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 | |
|---|---|---|---|---|---|---|
5201
Replimune Group
REPL
$1.34B
| $2.58M | ﹤0.01% |
277,474
+254,719
| +1,119% | +$2.22M |
|
5202
CALL
Neurocrine Biosciences
NBIX
$15.6B
| $2.58M | ﹤0.01% |
20,500
+1,000
| +5% | +$115K |
|
5203
Winmark
WINA
$1.24B
| $2.58M | ﹤0.01% |
6,821
-1,908
| -22% | -$738K |
|
5204
Tootsie Roll Industries
TR
$3.05B
| $2.58M | ﹤0.01% |
79,308
+77,043
| +3,401% | +$2.47M |
|
5205
CALL
NEOS Nasdaq 100 High Income ETF
QQQI
$14.2B
| $2.57M | ﹤0.01% |
49,500
+33,400
| +207% | +$1.64M |
|
5206
Smith & Wesson
SWBI
$643M
| $2.57M | ﹤0.01% |
296,503
-70,566
| -19% | -$669K |
|
5207
CALL
NovoCure
NVCR
$1.98B
| $2.57M | ﹤0.01% |
144,400
+54,400
| +60% | +$948K |
|
5208
Star Bulk Carriers
SBLK
$3.32B
| $2.57M | ﹤0.01% |
+148,939
| New | +$2.32M |
|
5209
CALL
Caleres
CAL
$443M
| $2.57M | ﹤0.01% |
210,100
-47,700
| -19% | -$715K |
|
|
MAG
5210
PUT
DELISTED
MAG Silver
MAG
| $2.57M | ﹤0.01% |
121,500
-52,600
| -30% | -$935K |
|
5211
PUT
Aaon
AAON
$7.1B
| $2.57M | ﹤0.01% |
34,800
+11,700
| +51% | +$1.03M |
|
5212
Cabaletta Bio
CABA
$466M
| $2.57M | ﹤0.01% |
1,687,980
+1,687,630
| +482,180% | +$2.63M |
|
5213
Illumina
ILMN
$29.1B
| $2.57M | ﹤0.01% |
26,889
-279,665
| -91% | -$22.7M |
|
5214
CALL
FormFactor
FORM
$10.7B
| $2.56M | ﹤0.01% |
74,500
-8,900
| -11% | -$270K |
|
|
BBUC
5215
Brookfield Business Corp Class A Subordinate Voting Shares
BBUC
$6.05B
| $2.56M | ﹤0.01% |
81,938
-20,948
| -20% | -$572K |
|
5216
Trip.com Group
TCOM
$28.4B
| $2.56M | ﹤0.01% |
43,584
-155,511
| -78% | -$9.35M |
|
5217
Q2 Holdings
QTWO
$3.99B
| $2.56M | ﹤0.01% |
27,301
-69,939
| -72% | -$5.9M |
|
5218
PUT
Green Brick Partners
GRBK
$3.02B
| $2.55M | ﹤0.01% |
40,600
+24,600
| +154% | +$1.46M |
|
5219
JPMorgan Ultra-Short Municipal Income ETF
JMST
$7.17B
| $2.55M | ﹤0.01% |
50,094
+25,440
| +103% | +$1.29M |
|
5220
CALL
PennyMac Financial
PFSI
$3.97B
| $2.55M | ﹤0.01% |
25,600
+5,300
| +26% | +$514K |
|
5221
CALL
A.O. Smith
AOS
$8.34B
| $2.55M | ﹤0.01% |
38,900
+16,800
| +76% | +$1.1M |
|
5222
PUT
ProShares Ultra Bloomberg Crude Oil
UCO
$416M
| $2.55M | ﹤0.01% |
113,800
-22,800
| -17% | -$501K |
|
|
PKST
5223
DELISTED
Peakstone Realty Trust
PKST
| $2.55M | ﹤0.01% |
192,707
-6,355
| -3% | -$78.1K |
|
5224
PUT
Xerox
XRX
$389M
| $2.54M | ﹤0.01% |
482,600
+159,900
| +50% | +$780K |
|
5225
PUT
Krystal Biotech
KRYS
$9.83B
| $2.54M | ﹤0.01% |
18,500
+15,600
| +538% | +$2.29M |
|
Similar funds
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.