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 | |
|---|---|---|---|---|---|---|
1401
CALL
Aflac
AFL
$60.7B
| $47.6M | 0.01% |
433,900
-22,800
| -5% | -$2.53M |
|
1402
Axsome Therapeutics
AXSM
$11.2B
| $47.6M | 0.01% |
281,503
+143,290
| +104% | +$24.8M |
|
1403
Check Point Software Technologies
CHKP
$13.7B
| $47.5M | 0.01% |
332,862
+172,749
| +108% | +$28.9M |
|
1404
Kroger
KR
$35.1B
| $47.5M | 0.01% |
655,844
+507,714
| +343% | +$34.3M |
|
1405
Brixmor Property Group
BRX
$9.21B
| $47.4M | 0.01% |
1,647,405
-646,453
| -28% | -$18.2M |
|
|
NBIS
1406
Nebius Group N.V.
NBIS
$69.3B
| $47.4M | 0.01% |
456,668
-69,578
| -13% | -$6.94M |
|
1407
Keurig Dr Pepper
KDP
$42.3B
| $47.3M | 0.01% |
1,796,832
+714,411
| +66% | +$20M |
|
1408
PUT
Public Storage
PSA
$61.4B
| $47.2M | 0.01% |
174,400
-400
| -0.2% | -$115K |
|
1409
PUT
Core Scientific
CORZ
$6.36B
| $46.9M | 0.01% |
3,137,700
-1,686,500
| -35% | -$28.8M |
|
1410
PUT
Global X Silver Miners ETF NEW
SIL
$4.75B
| $46.9M | 0.01% |
520,700
+191,900
| +58% | +$18.9M |
|
|
RAL
1411
Ralliant Corp
RAL
$7.9B
| $46.9M | 0.01% |
1,126,822
+811,805
| +258% | +$38.2M |
|
1412
CALL
Howmet Aerospace
HWM
$113B
| $46.9M | 0.01% |
203,300
-33,800
| -14% | -$7.88M |
|
|
SION
1413
Sionna Therapeutics
SION
$296M
| $46.8M | 0.01% |
1,166,931
+79,606
| +7% | +$3.04M |
|
1414
PUT
Johnson Controls International
JCI
$91.7B
| $46.7M | 0.01% |
356,700
-290,300
| -45% | -$37.5M |
|
1415
CALL
National Grid
NGG
$81.6B
| $46.7M | 0.01% |
551,500
+60,100
| +12% | +$5.18M |
|
1416
CALL
Archer Daniels Midland
ADM
$38.6B
| $46.6M | 0.01% |
641,200
-17,500
| -3% | -$1.18M |
|
|
EXE
1417
CALL
Expand Energy Corp
EXE
$21.9B
| $46.5M | 0.01% |
423,300
+47,664
| +13% | +$5.09M |
|
1418
CALL
SolarEdge
SEDG
$1.98B
| $46.4M | 0.01% |
908,400
-1,042,200
| -53% | -$39.2M |
|
1419
DHT Holdings
DHT
$3.09B
| $46.3M | 0.01% |
2,534,077
+1,527,834
| +152% | +$24.3M |
|
1420
CALL
Elbit Systems
ESLT
$36.5B
| $46.3M | 0.01% |
54,500
+26,700
| +96% | +$20.6M |
|
1421
CALL
Pinterest
PINS
$13.2B
| $46.3M | 0.01% |
2,522,600
+620,400
| +33% | +$12.9M |
|
1422
CALL
Mondelez International
MDLZ
$81.1B
| $46.3M | 0.01% |
802,400
+56,600
| +8% | +$3.28M |
|
1423
Americold
COLD
$4.32B
| $46.2M | 0.01% |
4,028,079
-404,684
| -9% | -$5.07M |
|
1424
Polaris
PII
$3.91B
| $46.1M | 0.01% |
846,535
+785,978
| +1,298% | +$49.2M |
|
1425
PUT
Global X Uranium ETF
URA
$6.31B
| $46.1M | 0.01% |
952,000
+13,500
| +1% | +$703K |
|
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.