ACM
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American Capital Management’s Tradeweb Markets TW Stock Holding History

American Capital Management’s Portfolio TW Stock Details TW Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$29.3M Sell
249,247
-9,468
-4% -$1.08M 1.58% 27
2025
Q4 		$27.8M Sell
258,715
-7,291
-3% -$783K 1.23% 30
2025
Q3 		$29.5M Sell
266,006
-23,813
-8% -$3.06M 1.18% 26
2025
Q2 		$42.4M Sell
289,819
-24,305
-8% -$3.39M 1.76% 23
2025
Q1 		$46.6M Buy
314,124
+15,887
+5% +$2.11M 1.9% 24
2024
Q4 		$39M Buy
298,237
+4,008
+1% +$529K 1.45% 30
2024
Q3 		$36.4M Sell
294,229
-2,406
-0.8% -$273K 1.19% 30
2024
Q2 		$31.4M Buy
296,635
+2,089
+0.7% +$221K 1.05% 34
2024
Q1 		$30.7M Sell
294,546
-10,873
-4% -$1.09M 0.98% 34
2023
Q4 		$27.8M Sell
305,419
-1,693
-0.6% -$151K 0.95% 33
2023
Q3 		$24.6M Sell
307,112
-1,994
-0.6% -$159K 0.95% 32
2023
Q2 		$21.2M Sell
309,106
-2,475
-0.8% -$175K 0.74% 37
2023
Q1 		$24.6M Sell
311,581
-1,590
-0.5% -$115K 0.87% 34
2022
Q4 		$20.3M Sell
313,171
-51,366
-14% -$3.02M 0.8% 36
2022
Q3 		$20.6M Buy
364,537
+60,380
+20% +$4.11M 0.81% 38
2022
Q2 		$20.8M Buy
304,157
+2,678
+0.9% +$195K 0.78% 35
2022
Q1 		$26.5M Buy
301,479
+21,149
+8% +$1.83M 0.78% 35
2021
Q4 		$28.1M Buy
280,330
+31,039
+12% +$2.86M 0.72% 38
2021
Q3 		$20.1M Buy
249,291
+43,642
+21% +$3.76M 0.54% 39
2021
Q2 		$17.4M Buy
205,649
+24,988
+14% +$2.04M 0.49% 40
2021
Q1 		$13.4M Buy
180,661
+175,478
+3,386% +$12.1M 0.4% 46
2020
Q4 		$324K Buy
5,183
+443
+9% +$26.8K 0.01% 68
2020
Q3 		$275K Buy
4,740
+203
+4% +$11.2K 0.01% 70
2020
Q2 		$264K Buy
+4,537
New +$261K 0.01% 70

Other funds holding TW

T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
LP
Linonia Partnership New York $5.38B AUM 20.54% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Grantham, Mayo, Van Otterloo & Co (GMO)
Grantham, Mayo, Van Otterloo & Co (GMO) Boston, Massachusetts $39.1B AUM 28.69% 1-Year Est. Return

American Capital Management's TW Position: Q1 2026 in Review

American Capital Management reduced its Tradeweb Markets (TW) stake by 3.7% in Q1 2026, selling an estimated $1.08M and leaving 249,247 shares worth $29.3M. The position accounts for 1.58% of the portfolio, ranked #27.

American Capital Management first reported a position in TW in Q2 2020 and has held it in 24 quarters since. The position peaked at $46.6M in Q1 2025. 583 funds tracked by Wall St. Rank hold TW as of Q1 2026.

  • American Capital Management held 249,247 shares of Tradeweb Markets worth $29.3M as of Q1 2026.
  • American Capital Management sold 9,468 Tradeweb Markets shares in Q1 2026, an estimated $1.08M.
  • Tradeweb Markets made up 1.58% of American Capital Management's portfolio in Q1 2026, its #27 holding.
  • American Capital Management first reported a position in Tradeweb Markets in Q2 2020 and has held it in 24 quarters since.
  • American Capital Management's Tradeweb Markets position peaked at $46.6M in Q1 2025.
  • 583 funds tracked by Wall St. Rank held Tradeweb Markets as of Q1 2026.

Based on American Capital Management's 13F filing for Q1 2026, filed 15 May 2026.