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 | |
|---|---|---|---|---|---|---|
276
PUT
Pfizer
PFE
$152B
| $338M | 0.05% |
12,053,900
-6,876,000
| -36% | -$183M |
|
277
PayPal
PYPL
$50.5B
| $338M | 0.05% |
7,477,174
+4,552,107
| +156% | +$220M |
|
|
ECHO
278
CALL
EchoStar
ECHO
$25.6B
| $336M | 0.05% |
2,871,730
+1,318,220
| +85% | +$151M |
|
279
PUT
iShares Expanded Tech-Software Sector ETF
IGV
$14.9B
| $335M | 0.05% |
4,188,200
+3,788,600
| +948% | +$335M |
|
280
PUT
Palo Alto Networks
PANW
$313B
| $333M | 0.05% |
2,080,200
-452,400
| -18% | -$76M |
|
281
CALL
Procter & Gamble
PG
$338B
| $333M | 0.05% |
2,307,900
-438,200
| -16% | -$66.4M |
|
282
CALL
Shopify
SHOP
$196B
| $330M | 0.05% |
2,784,600
-423,300
| -13% | -$55.6M |
|
283
iShares 7-10 Year Treasury Bond ETF
IEF
$47.1B
| $327M | 0.05% |
+3,431,225
| New | +$330M |
|
284
Duke Energy
DUK
$96.1B
| $327M | 0.05% |
2,498,977
+329,568
| +15% | +$41.2M |
|
285
CALL
GameStop
GME
$8.44B
| $327M | 0.05% |
14,191,300
+2,080,900
| +17% | +$48.3M |
|
286
Welltower
WELL
$163B
| $326M | 0.05% |
1,647,617
+1,457,430
| +766% | +$288M |
|
287
PUT
lululemon athletica
LULU
$14.3B
| $324M | 0.05% |
2,119,300
-1,911,500
| -47% | -$343M |
|
288
PUT
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$23.7B
| $324M | 0.05% |
2,971,700
+792,900
| +36% | +$92.7M |
|
289
CALL
Starbucks
SBUX
$122B
| $322M | 0.05% |
3,599,100
-1,128,000
| -24% | -$107M |
|
290
CALL
State Street SPDR S&P Regional Banking ETF
KRE
$4.61B
| $322M | 0.05% |
4,934,900
+1,229,300
| +33% | +$83.1M |
|
291
CALL
iShares MSCI South Korea ETF
EWY
$25.9B
| $321M | 0.05% |
2,612,600
+2,442,000
| +1,431% | +$306M |
|
292
Deere & Co
DE
$167B
| $320M | 0.05% |
568,058
+460,066
| +426% | +$260M |
|
293
Datadog
DDOG
$88.6B
| $319M | 0.05% |
2,705,995
+1,803,845
| +200% | +$223M |
|
294
Nike
NKE
$61.3B
| $318M | 0.05% |
6,021,830
+2,495,749
| +71% | +$151M |
|
|
PPL
295
PPL Corp
PPL
$26.5B
| $318M | 0.05% |
8,325,635
+6,502,534
| +357% | +$240M |
|
296
CALL
ConocoPhillips
COP
$151B
| $315M | 0.05% |
2,384,525
+513,425
| +27% | +$56.9M |
|
297
PUT
Bank of America
BAC
$448B
| $314M | 0.05% |
6,441,900
-4,882,300
| -43% | -$252M |
|
298
PUT
Intuit
INTU
$92B
| $312M | 0.05% |
720,500
+269,400
| +60% | +$129M |
|
299
PUT
Freeport-McMoran
FCX
$96.4B
| $311M | 0.05% |
5,286,300
+1,028,000
| +24% | +$62.1M |
|
300
Ametek
AME
$58.8B
| $310M | 0.05% |
1,445,049
-290,552
| -17% | -$64.6M |
|
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.