With less than a month to go before the midterms, the SuperPAC spigots are flowing. ​

The top spot this week goes to SLF PAC, the Senate Leadership Fund, which says "it is the first line of defense to protect or Republican Senate majority." It spent $173,991,698.46. The PAC directed opposition spending across nine Senate races, with Ohio drawing the most at $41.98 million, followed by $30.23 million in North Carolina and $27.4 million in Michigan. On the support side, SLF PAC reported $747,656 in the Michigan Senate race and $657,773 in North Carolina.

The runner up: Texas PAC with a $133.56 million in cumulative outside spending, all concentrated in the Texas U.S. Senate contest. The PAC reported $68.82 million in support spending and $64.74 million in opposition spending in that race. Texas PAC's spending dropped to $2.06 million in the week of Sept. 28 through Oct. 4, down from $61.39 million the prior week, a decrease of $59,328,930, or 96.6 percent.

Dropping to third place from the top spot last week is the MAGA-aligned No Going Back PAC Inc. , with a reported total of $128,265,960.25. Its largest opposition outlays targeted Ohio at $17.58 million, Michigan at $16.56 million, and North Carolina at $8.73 million. Across all three PACs, the Texas U.S. Senate race is the most heavily funded contest, drawing a combined $139.18 million in reported outside spending; the general election is scheduled for Nov. 3, 2026, and is rated a toss-up.

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