CSS LLC

SEC CIK: 0001103646
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

MDY holding history

SPDR S&P Midcap 400 ETF Trust in every 13F filed by CSS LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MDY overview All 13F holders of MDY Full Q2 2026 holdings

Shares (Q2 2026): 2,810
Value: $1.98M
% of portfolio: 0.1%
Quarters held: 4; Since Q3 2025

Holdings of MDY by CSS LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	2,810	$1.98M	0.1%	00.0%	Unchanged	Holders
Q1 2026	2,810	$1.73M	0.1%	+230+8.9%	Added	Holders
Q4 2025	2,580	$1.56M	0.1%	+1,220+89.7%	Added	Holders
Q3 2025	1,360	$810.6K	<0.1%	+1,360	New	Holders