Arkolith/Funds/Equitec Proprietary Markets, LLC

Equitec Proprietary Markets, LLC

CIK 1143261
Holdings as of Jun 30, 2026·disclosed Jul 20, 2026·~20-day 13F lag·13F-HR
Active Filer

Equitec Proprietary Markets, LLC holds a concentrated book of 53 stocks worth $404.5M as of Q2 2026 (disclosed Jul 20, 2026, a ~45-day 13F lag). This quarter they opened Applied Digital Corp and trimmed Yext Inc. Their largest long position is Applied Digital Corp at 77% of the equity book. They also disclosed $80.1M in put options (a bearish bet) and $74.8M in call options (bullish), shown separately below and excluded from the equity book. Cloning the disclosed picks since 2024 would be +26% (+13.9%/yr). That is a simulation of the disclosed long book, not audited returns.

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Use Arkolith to show EQUITEC PROPRIETARY MARKETS, LLC's latest
holdings, largest changes, and filing provenance.
Opened
78
new positions
Added to
7
existing
Trimmed
6
reduced
Sold out
10
exited

Growth of $10,000: cloning the disclosed book

If you'd copied them
+25.6%
+13.9%/yr · since Oct '24
Their reported book
+10.4%
held from quarter-end
S&P 500
+29.4%
same window
$8K$9K$11K$13K$15KOct '24Feb '25Jul '25Nov '25Mar '26Jul '26
Equitec Proprietary Markets, LLC (copied at disclosure) S&P 500

Following at the filing date actually beat the quarter-end book by 15.1 points over this window.

Growth of $10,000 cloning Equitec Proprietary Markets, LLC's disclosed long 13F book, rebalanced on each filing date (so it reflects the ~45-day reporting lag, no look-ahead), total-return basis (dividends reinvested), derived from end-of-day prices. “Their reported book” values the same picks from quarter-end, before they were public. S&P 500 is SPY total return over the same window. Excludes shorts, cash, options and non-13F holdings. Not investment advice.

Concentration

Top-heavy: concentrated book

Top 5 holdings
94%
Top 10 holdings
99%
Top 20 holdings
100%

Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.

Direct sector allocation

98% mapped to company sectors

Information Technology
80%
Financials
10%
Industrials
7%
ETF / fund or unclassified
2%
Health Care
1%
Communication Services
0%
Utilities
0%
Real Estate
0%

Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.

Biggest moves: latest quarter

Estimated $ traded · quarter-end prices, no cost basis

Bought
Trimmed / exited

Holdings: largest first

Bars show each stock's share of the portfolio. Click a row for its position history.

53 positions
#SecurityValueShares% PortLast moveHistory
1Applied Digital Corp
COM NEW
$312.3M8.37M
77.2%
New
New position
2BRC Group Holdings Inc
COM
$27.3M3.40M
6.8%
New
New position
3Zim Integrated Shipping Serv
SHS
$18.8M724.5K
4.7%
+99%
Added · +360K sh
4Electronic Arts Inc
COM
$10.8M52.9K
2.7%
New
New position
5Babcock & Wilcox Enterprises
COM
$9.8M697.2K
2.4%
New
New position
6Janus Henderson Group PLC
ORD SHS
$9.0M172.8K
2.2%
24×
Added · +165K sh
7Pershing Square Inc
COMMON STOCK
$3.8M116.5K
0.9%
New
New position
8Pershing Square USA Ltd
COM SHS
$3.7M98.5K
0.9%
New
New position
9Brighthouse Finl Inc
COM
$2.2M34.0K
0.5%
+143%
Added · +20K sh
10Esperion Therapeutics Inc Ne
COM
$1.1M345.8K
0.3%
New
New position
11Aes Corp
COM
$894K61.0K
0.2%
Held
12Boston Scientific Corp
COM
$889K20.8K
0.2%
+88%
Added · +10K sh
13Warner Bros Discovery Inc
COM SER A
$794K29.8K
0.2%
+89%
Added · +14K sh
14Amplitech Group Inc
RIGHT 11/20/2026
$485K334.8K
0.1%
+620%
Added · +288K sh
15Nuvalent Inc
COM
$432K3.5K
0.1%
New
New position
16Paramount Skydance Corp
COM CL B
$353K35.8K
0.1%
Held
17Optimum Communications Inc
CL A
$310K213.8K
0.1%
New
New position
18Topbuild Cor
COM
$290K819
0.1%
New
New position
19Two Harbors Inventment Corpo
COM
$268K21.6K
0.1%
New
New position
20Shutterstock Inc
COM
$188K13.5K
0.0%
+322%
Added · +10K sh
21Axcelis Technologies Inc
COM NEW
$133K700
0.0%
New
New position
22Yext Inc
COM
$131K28.1K
0.0%
−88%
Reduced · −201K sh
23Organon & Co
COMMON STOCK
$99K7.3K
0.0%
New
New position
24Theravance Biopharma Inc
COM
$85K5.0K
0.0%
New
New position
25Ishares TR
20 YR TR BD ETF
$69K800
0.0%
Held
26Bio-Techne Corp
COM
$32K450
0.0%
New
New position
27Amplitech Group Inc
COM NEW
$19K2.7K
0.0%
New
New position
28Alphabet Inc
CAP STK CL C
$18K50
0.0%
−50%
Reduced · −50 sh
29Pharmacyte Biotech Inc
COM NEW
$17K22.2K
0.0%
Held
30Bigbear AI Hldgs Inc
*W EXP 12/08/202
$11K30.0K
0.0%
−48%
Reduced · −28K sh
31Aware Inc Mass
COM
$9K7.0K
0.0%
Held
32TMC The Metals Company Inc
COM
$9K2.0K
0.0%
Held
33Livewire Group Inc
*W EXP 09/26/202
$7K334.7K
0.0%
−16%
Reduced · −63K sh
34Alpha Tau Medical Ltd
*W EXP 99/99/999
$6K1.9K
0.0%
Held
35Niocorp Devs Ltd
*W EXP 03/17/202
$6K4.0K
0.0%
Held
36Jd.com Inc
SPON ADS CL A
$3K125
0.0%
Held
37Amplitech Group Inc
RIGHT 07/18/2026
$3K1.5K
0.0%
−97%
Reduced · −52K sh
38Gamestop Corp
CL A
$3K125
0.0%
Held
39Teucrium Commodity TR
WHEAT FD
$2K100
0.0%
−50%
Reduced · −100 sh
40Amplify ETF TR
ALTRNTV HARV ETF
$2K83
0.0%
Held
41Sabre Corp
COM
$2K1.0K
0.0%
Held
42The Real Brokerage Inc
COM NEW
$2K1.0K
0.0%
New
New position
43State STR SPDR S&P 500 ETF T
TR UNIT
$1K2
0.0%
Held
44Hawaiian Elec Inds Inc MTN B
COM
$1K75
0.0%
Held
45Seastar Medical Holding Corp
*W EXP 10/28/202
$61835.7K
0.0%
Held
46Cleanspark Inc
*W EXP 12/29/202
$6142.0K
0.0%
Held
47Proshares TR II
ULTRA VIX SHORT
$49820
0.0%
Held
48Amc Entmt Hldgs Inc
CL A NEW
$285150
0.0%
Held
49Bank Of Amer Corp
COM
$1142
0.0%
New
New position
50Strive Inc
CL A COM
$878
0.0%
Held
Showing 50 of 53 positions

