Ken Griffin Citadel Advisors
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.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Core S&P 500 ETF
IVV
|
+$2.72B |
| 2 |
Meta Platforms (Facebook)
META
|
+$660M |
| 3 |
Micron Technology
MU
|
+$605M |
| 4 |
Mastercard
MA
|
+$497M |
| 5 |
Tesla
TSLA
|
+$495M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$1.33B |
| 2 |
Visa
V
|
+$1.26B |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$1.23B |
| 4 |
Lam Research
LRCX
|
+$699M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
7676
ALPS Clean Energy ETF
ACES
$124M
| $971K | ﹤0.01% |
+28,964
| New | +$1,000K |
|
7677
CALL
Pegasystems
PEGA
$5.19B
| $970K | ﹤0.01% |
22,800
-4,700
| -17% | -$218K |
|
7678
NWPX Infrastructure Inc
NWPX
$1.1B
| $969K | ﹤0.01% |
12,443
+6,355
| +104% | +$459K |
|
7679
CALL
Acadia Healthcare
ACHC
$2.92B
| $968K | ﹤0.01% |
41,400
-4,600
| -10% | -$83.3K |
|
7680
Victory Portfolios II VictoryShares Core Plus Bond ETF
UBND
$1.99B
| $968K | ﹤0.01% |
44,454
+28,735
| +183% | +$632K |
|
7681
CALL
Direxion Daily Utilities Bull 3X ETF
UTSL
$38.3M
| $968K | ﹤0.01% |
19,900
+13,400
| +206% | +$620K |
|
7682
WisdomTree US Quality Growth Fund
QGRW
$2.89B
| $968K | ﹤0.01% |
18,115
+12,830
| +243% | +$733K |
|
7683
PUT
Middleby
MIDD
$5.27B
| $968K | ﹤0.01% |
7,300
-400
| -5% | -$60.6K |
|
7684
PUT
Astronics
ATRO
$4.27B
| $968K | ﹤0.01% |
17,400
+6,840
| +65% | +$413K |
|
|
PMMF
7685
iShares Prime Money Market ETF
PMMF
$670M
| $967K | ﹤0.01% |
+9,626
| New | +$966K |
|
|
SOLZ
7686
CALL
Solana ETF
SOLZ
$87.5M
| $967K | ﹤0.01% |
115,700
-221,200
| -66% | -$2.3M |
|
7687
News Corp Class B
NWS
$17.4B
| $966K | ﹤0.01% |
33,899
-25,094
| -43% | -$708K |
|
|
SLI
7688
Standard Lithium
SLI
$601M
| $966K | ﹤0.01% |
283,269
-216,731
| -43% | -$970K |
|
|
BRSL
7689
CALL
Brightstar Lottery PLC
BRSL
$2.04B
| $966K | ﹤0.01% |
75,800
-1,144,300
| -94% | -$15.8M |
|
7690
CALL
Atmus Filtration Technologies
ATMU
$4.06B
| $965K | ﹤0.01% |
17,000
+4,900
| +40% | +$290K |
|
7691
CALL
Direxion Daily S&P Biotech Bear 3X ETF
LABD
$38.3M
| $965K | ﹤0.01% |
59,190
+11,000
| +23% | +$208K |
|
7692
iShares Global Timber & Forestry ETF
WOOD
$268M
| $965K | ﹤0.01% |
+13,596
| New | +$1.02M |
|
7693
PUT
AXIS Capital
AXS
$7.38B
| $963K | ﹤0.01% |
9,500
+7,200
| +313% | +$739K |
|
7694
Pennant Group
PNTG
$1.35B
| $963K | ﹤0.01% |
31,603
-97,353
| -75% | -$3.01M |
|
7695
PUT
Cheniere Energy
CQP
$32.8B
| $963K | ﹤0.01% |
14,900
+7,600
| +104% | +$455K |
|
7696
Equity Bancshares
EQBK
$1.05B
| $962K | ﹤0.01% |
21,662
+13,554
| +167% | +$617K |
|
7697
T-Rex 2X Long Alphabet Daily Target ETF
GOOX
$47.1M
| $960K | ﹤0.01% |
17,142
-3,000
| -15% | -$207K |
|
7698
Simplify US Equity PLUS GBTC ETF
SPBC
$42.8M
| $960K | ﹤0.01% |
23,086
+12,971
| +128% | +$570K |
|
7699
CALL
StoneX
SNEX
$8.15B
| $960K | ﹤0.01% |
17,850
-15,675
| -47% | -$793K |
|
7700
CALL
iShares MBS ETF
MBB
$39.1B
| $959K | ﹤0.01% |
+10,100
| New | +$965K |
|
Similar funds
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.