Marshall Wace
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Marshall Wace’s Tenet Healthcare THC Stock Holding History

Marshall Wace’s Portfolio THC Stock Details THC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$937K Buy
+4,963
New +$1.05M ﹤0.01% 2167
2025
Q4 		– Sell
-444,564
Closed -$90.3M – 3477
2025
Q3 		$90.3M Buy
444,564
+5,529
+1% +$981K 0.09% 189
2025
Q2 		$77.3M Buy
439,035
+245,536
+127% +$37M 0.09% 219
2025
Q1 		$26M Sell
193,499
-306,056
-61% -$40.3M 0.03% 442
2024
Q4 		$63.1M Sell
499,555
-240,453
-32% -$35.8M 0.08% 242
2024
Q3 		$123M Buy
740,008
+26,029
+4% +$3.94M 0.15% 114
2024
Q2 		$95M Buy
713,979
+48,626
+7% +$5.85M 0.13% 150
2024
Q1 		$69.9M Buy
665,353
+16,515
+3% +$1.48M 0.11% 183
2023
Q4 		$49M Sell
648,838
-778,030
-55% -$49.3M 0.08% 239
2023
Q3 		$94M Sell
1,426,868
-854,597
-37% -$63.9M 0.19% 104
2023
Q2 		$186M Buy
2,281,465
+1,646,137
+259% +$117M 0.36% 48
2023
Q1 		$37.8M Buy
635,328
+443,715
+232% +$24.7M 0.08% 278
2022
Q4 		$9.35M Buy
191,613
+52,658
+38% +$2.43M 0.02% 843
2022
Q3 		$7.17M Buy
138,955
+107,265
+338% +$6.37M 0.02% 1124
2022
Q2 		$1.67M Buy
31,690
+3,637
+13% +$253K ﹤0.01% 2120
2022
Q1 		$2.41M Sell
28,053
-192,722
-87% -$15.8M ﹤0.01% 1940
2021
Q4 		$18M Buy
+220,775
New +$16.1M 0.03% 532
2021
Q2 		– Sell
-102,103
Closed -$5.31M – 3087
2021
Q1 		$5.31M Buy
102,103
+68,578
+205% +$3.47M 0.02% 800
2020
Q4 		$1.34M Buy
+33,525
New +$1.08M 0.01% 1094
2019
Q4 		– Sell
-3,800
Closed -$84K – 2058
2019
Q3 		$84K Sell
3,800
-186,783
-98% -$3.98M ﹤0.01% 1415
2019
Q2 		$3.94M Sell
190,583
-7,359
-4% -$170K 0.03% 563
2019
Q1 		$5.71M Sell
197,942
-51,210
-21% -$1.26M 0.05% 432
2018
Q4 		$4.27M Buy
+249,152
New +$6.03M 0.04% 494
2016
Q4 		– Sell
-60,518
Closed -$1.37M – 1115
2016
Q3 		$1.37M Buy
+60,518
New +$1.58M 0.01% 674
2015
Q3 		– Sell
-140,180
Closed -$8.11M – 1057
2015
Q2 		$8.11M Buy
+140,180
New +$7.16M 0.11% 213

Other funds holding THC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
LPC
Lone Pine Capital Greenwich, Connecticut $12.5B AUM 54.4% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Marshall Wace's THC Position: Q1 2026 in Review

Marshall Wace opened a new position in Tenet Healthcare (THC) in Q1 2026: 4,963 shares worth $937K. The stake represents ﹤0.01% of the portfolio and ranks #2167 among its holdings. This is a return to the name: Marshall Wace previously reported a position in THC as recently as Q3 2025.

Marshall Wace first reported a position in THC in Q2 2015 and has held it in 25 quarters since. The position peaked at $186M in Q2 2023. 690 funds tracked by Wall St. Rank hold THC as of Q1 2026.

  • Marshall Wace held 4,963 shares of Tenet Healthcare worth $937K as of Q1 2026.
  • Tenet Healthcare was a new Marshall Wace position in Q1 2026.
  • Tenet Healthcare made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2167 holding.
  • Marshall Wace first reported a position in Tenet Healthcare in Q2 2015 and has held it in 25 quarters since.
  • Marshall Wace's Tenet Healthcare position peaked at $186M in Q2 2023.
  • 690 funds tracked by Wall St. Rank held Tenet Healthcare as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.