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 | |
|---|---|---|---|---|---|---|
851
PUT
ProShares UltraPro Short QQQ
SQQQ
$1.67B
| $93.7M | 0.02% |
1,163,672
+19,196
| +2% | +$1.36M |
|
852
James Hardie Industries
JHX
$18B
| $93.6M | 0.02% |
4,942,396
-2,659,683
| -35% | -$59.8M |
|
853
Teck Resources
TECK
$31.2B
| $93.5M | 0.02% |
1,807,264
+1,045,330
| +137% | +$56M |
|
854
PUT
MetLife
MET
$61.9B
| $93.3M | 0.02% |
1,319,900
-293,800
| -18% | -$22M |
|
855
CALL
First Majestic Silver
AG
$9.24B
| $93.3M | 0.02% |
4,344,500
+1,932,600
| +80% | +$44.5M |
|
856
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$17.9B
| $93.3M | 0.02% |
1,172,886
-953,611
| -45% | -$76.7M |
|
857
Copart
CPRT
$27.4B
| $93.2M | 0.02% |
2,808,258
+30,505
| +1% | +$1.15M |
|
|
TTAN
858
ServiceTitan Inc
TTAN
$8.89B
| $93.2M | 0.02% |
1,467,923
+1,276,721
| +668% | +$98.5M |
|
859
CALL
Emerson Electric
EMR
$91.3B
| $92.8M | 0.02% |
708,200
+209,800
| +42% | +$30.2M |
|
860
PUT
Amplify Junior Silver Miners ETF
SILJ
$3.88B
| $92.6M | 0.02% |
3,117,300
+1,897,800
| +156% | +$63M |
|
861
CALL
Kimberly-Clark
KMB
$36.8B
| $92.4M | 0.01% |
958,200
+178,300
| +23% | +$18.2M |
|
862
CALL
Direxion Daily Small Cap Bull 3x ETF
TNA
$1.5B
| $92.4M | 0.01% |
2,094,600
+1,188,700
| +131% | +$60.9M |
|
863
W.R. Berkley
WRB
$26.2B
| $92.4M | 0.01% |
1,394,141
+1,281,891
| +1,142% | +$88.3M |
|
864
Steel Dynamics
STLD
$37.2B
| $92.3M | 0.01% |
512,586
+406,726
| +384% | +$74M |
|
865
CF Industries
CF
$17.6B
| $92.1M | 0.01% |
709,077
+381,919
| +117% | +$38.9M |
|
866
GE HealthCare
GEHC
$33.4B
| $92.1M | 0.01% |
1,293,268
+917,266
| +244% | +$72.3M |
|
867
CALL
Texas Pacific Land
TPL
$24B
| $92M | 0.01% |
193,800
+139,200
| +255% | +$59.8M |
|
868
Bank of America
BAC
$448B
| $91.9M | 0.01% |
1,884,892
-224,870
| -11% | -$11.6M |
|
869
PUT
Cloudflare
NET
$118B
| $91.9M | 0.01% |
445,300
-256,900
| -37% | -$49M |
|
870
Core Scientific
CORZ
$6.34B
| $91.8M | 0.01% |
6,134,355
-4,196,411
| -41% | -$71.6M |
|
871
First American
FAF
$7.54B
| $91.7M | 0.01% |
1,520,425
+111,687
| +8% | +$7.15M |
|
872
CALL
Charter Communications
CHTR
$18.7B
| $91.6M | 0.01% |
424,500
+52,300
| +14% | +$11.3M |
|
873
CALL
iShares US Technology ETF
IYW
$25.7B
| $91.6M | 0.01% |
505,100
+474,700
| +1,562% | +$91.7M |
|
874
PUT
Synopsys
SNPS
$79B
| $91.6M | 0.01% |
231,000
-232,625
| -50% | -$105M |
|
875
Pinduoduo
PDD
$120B
| $91.4M | 0.01% |
894,578
+579,316
| +184% | +$60.9M |
|
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.