Largest options & derivatives disclosed

Put / call positions from the 13F — totals include every disclosed option leg

Put notional (bearish)$80.1M
Call notional (bullish)$74.8M
TypeUnderlyingNotional valueUnderlying shares
CALL · bullishGLOBALSTAR INCGSAT$34.2M421K
PUT · bearishZIM INTEGRATED SHIPPING SERVZIM$21.8M839K
PUT · bearishELECTRONIC ARTS INCEA$17.0M83K
PUT · bearishJANUS HENDERSON GROUP PLCJHG$10.0M192K
CALL · bullishWARNER BROS DISCOVERY INCWBD$9.6M362K
CALL · bullishPENUMBRA INCPEN$8.8M28K
CALL · bullishAMAZON.COM INCAMZN$8.0M34K
PUT · bearishGLOBALSTAR INCGSAT$7.1M87K
PUT · bearishPENUMBRA INCPEN$5.8M19K
PUT · bearishBRIGHTHOUSE FINANCIAL INCBHF$4.2M66K
PUT · bearishWOLFSPEED INCWOLF$3.8M78K
CALL · bullishELECTRONIC ARTS INCEA$3.2M15K
CALL · bullishBOSTON SCIENTIFIC CORPBSX$2.2M51K
CALL · bullishWOLFSPEED INCWOLF$2.0M41K
CALL · bullishTOPBUILD CORPBLD$1.8M5K
PUT · bearishTWO HARBORS INVESTMENT CORPTWO$1.7M140K
CALL · bullishAMPLITECH GROUP INCAMPG$1.7M247K
PUT · bearishWARNER BROS DISCOVERY INCWBD$1.5M56K
PUT · bearishXOMA ROYALTY CORPORATIONXOMA$1.2M28K
PUT · bearishESPERION THERAPEUTICS INCESPR$1.1M336K
PUT · bearishTOPBUILD CORPBLD$1.0M3K
CALL · bullishMICRON TECHNOLOGY INCMU$923K800
PUT · bearishMICRON TECHNOLOGY INCMU$923K800
PUT · bearishAES CORPAES$894K61K
CALL · bullishBRIGHTHOUSE FINANCIAL INCBHF$633K10K

13F filers disclose option positions at the market value of the underlying the contracts reference, not the premium paid. A put is a bearish bet (it gains if the stock falls); a call is bullish. “Underlying shares” is the share count the contracts control, not a share holding. These legs are excluded from the equity book, weighting, concentration and sector figures above. Showing the largest 25 of 45 option legs.

Filing history

As-of date vs the date the SEC received each filing

QuarterAs ofFiledPositionsValueForm
Q2 2026Jun 30, 2026Jul 20, 202698$559.3M13F-HR
Q1 2026Mar 31, 2026May 11, 202681$187.1M13F-HR
Q4 2025Dec 31, 2025Feb 17, 202684$174.2M13F-HR
Q3 2025Sep 30, 2025Nov 26, 202577$440.1M13F-HR
Q2 2025Jun 30, 2025Aug 6, 202565$105.9M13F-HR
Q1 2025Mar 31, 2025May 14, 202566$140.6M13F-HR
Q4 2024Dec 31, 2024Jan 29, 202572$102.3M13F-HR
Q3 2024Sep 30, 2024Oct 18, 202473$117.5M13F-HR

Data source

Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.