Castleark Management LLC ETF holdings
Chicago, IL
Reported $438.6M in 32 ETFs in its Form 13F for June 30, 2026.
ETF value
$438.6M
ETFs held
32
Change from prior quarter
+0.6%
With price moves
ETFs as a share of its 13F
11.8%
of $3.7B
Top 10 of 32 ETF holdings
| Ticker | Fund | Value | Shares | Change |
|---|---|---|---|---|
| SPIB | State Street SPDR Portfolio Intermediate Term Corporate Bond Index ETF | $90.0M | 2,688,380 | No change |
| GOVT | iShares U.S. Treasury Bond ETF | $75.8M | 3,329,569 | No change |
| VMBS | Vanguard Mortgage-Backed Securities ETF | $69.6M | 1,487,800 | No change |
| SPTS | State Street SPDR Portfolio Short Term Treasury Index ETF | $38.7M | 1,334,080 | No change |
| VCLT | Vanguard Long-Term Corporate Bond ETF | $33.7M | 448,330 | No change |
| TLH | iShares 10-20 Year Treasury Bond ETF | $25.9M | 258,432 | No change |
| MBB | iShares MBS ETF | $19.3M | 204,235 | No change |
| IGIB | iShares 5-10 Year Investment Grade Corporate Bond ETF | $13.8M | 259,994 | No change |
| XBI | State Street SPDR S&P Biotech ETF | $12.8M | 80,890 | No change |
| TLT | iShares 20+ Year Treasury Bond ETF | $11.9M | 137,270 | No change |
22 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) 0001106832. Filings on SEC EDGAR.
Frequently asked questions
What ETFs does Castleark Management LLC own?
Castleark Management LLC reported 32 ETF positions worth $438.6M in its Form 13F for June 30, 2026. The largest was SPIB, at $90.0M.
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.