Free-float surveillance

The market’s biggest free-float movers

The largest security-level free-float changes in the current published monitoring window, traced to the owner event that moved the factor.

Published 17/08/2026, 09:56:24

Ranked by absolute factor movement

Current published leaders

Rank	Ticker	Free float	Largest mover	Evidence	Shares out
1	FA As of 2026-08-12 Filed 2026-08-14	0.4529→0.5483 +953.26 bps	Silver Lake Group, L.L.C. -16.53M shares · Active Investor Ownership profile	13-F→Form 4 Active Investor→Active Investor Ownership: 52.2% → 42.5%	171.75M prior 171.54M Changed
2	INVX As of 2026-08-06 Filed 2026-08-10	0.6584→0.7299 +714.95 bps	Turowsky Jason -5M shares · Individual Ownership profile	13-D→13-D Individual→Individual Ownership: 32.5% → 25.4%	69.94M prior 69.94M
3	VCTR As of 2026-08-13 Filed 2026-08-14	0.6982→0.7651 +669.37 bps	Crestview Victory, L.P. -4.12M shares · Passive Investor Ownership profile	13-F→13-G Active Investor→Passive Investor Ownership: 6.7% → 0.0% (3.2%)	61.51M prior 61.51M
4	OPLN As of 2026-08-11 Filed 2026-08-13	0.8582→0.9234 +651.48 bps	Ignition Acquisition Holdings GP LLC -8M shares · Active Investor Ownership profile	13-D→13-D Active Investor→Active Investor Ownership: 13.4% → 6.9%	122.8M prior 122.8M
5	ALGT As of 2026-08-04 Filed 2026-08-06	0.8658→0.9095 +437.2 bps	Neal Robert James -260 shares · Individual Ownership profile	Proxy→Form 4 Individual→Individual Ownership: 0.2% → 0.1%	27.34M prior 18.44M Changed
6	AMRX As of 2026-08-10 Filed 2026-08-12	0.5669→0.5292 -377.01 bps	Tushar Patel +12.76M shares · Active Investor Profile pending	Proxy→13-D Outsider→Active Investor Ownership: 15.2% → 17.6%	348.3M prior 319.02M Changed
7	CRBG As of 2026-08-10 Filed 2026-08-12	0.5834→0.6159 +325.28 bps	Argon Holdco LLC -14.5M shares · Active Investor Ownership profile	13-G→Form 4 Active Investor→Active Investor Ownership: 13.9% → 10.6%	445.77M prior 445.77M
8	LFST As of 2026-08-10 Filed 2026-08-12	0.6109→0.6403 +294.18 bps	TPG GP A, LLC -13.64M shares · Active Investor Ownership profile	13-G→Form 4 Active Investor→Active Investor Ownership: 28.8% → 25.7%	382.06M prior 387.83M Changed
9	CART As of 2026-08-10 Filed 2026-08-12	0.6683→0.6948 +264.71 bps	SC US (TTGP), LTD. -7.35M shares · Active Investor Ownership profile	13-D→Form 4 Active Investor→Active Investor Ownership: 12.1% → 8.9%	231.5M prior 231.5M
10	PRKS As of 2026-08-06 Filed 2026-08-10	0.3954→0.3717 -237.77 bps	Finazzo Christopher L. -6,622 shares · Individual Ownership profile	Form 4→Form 4 Individual→Individual Ownership: 0.3% → 0.3%	45.34M prior 47.14M Changed