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 |
Amazon
AMZN
|
+$2.49B |
| 2 |
NVIDIA
NVDA
|
+$2.19B |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$1.94B |
| 4 |
TSMC
TSM
|
+$728M |
| 5 |
UnitedHealth
UNH
|
+$705M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$775M |
| 2 |
AbbVie
ABBV
|
+$540M |
| 3 |
Delta Air Lines
DAL
|
+$434M |
| 4 |
Eli Lilly
LLY
|
+$433M |
| 5 |
DexCom
DXCM
|
+$433M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 4.89% |
| 2 | Healthcare | 2.92% |
| 3 | Financials | 2.71% |
| 4 | Consumer Discretionary | 2.52% |
| 5 | Industrials | 2.2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2651
Harrow
HROW
$1.5B
| $15.3M | ﹤0.01% |
312,071
+35,515
| +13% | +$1.49M |
|
2652
PUT
International Flavors & Fragrances
IFF
$21.5B
| $15.3M | ﹤0.01% |
226,800
+75,800
| +50% | +$4.91M |
|
2653
Invesco National AMT-Free Municipal Bond ETF
PZA
$4.26B
| $15.3M | ﹤0.01% |
+658,401
| New | +$15.3M |
|
2654
CALL
Paycom
PAYC
$9.83B
| $15.3M | ﹤0.01% |
95,800
-6,900
| -7% | -$1.22M |
|
2655
CALL
YPF Sociedad Anonima ADS
YPF
$19.6B
| $15.2M | ﹤0.01% |
421,700
-351,800
| -45% | -$11.7M |
|
2656
PUT
Gold Fields
GFI
$36B
| $15.2M | ﹤0.01% |
349,000
-142,200
| -29% | -$5.94M |
|
2657
Janux Therapeutics
JANX
$986M
| $15.2M | ﹤0.01% |
1,104,144
+301,360
| +38% | +$7.09M |
|
2658
PUT
LPL Financial
LPLA
$29.2B
| $15.2M | ﹤0.01% |
42,600
+11,200
| +36% | +$3.96M |
|
2659
CALL
ATI
ATI
$31.1B
| $15.2M | ﹤0.01% |
132,500
-34,800
| -21% | -$3.39M |
|
|
QXO
2660
PUT
QXO Inc
QXO
$15.7B
| $15.1M | ﹤0.01% |
784,000
-276,800
| -26% | -$5.3M |
|
2661
CALL
FMC
FMC
$1.27B
| $15.1M | ﹤0.01% |
1,089,900
+667,200
| +158% | +$12.7M |
|
2662
Park Hotels & Resorts
PK
$3.05B
| $15.1M | ﹤0.01% |
1,445,002
+824,815
| +133% | +$8.83M |
|
|
BRSL
2663
Brightstar Lottery PLC
BRSL
$2.15B
| $15.1M | ﹤0.01% |
975,992
-859,845
| -47% | -$14M |
|
2664
PUT
Booz Allen Hamilton
BAH
$9.32B
| $15.1M | ﹤0.01% |
178,900
-8,500
| -5% | -$761K |
|
2665
CALL
L3Harris
LHX
$54.3B
| $15.1M | ﹤0.01% |
51,400
-94,100
| -65% | -$27.2M |
|
2666
Vaxcyte
PCVX
$8.64B
| $15.1M | ﹤0.01% |
326,574
+120,775
| +59% | +$5.4M |
|
2667
Xtrackers Harvest CSI 300 China A-Shares ETF
ASHR
$1.58B
| $15.1M | ﹤0.01% |
458,153
-4,166,330
| -90% | -$137M |
|
2668
PUT
MPLX
MPLX
$60.3B
| $15M | ﹤0.01% |
281,900
+33,100
| +13% | +$1.73M |
|
2669
PUT
AGNC Investment
AGNC
$13B
| $15M | ﹤0.01% |
1,402,900
-153,800
| -10% | -$1.58M |
|
2670
Westlake Corp
WLK
$10.2B
| $15M | ﹤0.01% |
203,303
-997,548
| -83% | -$71M |
|
|
CYBR
2671
CALL
DELISTED
CyberArk
CYBR
| $15M | ﹤0.01% |
33,700
-9,800
| -23% | -$4.72M |
|
2672
Prestige Consumer Healthcare
PBH
$2.43B
| $15M | ﹤0.01% |
243,661
+197,156
| +424% | +$12.1M |
|
2673
Solid Biosciences
SLDB
$986M
| $15M | ﹤0.01% |
2,663,863
+71,166
| +3% | +$386K |
|
2674
PUT
CleanSpark
CLSK
$3.1B
| $15M | ﹤0.01% |
1,481,100
-2,372,500
| -62% | -$35.6M |
|
2675
CALL
Semtech
SMTC
$13.1B
| $15M | ﹤0.01% |
203,400
+49,600
| +32% | +$3.52M |
|
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Ken Griffin's Q4 2025 Portfolio in Review
As of Q4 2025, Ken Griffin held 14,701 positions worth $666B, up 1.3% from $657B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
Ken Griffin's Q4 2025 filing shows 2,078 new, 5,000 increased, 5,362 reduced and 2,191 closed positions. Its largest new stake was Medline Inc: 6,006,339 shares worth $252M. The largest sale was Meta Platforms (Facebook), an estimated $775M.
By sector, the portfolio is most concentrated in Technology at 4.9% of assets, up from 3.8% a quarter earlier, followed by Healthcare and Financials.
- Ken Griffin's largest Q4 2025 buy was Medline Inc: 6,006,339 shares worth $252M.
- Ken Griffin added most to Amazon in Q4 2025, an estimated $2.49B increase.
- Ken Griffin's biggest Q4 2025 reduction was Meta Platforms (Facebook), cutting an estimated $775M.
- Ken Griffin fully exited WEX in Q4 2025, selling an estimated $131M.
- Ken Griffin's ten largest holdings make up 23% of its $666B portfolio in Q4 2025.
- Ken Griffin opened 2,078 new positions and closed 2,191 in Q4 2025.
- Ken Griffin's portfolio value rose 1.3% quarter-over-quarter to $666B.
Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.