Harbour Investments’s ProShares Big Data Refiners ETF DAT Stock Holding History

Harbour Investments’s Portfolio DAT Stock Details DAT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$4.3K	Hold	102	–	–	﹤0.01%	3747
2026 Q1	$3.48K	Hold	102	–	–	﹤0.01%	3725
2025 Q4	$4.67K	Hold	102	–	–	﹤0.01%	3035
2025 Q3	$4.89K	Hold	102	–	–	﹤0.01%	3000
2025 Q2	$4.74K	Hold	102	–	–	﹤0.01%	2898
2025 Q1	$4.02K	Hold	102	–	–	﹤0.01%	2895
2024 Q4	$4.47K	Hold	102	–	–	﹤0.01%	2769
2024 Q3	$3.62K	Hold	102	–	–	﹤0.01%	2733
2024 Q2	$3.57K	Buy	+102	New	+$3.57K	﹤0.01%	2632

Other funds holding DAT

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

FTUS

Flow Traders U.S. New York $2.43B AUM 44.44% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return

FFA

Farther Finance Advisors San Francisco, California $12.8B AUM 26.53% 1-Year Est. Return

Osaic Holdings Scottsdale, Arizona $85.1B AUM 27.35% 1-Year Est. Return

AWM

Aberdeen Wealth Management Lake Bluff, Illinois $208M AUM 27.29% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Harbour Investments's DAT Position: Q2 2026 in Review

Harbour Investments held its ProShares Big Data Refiners ETF (DAT) position steady in Q2 2026 at 102 shares worth $4.3K. The position accounts for ﹤0.01% of the portfolio, ranked #3747.

Harbour Investments first reported a position in DAT in Q2 2024 and has held it in 9 quarters since. The position peaked at $4.89K in Q3 2025. 9 funds tracked by Wall St. Rank hold DAT as of Q2 2026.

Harbour Investments held 102 shares of ProShares Big Data Refiners ETF worth $4.3K as of Q2 2026.
Harbour Investments left its ProShares Big Data Refiners ETF share count unchanged in Q2 2026.
ProShares Big Data Refiners ETF made up ﹤0.01% of Harbour Investments's portfolio in Q2 2026, its #3747 holding.
Harbour Investments first reported a position in ProShares Big Data Refiners ETF in Q2 2024 and has held it in 9 quarters since.
Harbour Investments's ProShares Big Data Refiners ETF position peaked at $4.89K in Q3 2025.
9 funds tracked by Wall St. Rank held ProShares Big Data Refiners ETF as of Q2 2026.

Based on Harbour Investments's 13F filing for Q2 2026, filed 12 Aug 2026.