MF
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Magnetar Financial’s Warner Bros WBD Stock Holding History

Magnetar Financial’s Portfolio WBD Stock Details WBD Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$73.3M Sell
2,747,884
-269,208
-9% -$7.28M 0.67% 15
2026
Q1 		$81.7M Sell
3,017,092
-166,061
-5% -$4.65M 0.83% 6
2025
Q4 		$91.7M Buy
+3,183,153
New +$74.4M 0.9% 8
2024
Q1 		– Sell
-14,103
Closed -$160K – 499
2023
Q4 		$160K Sell
14,103
-48,216
-77% -$520K ﹤0.01% 342
2023
Q3 		$677K Sell
62,319
-24,239
-28% -$303K 0.02% 291
2023
Q2 		$1.09M Buy
+86,558
New +$1.12M 0.02% 266
2020
Q3 		– Sell
-9,620
Closed -$203K – 744
2020
Q2 		$203K Buy
+9,620
New +$208K 0.01% 399
2019
Q4 		– Sell
-29,961
Closed -$798K – 655
2019
Q3 		$798K Buy
+29,961
New +$870K 0.02% 279
2019
Q2 		– Sell
-16,312
Closed -$441K – 553
2019
Q1 		$441K Buy
+16,312
New +$454K 0.01% 263
2018
Q4 		– Sell
-9,159
Closed -$293K – 510
2018
Q3 		$293K Buy
+9,159
New +$258K 0.01% 341
2017
Q4 		– Sell
-11,519
Closed -$245K – 903
2017
Q3 		$245K Sell
11,519
-1,986
-15% -$46.8K ﹤0.01% 566
2017
Q2 		$349K Buy
13,505
+3,873
+40% +$105K 0.01% 552
2017
Q1 		$280K Buy
+9,632
New +$270K ﹤0.01% 587
2016
Q2 		– Sell
-13,767
Closed -$394K – 485
2016
Q1 		$394K Sell
13,767
-222
-2% -$5.94K 0.01% 239
2015
Q4 		$373K Buy
+13,989
New +$404K ﹤0.01% 249

Other funds holding WBD

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
PCM
Pentwater Capital Management Naples, Florida $16.4B AUM 55.44% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

Magnetar Financial's WBD Position: Q2 2026 in Review

Magnetar Financial reduced its Warner Bros (WBD) stake by 8.9% in Q2 2026, selling an estimated $7.28M and leaving 2,747,884 shares worth $73.3M. The position accounts for 0.67% of the portfolio, ranked #15.

Magnetar Financial first reported a position in WBD in Q4 2015 and has held it in 15 quarters since. The position peaked at $91.7M in Q4 2025. 1,310 funds tracked by Wall St. Rank hold WBD as of Q2 2026.

  • Magnetar Financial held 2,747,884 shares of Warner Bros worth $73.3M as of Q2 2026.
  • Magnetar Financial sold 269,208 Warner Bros shares in Q2 2026, an estimated $7.28M.
  • Warner Bros made up 0.67% of Magnetar Financial's portfolio in Q2 2026, its #15 holding.
  • Magnetar Financial first reported a position in Warner Bros in Q4 2015 and has held it in 15 quarters since.
  • Magnetar Financial's Warner Bros position peaked at $91.7M in Q4 2025.
  • 1,310 funds tracked by Wall St. Rank held Warner Bros as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.