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 | |
|---|---|---|---|---|---|---|
5851
CALL
Rush Enterprises Class A
RUSHA
$9.44B
| $2.19M | ﹤0.01% |
33,100
-9,100
| -22% | -$599K |
|
|
ONIT
5852
CALL
Onity Group
ONIT
$324M
| $2.19M | ﹤0.01% |
55,700
+51,100
| +1,111% | +$2.22M |
|
|
GRRR
5853
PUT
Gorilla Technology Group
GRRR
$421M
| $2.19M | ﹤0.01% |
207,600
-156,400
| -43% | -$1.91M |
|
5854
WisdomTree US LargeCap Dividend Fund
DLN
$6.45B
| $2.19M | ﹤0.01% |
24,471
-22,103
| -47% | -$2.01M |
|
|
LAR
5855
CALL
Lithium Argentina AG
LAR
$1.13B
| $2.19M | ﹤0.01% |
327,100
+28,000
| +9% | +$200K |
|
5856
Tiptree Inc
TIPT
$671M
| $2.18M | ﹤0.01% |
129,104
+22,361
| +21% | +$383K |
|
5857
CALL
State Street SPDR S&P Aerospace & Defense ETF
XAR
$6.61B
| $2.18M | ﹤0.01% |
8,600
-22,700
| -73% | -$6.22M |
|
5858
PUT
Helmerich & Payne
HP
$4.25B
| $2.18M | ﹤0.01% |
60,600
-80,600
| -57% | -$2.75M |
|
|
ALMS
5859
CALL
Alumis Inc
ALMS
$3.2B
| $2.18M | ﹤0.01% |
99,100
+53,100
| +115% | +$1.33M |
|
5860
ProShares UltraPro QQQ
TQQQ
$38.8B
| $2.18M | ﹤0.01% |
+52,367
| New | +$2.62M |
|
5861
PUT
WD-40
WDFC
$3.14B
| $2.18M | ﹤0.01% |
10,700
-3,500
| -25% | -$782K |
|
|
BIXIU
5862
Bitcoin Infrastructure Acquisition Corp Unit
BIXIU
$209M
| $2.18M | ﹤0.01% |
218,168
-202,627
| -48% | -$2.03M |
|
5863
CALL
Zymeworks
ZYME
$1.78B
| $2.18M | ﹤0.01% |
87,100
+72,800
| +509% | +$1.72M |
|
|
ARR
5864
PUT
Armour Residential REIT
ARR
$2.37B
| $2.18M | ﹤0.01% |
130,700
-48,920
| -27% | -$864K |
|
5865
Innovative Solutions & Support
ISSC
$380M
| $2.18M | ﹤0.01% |
106,179
+61,549
| +138% | +$1.43M |
|
5866
CALL
IDEX
IEX
$17.7B
| $2.18M | ﹤0.01% |
11,500
+10,100
| +721% | +$1.99M |
|
5867
ACNB Corp
ACNB
$661M
| $2.18M | ﹤0.01% |
45,478
+25,492
| +128% | +$1.26M |
|
5868
Direxion Daily CSI 300 China A Share Bull 2X ETF
CHAU
$95.8M
| $2.18M | ﹤0.01% |
107,469
+97,141
| +941% | +$2.1M |
|
5869
Red Cat Holdings
RCAT
$1.59B
| $2.18M | ﹤0.01% |
166,199
-278,019
| -63% | -$3.8M |
|
5870
CALL
Xylem
XYL
$28.2B
| $2.17M | ﹤0.01% |
18,200
-3,600
| -17% | -$472K |
|
5871
PUT
Lattice Semiconductor
LSCC
$18.5B
| $2.17M | ﹤0.01% |
23,400
-40,200
| -63% | -$3.6M |
|
5872
CALL
Bit Digital
BTBT
$562M
| $2.17M | ﹤0.01% |
1,656,400
-68,800
| -4% | -$126K |
|
5873
Cheniere Energy
CQP
$33.3B
| $2.17M | ﹤0.01% |
33,573
-4,144
| -11% | -$248K |
|
5874
Schwab US TIPS ETF
SCHP
$16.3B
| $2.17M | ﹤0.01% |
+81,461
| New | +$2.17M |
|
5875
CALL
State Street SPDR S&P Bank ETF
KBE
$1.75B
| $2.17M | ﹤0.01% |
36,400
-382,300
| -91% | -$23.8M |
|
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.