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Ken Griffin

Ken Griffin Citadel Advisors

AUM $618B
1-Year Est. Return 30.34%
 

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.

This Fund
S&P 500
This Quarter Est. Return
+5.22%
1 Year Est. Return
+30.34%
3 Year Est. Return
+94.87%
5 Year Est. Return
+105.94%
10 Year Est. Return
+434.06%
AUM
$666B
AUM Growth
+$8.72B
Cap. Flow
+$1.57B
Cap. Flow %
0.24%
Top 10 Hldgs %
22.76%
Holding
14,701
New
2,078
Increased
5,000
Reduced
5,362
Closed
2,191

Top Sells

Rank Stock Value
1
META icon
Meta Platforms (Facebook)
META
+$775M
2
ABBV icon
AbbVie
ABBV
+$540M
3
DAL icon
Delta Air Lines
DAL
+$434M
4
LLY icon
Eli Lilly
LLY
+$433M
5
DXCM icon
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
SILC icon
13901
Silicom
SILC
$258M
-16,492
Closed -$292K
SILJ icon
13902
Amplify Junior Silver Miners ETF
SILJ
$3.89B
-62,056
Closed -$1.53M
SINT icon
13903
SiNtx Technologies
SINT
$10.9M
-13,493
Closed -$55.2K
SITM icon
13904
SiTime
SITM
$20.7B
-132,362
Closed -$41.4M
SIXJ icon
13905
AllianzIM U.S. Equity 6 Month Buffer10 Jan/Jul ETF
SIXJ
$149M
-20,263
Closed -$676K
SIXO icon
13906
AllianzIM U.S. Equity 6 Month Buffer10 Apr/Oct ETF
SIXO
$120M
-6,875
Closed -$233K
SJB icon
13907
CALL
ProShares Short High Yield
SJB
$47.6M
-11,800
Closed -$181K
SJNK icon
13908
State Street SPDR Bloomberg Short Term High Yield Bond ETF
SJNK
$4.81B
-147,677
Closed -$3.74M
SKWD icon
13909
CALL
Skyward Specialty Insurance
SKWD
$2.39B
-7,100
Closed -$338K
SLDB icon
13910
PUT
Solid Biosciences
SLDB
$974M
-23,300
Closed -$144K
SLF icon
13911
PUT
Sun Life Financial
SLF
$44.8B
-3,400
Closed -$204K
SLQD icon
13912
iShares 0-5 Year Investment Grade Corporate Bond ETF
SLQD
$2.38B
-81,379
Closed -$4.14M
SLP icon
13913
PUT
Simulations Plus
SLP
$370M
-15,100
Closed -$228K
SLS icon
13914
SELLAS Life Sciences
SLS
$2.5B
-194,357
Closed -$378K
SLV icon
13915
iShares Silver Trust
SLV
$31.3B
-327,822
Closed -$16.4M
SLVP icon
13916
iShares MSCI Global Silver and Metals Miners ETF
SLVP
$952M
-57,365
Closed -$1.69M
SLYG icon
13917
CALL
State Street SPDR S&P 600 Small Cap Growth ETF
SLYG
$5.23B
-12,900
Closed -$1.22M
SMIN icon
13918
CALL
iShares MSCI India Small-Cap ETF
SMIN
$773M
-5,300
Closed -$380K
SMOG icon
13919
VanEck Low Carbon Energy ETF
SMOG
$135M
-1,745
Closed -$222K
SMSI icon
13920
CALL
Smith Micro Software
SMSI
$16.2M
-2,760
Closed -$9.98K
SMWB icon
13921
CALL
Similarweb
SMWB
$789M
-41,000
Closed -$381K
SNOV icon
13922
FT Vest US Small Cap Moderate Buffer ETF November
SNOV
$118M
-15,909
Closed -$393K
SNSR icon
13923
Global X Internet of Things ETF
SNSR
$224M
-7,556
Closed -$295K
SNTI icon
13924
Senti Biosciences Holdings
SNTI
$12M
-82,753
Closed -$117K
SOBR icon
13925
SOBR Safe
SOBR
$1.67M
-19,272
Closed -$67.3K

Similar funds

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.