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 | |
|---|---|---|---|---|---|---|
3301
Vishay Intertechnology
VSH
$5.38B
| $9.38M | ﹤0.01% |
647,281
+498,198
| +334% | +$7.55M |
|
3302
PUT
Robert Half
RHI
$4.42B
| $9.38M | ﹤0.01% |
345,200
+198,000
| +135% | +$5.65M |
|
3303
Hudbay
HBM
$11.9B
| $9.37M | ﹤0.01% |
472,233
-79,670
| -14% | -$1.35M |
|
3304
Bitwise Bitcoin ETF
BITB
$2.41B
| $9.37M | ﹤0.01% |
197,084
+104,232
| +112% | +$5.67M |
|
3305
American Healthcare REIT
AHR
$10.5B
| $9.37M | ﹤0.01% |
199,169
+182,175
| +1,072% | +$8.45M |
|
3306
CALL
Natera
NTRA
$44.7B
| $9.37M | ﹤0.01% |
40,900
-57,200
| -58% | -$11.9M |
|
3307
First Commonwealth Financial
FCF
$2.18B
| $9.37M | ﹤0.01% |
555,606
+190,561
| +52% | +$3.12M |
|
3308
PUT
iShares MSCI India ETF
INDA
$6.56B
| $9.34M | ﹤0.01% |
172,800
-701,400
| -80% | -$37.8M |
|
3309
Atkore
ATKR
$3.17B
| $9.34M | ﹤0.01% |
147,661
+49,171
| +50% | +$3.21M |
|
3310
Leonardo DRS
DRS
$12.2B
| $9.34M | ﹤0.01% |
273,928
-36,999
| -12% | -$1.37M |
|
3311
CALL
Travere Therapeutics
TVTX
$5.86B
| $9.33M | ﹤0.01% |
244,100
+63,300
| +35% | +$2.06M |
|
3312
CALL
TechnipFMC
FTI
$30.8B
| $9.33M | ﹤0.01% |
209,300
+112,200
| +116% | +$4.74M |
|
3313
CALL
Klaviyo
KVYO
$5.26B
| $9.32M | ﹤0.01% |
287,100
+27,800
| +11% | +$779K |
|
3314
PUT
McEwen Inc
MUX
$1.15B
| $9.32M | ﹤0.01% |
503,600
+93,200
| +23% | +$1.73M |
|
3315
Otter Tail
OTTR
$3.9B
| $9.31M | ﹤0.01% |
115,209
-3,576
| -3% | -$290K |
|
3316
Azenta
AZTA
$1.46B
| $9.31M | ﹤0.01% |
279,885
+119,179
| +74% | +$3.89M |
|
3317
PUT
Nasdaq
NDAQ
$54.2B
| $9.31M | ﹤0.01% |
95,800
-49,100
| -34% | -$4.42M |
|
3318
PUT
FirstEnergy
FE
$27.4B
| $9.3M | ﹤0.01% |
207,800
-34,300
| -14% | -$1.58M |
|
3319
PUT
GeneDx Holdings
WGS
$2.33B
| $9.3M | ﹤0.01% |
71,500
| – | – |
|
3320
PUT
GraniteShares 2x Long COIN Daily ETF
CONL
$402M
| $9.28M | ﹤0.01% |
633,700
+173,400
| +38% | +$4.88M |
|
3321
CALL
Plug Power
PLUG
$3.24B
| $9.28M | ﹤0.01% |
4,711,900
-264,600
| -5% | -$691K |
|
|
3322
iShares MSCI India ETF
INDA
$6.56B
| $9.28M | ﹤0.01% |
171,716
+71,985
| +72% | +$3.88M |
|
3323
PUT
PureCycle Technologies
PCT
$1.4B
| $9.27M | ﹤0.01% |
1,078,900
+312,500
| +41% | +$3.32M |
|
3324
CALL
Warner Music
WMG
$13.4B
| $9.27M | ﹤0.01% |
302,100
-207,100
| -41% | -$6.33M |
|
3325
ProShares Short QQQ
PSQ
$636M
| $9.26M | ﹤0.01% |
+306,489
| New | +$9.34M |
|
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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.