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Jim Simons

Jim Simons Renaissance Technologies

AUM $63.9B
1-Year Est. Return 45.56%
 

Jim Simons is the founder of Renaissance Technologies, one of the most successful quantitative hedge funds in the world. Before his career in finance, he served as a mathematics professor and made significant contributions to differential geometry. Simons applied his analytical expertise to develop sophisticated, algorithm-driven trading strategies, earning consistently high returns for investors.

This Fund
S&P 500
This Quarter Est. Return
+1.01%
1 Year Est. Return
+45.56%
3 Year Est. Return
+129.95%
5 Year Est. Return
+153.6%
10 Year Est. Return
+738.31%
AUM
$66.1B
AUM Growth
-$1.48B
Cap. Flow
+$425M
Cap. Flow %
0.64%
Top 10 Hldgs %
10.65%
Holding
3,989
New
456
Increased
1,472
Reduced
1,441
Closed
583

Top Buys

Rank Stock Value
1
AVGO icon
Broadcom
AVGO
+$513M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$412M
3
META icon
Meta Platforms (Facebook)
META
+$354M
4
NOW icon
ServiceNow
NOW
+$262M
5
AAL icon
American Airlines Group
AAL
+$259M

Top Sells

Rank Stock Value
1
PLTR icon
Palantir
PLTR
+$571M
2
AAPL icon
Apple
AAPL
+$571M
3
NFLX icon
Netflix
NFLX
+$388M
4
NVDA icon
NVIDIA
NVDA
+$313M
5
TSM icon
TSMC
TSM
+$211M

Sector Composition

Rank Sector Weight
1 Technology 17.32%
2 Healthcare 15.28%
3 Consumer Discretionary 11.85%
4 Financials 11.11%
5 Industrials 8.48%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
XSOE icon
3901
WisdomTree Emerging Markets ex-State-Owned Enterprises Fund
XSOE
$2.09B
– –
-6,700
Closed -$204K
YMAX icon
3902
YieldMax Universe Fund of Option Income ETFs
YMAX
$396M
– –
-255,309
Closed -$4.33M
ZAPP
3903
DELISTED
Zapp Electric Vehicles
ZAPP
– –
-40,556
Closed -$51.5K
GTM
3904
ZoomInfo Technologies
GTM
$1.19B
– –
-283,485
Closed -$2.98M
ZKIN icon
3905
ZK International Group
ZKIN
$61.3M
– –
-1,971
Closed -$8.28K
ZVSA
3906
DELISTED
ZyVersa Therapeutics
ZVSA
– –
-12,961
Closed -$13.7K
FLUT icon
3907
Flutter Entertainment
FLUT
$17.2B
– –
-163,750
Closed -$42.3M
TRUG icon
3908
TruGolf
TRUG
$984K
– –
-35
Closed -$11.9K
TBRG
3909
DELISTED
TruBridge
TBRG
– –
-16,976
Closed -$335K
LGCL icon
3910
Lucas GC Ltd
LGCL
$59.5M
– –
-560
Closed -$13.5K
QDTE icon
3911
Roundhill N-100 0DTE Covered Call Strategy ETF
QDTE
$954M
– –
-86,200
Closed -$3.45M
LENZ
3912
LENZ Therapeutics
LENZ
$163M
– –
-25,366
Closed -$732K
GCTS
3913
GCT Semiconductor Holding
GCTS
$188M
– –
-25,000
Closed -$58.3K
TRAW icon
3914
Traws Pharma
TRAW
$8.24M
– –
-10,052
Closed -$89.3K
CDTG
3915
CDT Environmental Technology Investment Holdings
CDTG
$3.84M
– –
-2,392
Closed -$266K
MNDR
3916
Mobile-health Network Solutions
MNDR
$2.17M
– –
-300
Closed -$23.1K
CTRI icon
3917
Centuri Holdings
CTRI
$2.46B
– –
-19,200
Closed -$371K
SUPX
3918
SuperX AI Technology Ltd
SUPX
$298M
– –
-25,589
Closed -$96K
MTEN
3919
Mingteng International Corp
MTEN
$9.44M
– –
-111
Closed -$138K
AMBR
3920
Amber International Holding Ltd
AMBR
$123M
– –
-22,500
Closed -$211K
BWIN
3921
Baldwin Insurance Group
BWIN
$2.88B
– –
-46,600
Closed -$1.81M
SPYU
3922
MAX S&P 500 4x Leveraged ETN
SPYU
$290M
– –
-13,600
Closed -$318K
XHG
3923
XChange TEC
XHG
$47.4M
– –
-1,020
Closed -$17.6K
BVC
3924
BitVentures Limited Ordinary Shares
BVC
$2.37B
– –
-13,100
Closed -$16.1K
OS
3925
DELISTED
OneStream Inc
OS
– –
-408,200
Closed -$11.6M
155 156
157
158 159

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Jim Simons's Q1 2025 Portfolio in Review

As of Q1 2025, Jim Simons held 3,989 positions worth $66.1B, down 2.2% from $67.6B the previous quarter. Its ten largest holdings account for 11% of the portfolio.

Jim Simons's Q1 2025 filing shows 456 new, 1,472 increased, 1,441 reduced and 583 closed positions. Its largest new stake was ServiceNow: 1,361,505 shares worth $217M. The largest sale was Palantir, an estimated $571M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, down from 21% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • Jim Simons's largest Q1 2025 buy was ServiceNow: 1,361,505 shares worth $217M.
  • Jim Simons added most to Broadcom in Q1 2025, an estimated $513M increase.
  • Jim Simons's biggest Q1 2025 reduction was Palantir, cutting an estimated $571M.
  • Jim Simons fully exited Nike in Q1 2025, selling an estimated $197M.
  • Jim Simons's ten largest holdings make up 11% of its $66.1B portfolio in Q1 2025.
  • Jim Simons opened 456 new positions and closed 583 in Q1 2025.
  • Jim Simons's portfolio value fell 2.2% quarter-over-quarter to $66.1B.

Based on Renaissance Technologies's 13F filing for Q1 2025, filed 14 May 2025.