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TSS

Two Sigma Securities Portfolio holdings

AUM $861M
1-Year Est. Return 21.33%
This Fund
S&P 500
This Quarter Est. Return
+2.14%
1 Year Est. Return
+21.33%
3 Year Est. Return
+86.85%
5 Year Est. Return
+97.02%
10 Year Est. Return
+293.06%
AUM
$861M
AUM Growth
+$133M
Cap. Flow
+$160M
Cap. Flow %
18.6%
Top 10 Hldgs %
8.61%
Holding
2,375
New
954
Increased
318
Reduced
326
Closed
776

Top Buys

Rank Stock Value
1
AGG icon
iShares Core US Aggregate Bond ETF
AGG
+$12M
2
SOXL icon
Direxion Daily Semiconductor Bull 3X ETF
SOXL
+$9.78M
3
QQQ icon
Invesco QQQ Trust
QQQ
+$6.29M
4
AMZN icon
Amazon
AMZN
+$6.04M
5
VOO icon
Vanguard S&P 500 ETF
VOO
+$5.96M

Top Sells

Rank Stock Value
1
HYG icon
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
+$14.3M
2
MSFT icon
Microsoft
MSFT
+$12.3M
3
SHY icon
iShares 1-3 Year Treasury Bond ETF
SHY
+$7.97M
4
VCSH icon
Vanguard Short-Term Corporate Bond ETF
VCSH
+$6.29M
5
TLT icon
iShares 20+ Year Treasury Bond ETF
TLT
+$6.07M

Sector Composition

Rank Sector Weight
1 Technology 12.03%
2 Industrials 9.36%
3 Financials 8.51%
4 Consumer Discretionary 7.02%
5 Healthcare 5.03%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AKAM icon
1626
Akamai
AKAM
$17.1B
– –
-10,885
Closed -$950K
ALGN icon
1627
Align Technology
ALGN
$12.4B
– –
-4,852
Closed -$758K
ALLO icon
1628
Allogene Therapeutics
ALLO
$635M
– –
-12,230
Closed -$16.8K
ALT icon
1629
Altimmune
ALT
$583M
– –
-12,274
Closed -$44.3K
ALTO icon
1630
Alto Ingredients
ALTO
$377M
– –
-15,668
Closed -$45.1K
ALUR.WS
1631
DELISTED
Allurion Technologies Warrants
ALUR.WS
– –
-30,139
Closed -$461
AMAT icon
1632
Applied Materials
AMAT
$411B
– –
-779
Closed -$200K
AME icon
1633
Ametek
AME
$55.9B
– –
-4,983
Closed -$1.02M
AMKR icon
1634
Amkor Technology
AMKR
$12.6B
– –
-5,110
Closed -$202K
AMLP icon
1635
Alerian MLP ETF
AMLP
$13B
– –
-11,764
Closed -$553K
AMTD
1636
AMTD IDEA Group
AMTD
$67.4M
– –
-10,864
Closed -$10.7K
APP icon
1637
Applovin
APP
$136B
– –
-519
Closed -$350K
ARCB icon
1638
ArcBest
ARCB
$3.07B
– –
-3,958
Closed -$294K
ARDX icon
1639
Ardelyx
ARDX
$1.23B
– –
-11,001
Closed -$64.1K
AREC icon
1640
American Resources Corp
AREC
$217M
– –
-17,691
Closed -$43.9K
ARKB icon
1641
ARK 21Shares Bitcoin ETF
ARKB
$2.43B
– –
-41,187
Closed -$1.2M
ARKK icon
1642
ARK Innovation ETF
ARKK
$5.84B
– –
-8,145
Closed -$627K
ARM icon
1643
Arm
ARM
$255B
– –
-3,650
Closed -$399K
ARRY icon
1644
Array Technologies
ARRY
$872M
– –
-26,574
Closed -$245K
ARWR icon
1645
Arrowhead Research
ARWR
$12.1B
– –
-5,701
Closed -$378K
ASPI icon
1646
ASP Isotopes
ASPI
$521M
– –
-14,275
Closed -$76.4K
ASPN icon
1647
Aspen Aerogels
ASPN
$392M
– –
-16,005
Closed -$45.3K
ASPS icon
1648
Altisource Portfolio Solutions
ASPS
$63.7M
– –
-12,999
Closed -$90.3K
ATO icon
1649
Atmos Energy
ATO
$28.9B
– –
-1,945
Closed -$326K
ATPC icon
1650
AGAPE ATP
ATPC
$2.32M
– –
-614
Closed -$3.27K
64 65
66
67 68

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OAM
Ophir Asset Management Sydney, Australia $859M AUM 59.08% 1-Year Est. Return
NOCM
Night Owl Capital Management Greenwich, Connecticut $858M AUM 31.41% 1-Year Est. Return
QIM
Quest Investment Management Lake Oswego, Oregon $857M AUM 21.67% 1-Year Est. Return
RB
Rodgers Brothers Harmony, Pennsylvania $866M AUM 30.05% 1-Year Est. Return
OMG
One Madison Group New York $866M AUM 33.81% 1-Year Est. Return
MCM
Makena Capital Management Menlo Park, California $866M AUM 17.79% 1-Year Est. Return
NEPWA
New England Private Wealth Advisors Wellesley, Massachusetts $866M AUM 15.25% 1-Year Est. Return

Two Sigma Securities's Q1 2026 Portfolio in Review

As of Q1 2026, Two Sigma Securities held 2,375 positions worth $861M, up 18% from $728M the previous quarter. Its ten largest holdings account for 8.6% of the portfolio.

Two Sigma Securities deployed $160M of net new capital in Q1 2026, opening 954 new positions and adding to 318 existing holdings. Its largest new stake was Direxion Daily Semiconductor Bull 3X ETF: 168,582 shares worth $8.08M.

By sector, the portfolio is most concentrated in Technology at 12% of assets, down from 14% a quarter earlier, followed by Industrials and Financials.

On the sell side, the largest reduction was iShares iBoxx $ High Yield Corporate Bond ETF, an estimated $14.3M trimmed.

  • Two Sigma Securities's largest Q1 2026 buy was Direxion Daily Semiconductor Bull 3X ETF: 168,582 shares worth $8.08M.
  • Two Sigma Securities added most to iShares Core US Aggregate Bond ETF in Q1 2026, an estimated $12M increase.
  • Two Sigma Securities's biggest Q1 2026 reduction was iShares iBoxx $ High Yield Corporate Bond ETF, cutting an estimated $14.3M.
  • Two Sigma Securities fully exited Microsoft in Q1 2026, selling an estimated $12.3M.
  • Two Sigma Securities's ten largest holdings make up 8.6% of its $861M portfolio in Q1 2026.
  • Two Sigma Securities opened 954 new positions and closed 776 in Q1 2026.
  • Two Sigma Securities's portfolio value rose 18% quarter-over-quarter to $861M.

Based on Two Sigma Securities's 13F filing for Q1 2026, filed 15 May 2026.