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Jim Simons

Jim Simons Renaissance Technologies

AUM $72.6B
1-Year Est. Return 54.88%
 

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
+54.88%
3 Year Est. Return
+169.34%
5 Year Est. Return
+186.18%
10 Year Est. Return
+887.93%
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
AIT icon
3426
Applied Industrial Technologies
AIT
$13.2B
– –
-39,850
Closed -$9.54M
ALLY icon
3427
Ally Financial
ALLY
$13.6B
– –
-127,300
Closed -$4.58M
ALV icon
3428
Autoliv
ALV
$8.89B
– –
-139,700
Closed -$13.1M
ALZN icon
3429
Alzamend Neuro
ALZN
$7M
– –
-1,667
Closed -$17.4K
AMCX icon
3430
AMC Global Media
AMCX
$496M
– –
-346,922
Closed -$3.43M
AMPG icon
3431
AmpliTech
AMPG
$152M
– –
-11,600
Closed -$59.6K
AMST icon
3432
Amesite
AMST
$7.01M
– –
-12,200
Closed -$58K
AMT icon
3433
American Tower
AMT
$81.2B
– –
-115,839
Closed -$21.2M
AMTX icon
3434
Aemetis
AMTX
$126M
– –
-75,500
Closed -$203K
AMZU icon
3435
Direxion Daily AMZN Bull 2X ETF
AMZU
$315M
– –
-11,300
Closed -$475K
AOM icon
3436
iShares Core Moderate Allocation ETF
AOM
$1.78B
– –
-8,300
Closed -$361K
AOSL icon
3437
Alpha and Omega Semiconductor
AOSL
$916M
– –
-132,200
Closed -$4.9M
APG icon
3438
APi Group
APG
$18.8B
– –
-852,150
Closed -$20.4M
APLD icon
3439
Applied Digital
APLD
$8.81B
– –
-410,371
Closed -$3.14M
APLS
3440
DELISTED
Apellis Pharmaceuticals
APLS
– –
-271,913
Closed -$8.68M
AQST icon
3441
Aquestive Therapeutics
AQST
$533M
– –
-95,400
Closed -$340K
ARBB icon
3442
ARB IOT Group
ARBB
$7.63M
– –
-3,793
Closed -$28K
ARKB icon
3443
ARK 21Shares Bitcoin ETF
ARKB
$2.41B
– –
-46,500
Closed -$1.45M
ARKO icon
3444
ARKO Corp
ARKO
$505M
– –
-10,200
Closed -$67.2K
ASH icon
3445
Ashland
ASH
$3.36B
– –
-91,775
Closed -$6.56M
ASHR icon
3446
Xtrackers Harvest CSI 300 China A-Shares ETF
ASHR
$1.58B
– –
-240,800
Closed -$6.37M
ASTI icon
3447
Ascent Solar Technologies
ASTI
$32.7M
– –
-15,500
Closed -$50.7K
ATER icon
3448
Aterian
ATER
$5.26M
– –
-45,493
Closed -$109K
ATHM icon
3449
Autohome
ATHM
$2.6B
– –
-9,300
Closed -$241K
AUR icon
3450
Aurora
AUR
$13.4B
– –
-1,409,477
Closed -$8.88M
136 137
138
139 140

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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.