Simplex Trading, LLC ETF holdings
Chicago, IL
Reported $904.3M in 695 ETFs in its Form 13F for June 30, 2026.
ETF value
$904.3M
ETFs held
695
Change from prior quarter
+30.6%
With price moves
ETFs as a share of its 13F
23.6%
of $3.8B
Top 10 of 695 ETF holdings
| Ticker | Fund | Value | Shares | Change |
|---|---|---|---|---|
| IWM | iShares Russell 2000 ETF | $161.3M | 536,810 | +520,581 shares |
| TLT | iShares 20+ Year Treasury Bond ETF | $160.8M | 1,860,997 | +1,252,985 shares |
| SOXX | iShares Semiconductor ETF | $103.5M | 161,532 | +45,259 shares |
| USO | United States Oil Fund, LP | $52.2M | 490,737 | +160,949 shares |
| DRAM | Roundhill Memory ETF | $46.2M | 625,556 | New position |
| SPY | State Street SPDR S&P 500 ETF Trust | $39.9M | 53,496 | −149,310 shares |
| SOXL | Direxion Daily Semiconductor Bull 3X Shares | $36.8M | 138,147 | New position |
| GLD | SPDR Gold Shares | $28.2M | 76,477 | −154,135 shares |
| TMF | Direxion Daily 20+ Year Treasury Bull 3X Shares | $13.1M | 369,781 | +196,769 shares |
| URA | Global X Uranium ETF | $12.6M | 287,766 | −182,338 shares |
685 more ETF positions
The full list comes with the Advisors and Institutions package.
Sign up to see them allFrom SEC Form 13F. Change compares June 30, 2026 with March 31, 2026. SEC filer ID (CIK) 0001488542. Filings on SEC EDGAR.
Frequently asked questions
What ETFs does Simplex Trading, LLC own?
Simplex Trading, LLC reported 695 ETF positions worth $904.3M in its Form 13F for June 30, 2026. The largest was IWM, at $161.3M.
Where does this data come from?
From the firm's own quarterly Form 13F filing with the SEC. It shows long positions at quarter end and can include holdings run for clients, so it isn't necessarily the firm's own money.
How current is it?
13F filings are due 45 days after each quarter ends. The next set is due around mid-November.