2,003 positions and reducing 5,286 holdings. Its most notable exit was CyberArk, an estimated $305M position sold in full.

By sector, the portfolio is most concentrated in Technology at 4.5% of assets, down from 4.9% a quarter earlier, followed by Healthcare and Financials.

Against the trend, Ken Griffin opened a new position in iShares 7-10 Year Treasury Bond ETF worth $327M.

  • Ken Griffin's largest Q1 2026 buy was iShares 7-10 Year Treasury Bond ETF: 3,431,225 shares worth $327M.
  • Ken Griffin added most to iShares Core S&P 500 ETF in Q1 2026, an estimated $2.72B increase.
  • Ken Griffin's biggest Q1 2026 reduction was Amazon, cutting an estimated $1.33B.
  • Ken Griffin fully exited CyberArk in Q1 2026, selling an estimated $305M.
  • Ken Griffin's ten largest holdings make up 22% of its $618B portfolio in Q1 2026.
  • Ken Griffin opened 2,347 new positions and closed 2,003 in Q1 2026.
  • Ken Griffin's portfolio value fell 7.1% quarter-over-quarter to $618B.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.