AMERICAN CAPITAL MANAGEMENT INC

Position in TW — Tradeweb Markets Inc.

CIK 1320168 NEW YORK, NY

Position in TW

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$29,326,402

+$1,504,191 QoQ

Shares Held

249,247

-3.7% QoQ

Ownership

0.106%

of shares outstanding

% of Portfolio

1.58%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

24 quarters on record

Voting authority Sole 34.201013452518986.ToString("F0")% Shared 0.ToString("F0")% None 65.79898654748101.ToString("F0")%

Financial Services · as of Mar 31, 2026

AMERICAN CAPITAL MANAGEMENT INC holds $29,326,402 across 1 Capital Markets name. TW ranks #1 (100.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	TW	Tradeweb Markets Inc. This page	249,247	$29,326,402

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$29,326,402	249,247	-3.7%	Shares	Sole	2026-05-15
2025-12-31	$27,822,211	258,715	-2.7%	Shares	Sole	2026-02-17
2025-09-30	$29,521,345	266,006	-8.2%	Shares	Sole	2025-11-14
2025-06-30	$42,429,501	289,819	-7.7%	Shares	Sole	2025-08-14
2025-03-31	$46,634,849	314,124	+5.3%	Shares	Sole	2025-05-15
2024-12-31	$39,045,188	298,237	+1.4%	Shares	Sole	2025-02-11
2024-09-30	$36,387,300	294,229	-0.8%	Shares	Sole	2024-11-14
2024-06-30	$31,443,310	296,635	+0.7%	Shares	Sole	2024-08-14
2024-03-31	$30,682,856	294,546	-3.6%	Shares	Sole	2024-05-15
2023-12-31	$27,756,478	305,419	-0.6%	Shares	Sole	2024-02-14
2023-09-30	$24,630,382	307,112	-0.6%	Shares	Sole	2023-11-14
2023-06-30	$21,167,578	309,106	-0.8%	Shares	Sole	2023-08-14
2023-03-31	$24,621,130	311,581	-0.5%	Shares	Sole	2023-05-03
2022-12-31	$20,334,193	313,171	-14.1%	Shares	Sole	2023-02-14
2022-09-30	$20,567,177	364,537	+19.9%	Shares	Sole	2022-11-14
2022-06-30	$20,758,715	304,157	+0.9%	Shares	Sole	2022-08-15
2022-03-31	$26,490,959	301,479	+7.5%	Shares	Sole	2022-05-16
2021-12-31	$28,072,246	280,330	+12.5%	Shares	Sole	2022-02-14
2021-09-30	$20,137,726	249,291	+21.2%	Shares	Sole	2021-11-15
2021-06-30	$17,389,679	205,649	+13.8%	Shares	Sole	2021-08-13
2021-03-31	$13,368,914	180,661	+3385.6%	Shares	Sole	2021-05-17
2020-12-31	$323,678	5,183	+9.3%	Shares	Sole	2021-02-16
2020-09-30	$274,920	4,740	+4.5%	Shares	Sole	2020-11-16
2020-06-30	$263,781	4,537	—	Shares	Sole	2020-08-13
No filing history on record for this holder in this stock.