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 |
NVIDIA
NVDA
|
+$820M |
| 2 |
Microsoft
MSFT
|
+$811M |
| 3 |
McDonald's
MCD
|
+$804M |
| 4 |
Coca-Cola
KO
|
+$655M |
| 5 |
Amazon
AMZN
|
+$646M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
SCHW
Charles Schwab
SCHW
|
+$1.64B |
| 2 |
Invesco QQQ Trust
QQQ
|
+$1.1B |
| 3 |
Strategy Inc
MSTR
|
+$564M |
| 4 |
Kroger
KR
|
+$558M |
| 5 |
Danaher
DHR
|
+$494M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.33% |
| 2 | Healthcare | 3.23% |
| 3 | Consumer Discretionary | 2.55% |
| 4 | Financials | 2.55% |
| 5 | Industrials | 1.94% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3476
CALL
ProShares UltraShort S&P500
SDS
$366M
| $7.17M | ﹤0.01% |
86,080
+51,220
| +147% | +$5.09M |
|
|
SEE
3477
CALL
DELISTED
Sealed Air
SEE
| $7.16M | ﹤0.01% |
230,700
+85,900
| +59% | +$2.55M |
|
3478
PUT
CRH
CRH
$64.6B
| $7.15M | ﹤0.01% |
77,900
-91,700
| -54% | -$8.36M |
|
3479
Rapid7
RPD
$876M
| $7.15M | ﹤0.01% |
309,160
+121,374
| +65% | +$2.88M |
|
3480
Ormat Technologies
ORA
$7.06B
| $7.15M | ﹤0.01% |
85,331
+10,366
| +14% | +$775K |
|
3481
CALL
Polaris
PII
$3.95B
| $7.15M | ﹤0.01% |
175,800
+53,900
| +44% | +$2.03M |
|
3482
Healthcare Services Group
HCSG
$1.48B
| $7.14M | ﹤0.01% |
474,810
+56,979
| +14% | +$755K |
|
3483
PUT
American Superconductor
AMSC
$1.55B
| $7.13M | ﹤0.01% |
194,200
-186,700
| -49% | -$4.59M |
|
3484
Albany International
AIN
$1.84B
| $7.12M | ﹤0.01% |
101,597
-17,160
| -14% | -$1.14M |
|
3485
PUT
Coeur Mining
CDE
$19.3B
| $7.11M | ﹤0.01% |
802,620
+154,880
| +24% | +$1.13M |
|
3486
Carter's
CRI
$1.42B
| $7.11M | ﹤0.01% |
235,852
-525,268
| -69% | -$17.8M |
|
3487
Collegium Pharmaceutical
COLL
$875M
| $7.1M | ﹤0.01% |
240,156
-269,999
| -53% | -$7.7M |
|
3488
Pitney Bowes
PBI
$2.25B
| $7.1M | ﹤0.01% |
650,877
-245,850
| -27% | -$2.31M |
|
|
RDAGU
3489
Republic Digital Acquisition Co Unit
RDAGU
| $7.1M | ﹤0.01% |
+671,169
| New | +$7M |
|
3490
CALL
US Foods
USFD
$23.6B
| $7.1M | ﹤0.01% |
92,200
-9,900
| -10% | -$706K |
|
|
PTIR
3491
GraniteShares 2x Long PLTR Daily ETF
PTIR
$419M
| $7.09M | ﹤0.01% |
364,545
+107,460
| +42% | +$1.68M |
|
3492
PUT
RXO
RXO
$3.88B
| $7.09M | ﹤0.01% |
450,900
+297,800
| +195% | +$4.51M |
|
3493
Telus
TU
$15.4B
| $7.09M | ﹤0.01% |
441,306
-58,237
| -12% | -$903K |
|
3494
Carvana
CVNA
$83.1B
| $7.09M | ﹤0.01% |
+105,165
| New | +$5.77M |
|
3495
PUT
Jefferies Financial Group
JEF
$12.7B
| $7.08M | ﹤0.01% |
129,500
-54,200
| -30% | -$2.68M |
|
3496
Iovance Biotherapeutics
IOVA
$3.16B
| $7.08M | ﹤0.01% |
4,113,588
+2,380,785
| +137% | +$5.92M |
|
3497
CALL
Verisk Analytics
VRSK
$23.6B
| $7.07M | ﹤0.01% |
22,700
+12,700
| +127% | +$3.85M |
|
3498
Westamerica Bancorp
WABC
$1.38B
| $7.06M | ﹤0.01% |
145,744
+66,480
| +84% | +$3.19M |
|
3499
PUT
Cincinnati Financial
CINF
$26.6B
| $7.06M | ﹤0.01% |
47,400
-50,000
| -51% | -$7.16M |
|
3500
PUT
SLM Corp
SLM
$5.27B
| $7.05M | ﹤0.01% |
214,900
-350,300
| -62% | -$10.7M |
|
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Ken Griffin's Q2 2025 Portfolio in Review
As of Q2 2025, Ken Griffin held 15,819 positions worth $576B, up 9.2% from $527B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
Ken Griffin withdrew a net $29.1B in Q2 2025, closing 3,524 positions and reducing 5,141 holdings. Its most notable exit was Kroger, an estimated $558M position sold in full.
By sector, the portfolio is most concentrated in Technology at 3.3% of assets, up from 2.9% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Ken Griffin opened a new position in Walmart Inc worth $401M.
- Ken Griffin's largest Q2 2025 buy was Walmart Inc: 4,099,492 shares worth $401M.
- Ken Griffin added most to NVIDIA in Q2 2025, an estimated $820M increase.
- Ken Griffin's biggest Q2 2025 reduction was Charles Schwab, cutting an estimated $1.64B.
- Ken Griffin fully exited Kroger in Q2 2025, selling an estimated $558M.
- Ken Griffin's ten largest holdings make up 27% of its $576B portfolio in Q2 2025.
- Ken Griffin opened 1,459 new positions and closed 3,524 in Q2 2025.
- Ken Griffin's portfolio value rose 9.2% quarter-over-quarter to $576B.
Based on Citadel Advisors's 13F filing for Q2 2025, filed 14 Aug 2025.