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 | |
|---|---|---|---|---|---|---|
476
J.M. Smucker
SJM
$12.7B
| $187M | 0.03% |
1,935,012
-699,622
| -27% | -$73.3M |
|
477
Kenvue
KVUE
$36.5B
| $187M | 0.03% |
10,820,981
+8,240,323
| +319% | +$147M |
|
478
Affirm
AFRM
$24.6B
| $187M | 0.03% |
4,071,115
+3,653,133
| +874% | +$211M |
|
479
Paylocity
PCTY
$7.73B
| $186M | 0.03% |
1,725,680
-16,821
| -1% | -$2.06M |
|
480
CALL
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$32.7B
| $186M | 0.03% |
1,708,300
-40,200
| -2% | -$4.43M |
|
481
PUT
Invesco S&P 500 Equal Weight ETF
RSP
$99.5B
| $186M | 0.03% |
967,000
-721,400
| -43% | -$143M |
|
482
CALL
Deere & Co
DE
$167B
| $185M | 0.03% |
328,800
-67,600
| -17% | -$38.1M |
|
483
PUT
Sea Limited
SE
$78.5B
| $185M | 0.03% |
2,231,600
+1,163,800
| +109% | +$125M |
|
484
Nucor
NUE
$61.7B
| $185M | 0.03% |
1,092,436
+221,371
| +25% | +$38.6M |
|
485
PUT
American Express
AXP
$232B
| $184M | 0.03% |
607,900
-292,900
| -33% | -$98.2M |
|
486
British American Tobacco
BTI
$120B
| $184M | 0.03% |
3,139,032
+971,906
| +45% | +$57.5M |
|
487
Halliburton
HAL
$27.7B
| $183M | 0.03% |
4,696,495
+3,698,426
| +371% | +$128M |
|
488
CALL
Moderna
MRNA
$25.4B
| $183M | 0.03% |
3,602,000
-3,294,500
| -48% | -$154M |
|
489
Darling Ingredients
DAR
$10B
| $183M | 0.03% |
2,953,975
+605,867
| +26% | +$29.8M |
|
490
CALL
Humana
HUM
$46.7B
| $181M | 0.03% |
1,044,900
+35,000
| +3% | +$7.17M |
|
491
CALL
Honeywell
HON
$74.6B
| $181M | 0.03% |
799,400
-884,400
| -53% | -$202M |
|
492
DT Midstream
DTM
$13.9B
| $181M | 0.03% |
1,340,817
-31,361
| -2% | -$4.09M |
|
493
PUT
NextEra Energy
NEE
$179B
| $181M | 0.03% |
1,943,700
+111,000
| +6% | +$9.87M |
|
494
Trane Technologies
TT
$105B
| $180M | 0.03% |
433,024
-341,569
| -44% | -$145M |
|
495
State Street Financial Select Sector SPDR ETF
XLF
$59.1B
| $180M | 0.03% |
3,653,505
+2,205,133
| +152% | +$115M |
|
496
Invitation Homes
INVH
$17.7B
| $180M | 0.03% |
7,252,144
+6,063,799
| +510% | +$159M |
|
497
Alibaba
BABA
$300B
| $180M | 0.03% |
1,435,941
+1,208,729
| +532% | +$182M |
|
498
Wells Fargo
WFC
$269B
| $179M | 0.03% |
2,254,234
-501,494
| -18% | -$43.1M |
|
499
KKR & Co
KKR
$99.5B
| $179M | 0.03% |
1,937,715
+1,589,867
| +457% | +$168M |
|
500
CALL
Comcast
CMCSA
$90.4B
| $179M | 0.03% |
6,239,100
+2,304,600
| +59% | +$69M |
|
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.