Skip to main content
KOMP logo

KOMP · State Street SPDR Bloomberg 1-3 Month T-Bill ETF

Track KOMP — free
$68.72 -0.46 (-0.66%)

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 665
Total Value: $19,060,765,998
Total Shares: 208,003,434
Showing 1–100 of 670 holdings by value · page 1 of 7

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 665 13F filers · Δ vs Mar 31, 2026
Top Holder
14.0%
Sep 2023 → Jun 2026 · range 7.7% – 14.0%
+4.5 pts
Top 5
37.8%
Sep 2023 → Jun 2026 · range 26.5% – 37.8%
+10.5 pts
Top 10
51.5%
Sep 2023 → Jun 2026 · range 39.0% – 51.5%
+12.5 pts
HHI
424
Sep 2023 → Jun 2026 · range 225 – 424
Broadly held+189

Quarterly Activity

vs Mar 31, 2026
New
60
Increased
242
Decreased
318
Sold Out
703
Unchanged
45
Holder count: -643
Institutional value: -34.7%
Shares held: -34.8%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 670
Export CSV
Holder Value (USD) % of 13F Shares Open
Key facts CIK 1081019 CUSIP 78468R663 13F (30d) 692 filings 671 filers Visit website