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 | |
|---|---|---|---|---|---|---|
5401
Napco Security Technologies
NSSC
$1.37B
| $2.75M | ﹤0.01% |
69,690
-72,855
| -51% | -$3.06M |
|
|
JBS
5402
CALL
JBS N.V.
JBS
$43.8B
| $2.74M | ﹤0.01% |
152,700
-415,900
| -73% | -$6.47M |
|
5403
PUT
ACM Research
ACMR
$5.65B
| $2.74M | ﹤0.01% |
69,600
-119,100
| -63% | -$6.32M |
|
5404
Kodak
KODK
$978M
| $2.74M | ﹤0.01% |
302,623
-657,353
| -68% | -$5.02M |
|
5405
Global X S&P 500 Covered Call ETF
XYLD
$3.28B
| $2.74M | ﹤0.01% |
69,900
-590
| -0.8% | -$23.8K |
|
5406
CALL
CNX Resources
CNX
$5.23B
| $2.73M | ﹤0.01% |
70,900
+400
| +0.6% | +$15.6K |
|
5407
PUT
GeneDx Holdings
WGS
$2.36B
| $2.73M | ﹤0.01% |
42,500
-29,000
| -41% | -$2.64M |
|
5408
Sensient Technologies
SXT
$5.53B
| $2.73M | ﹤0.01% |
31,566
-28,321
| -47% | -$2.65M |
|
5409
CALL
STAAR Surgical
STAA
$1.26B
| $2.73M | ﹤0.01% |
+145,900
| New | +$2.78M |
|
5410
CALL
Vanguard Morningstar Mid-Cap Growth ETF
VOT
$20.3B
| $2.73M | ﹤0.01% |
+10,600
| New | +$2.91M |
|
5411
Victory Portfolios II VictoryShares Core Intermediate Bond ETF
UITB
$2.66B
| $2.73M | ﹤0.01% |
58,004
+39,241
| +209% | +$1.86M |
|
5412
CALL
Silicon Laboratories
SLAB
$7.28B
| $2.73M | ﹤0.01% |
13,100
-17,400
| -57% | -$3.19M |
|
5413
AdvisorShares Pure US Cannabis ETF
MSOS
$934M
| $2.73M | ﹤0.01% |
767,705
+66,362
| +9% | +$272K |
|
5414
Invesco BulletShares 2026 Corporate Bond ETF
BSCQ
$3.57B
| $2.72M | ﹤0.01% |
+139,466
| New | +$2.73M |
|
5415
PUT
Aurora
AUR
$13.4B
| $2.72M | ﹤0.01% |
660,900
-446,800
| -40% | -$1.98M |
|
5416
JPMorgan BetaBuilders Developed Asia Pacific-ex Japan ETF
BBAX
$6.78B
| $2.72M | ﹤0.01% |
+45,782
| New | +$2.77M |
|
5417
Energy Vault
NRGV
$669M
| $2.72M | ﹤0.01% |
824,825
+26,656
| +3% | +$110K |
|
5418
CALL
Trinity Capital Inc.
TRIN
$1.75B
| $2.72M | ﹤0.01% |
185,000
-1,900
| -1% | -$29.3K |
|
5419
AMC Entertainment Holdings
AMC
$2.35B
| $2.72M | ﹤0.01% |
2,775,716
-968,200
| -26% | -$1.25M |
|
5420
CALL
Vanguard Long-Term Corporate Bond ETF
VCLT
$8.8B
| $2.72M | ﹤0.01% |
36,400
+4,400
| +14% | +$334K |
|
|
NAK
5421
Northern Dynasty Minerals
NAK
$930M
| $2.72M | ﹤0.01% |
1,942,188
-984,032
| -34% | -$1.71M |
|
5422
CALL
iShares US Telecommunications ETF
IYZ
$1.24B
| $2.72M | ﹤0.01% |
69,100
+55,700
| +416% | +$2.08M |
|
5423
First Trust Nasdaq Artificial Intelligence and Robotics ETF
ROBT
$796M
| $2.72M | ﹤0.01% |
58,847
-19,170
| -25% | -$978K |
|
5424
Entrada Therapeutics
TRDA
$290M
| $2.71M | ﹤0.01% |
215,018
-77,752
| -27% | -$891K |
|
5425
PUT
Universal Display
OLED
$4.18B
| $2.71M | ﹤0.01% |
29,600
-2,100
| -7% | -$232K |
|
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.