Simplex Trading
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Simplex Trading’s Zillow Z Stock Holding History

Simplex Trading’s Portfolio Z Stock Details Z Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.68M Sell
40,700
-70,900
-64% -$3.77M ﹤0.01% 1983
2025
Q4 		$7.61M Sell
111,600
-74,500
-40% -$5.39M ﹤0.01% 1025
2025
Q3 		$14.3M Buy
186,100
+53,800
+41% +$4.4M 0.01% 769
2025
Q2 		$9.26M Sell
132,300
-118,200
-47% -$7.96M 0.01% 939
2025
Q1 		$17.2M Sell
250,500
-276,900
-53% -$21.2M 0.01% 591
2024
Q4 		$39M Sell
527,400
-55,900
-10% -$4M 0.02% 379
2024
Q3 		$37.2M Buy
583,300
+89,700
+18% +$4.82M 0.02% 383
2024
Q2 		$22.8M Sell
493,600
-602,700
-55% -$26.5M 0.01% 564
2024
Q1 		$53.4M Buy
1,096,300
+422,200
+63% +$23M 0.03% 327
2023
Q4 		$38.9M Buy
674,100
+160,000
+31% +$7.05M 0.02% 423
2023
Q3 		$23.7M Buy
514,100
+150,400
+41% +$7.73M 0.02% 521
2023
Q2 		$18.3M Sell
363,700
-232,700
-39% -$10.7M 0.02% 625
2023
Q1 		$26.5M Sell
596,400
-421,300
-41% -$17.9M 0.02% 477
2022
Q4 		$32.7M Buy
1,017,700
+355,300
+54% +$11.8M 0.04% 388
2022
Q3 		$19M Sell
662,400
-230,200
-26% -$7.99M 0.02% 532
2022
Q2 		$28.3M Sell
892,600
-13,800
-2% -$554K 0.03% 382
2022
Q1 		$44.6M Sell
906,400
-50,500
-5% -$2.72M 0.04% 313
2021
Q4 		$61M Buy
956,900
+786,000
+460% +$56.6M 0.06% 241
2021
Q3 		$20.6M Buy
170,900
+8,000
+5% +$809K 0.02% 445
2021
Q2 		$19.9M Buy
162,900
+160,500
+6,688% +$19.5M 0.02% 444
2021
Q1 		$31.2M Sell
2,400
-1,935
-45% -$287K 0.06% 206
2020
Q4 		$56.8M Sell
4,335
-779
-15% -$86.2K 0.07% 158
2020
Q3 		$52M Buy
5,114
+2,976
+139% +$232K 0.07% 156
2020
Q2 		$12.3M Sell
2,138
-862
-29% -$42.8K 0.02% 439
2020
Q1 		$10.7M Buy
3,000
+1,368
+84% +$63.2K 0.02% 389
2019
Q4 		$7.49M Sell
1,632
-104
-6% -$3.87K 0.02% 585
2019
Q3 		$5.17M Buy
1,736
+495
+40% +$19.7K 0.01% 702
2019
Q2 		$5.75M Buy
1,241
+497
+67% +$19.8K 0.02% 617
2019
Q1 		$2.58M Sell
744
-103
-12% -$3.67K 0.01% 1150
2018
Q4 		$2.67M Buy
847
+418
+97% +$14.8K 0.01% 908
2018
Q3 		$1.9M Buy
429
+167
+64% +$8.71K 0.01% 1295
2018
Q2 		$1.55M Buy
262
+99
+61% +$5.49K 0.01% 1365
2018
Q1 		$129K Hold
163
– – 0.01% 1594
2017
Q4 		$52K Sell
163
-535
-77% -$22K ﹤0.01% 2418
2017
Q3 		$136K Sell
698
-389
-36% -$16.4K 0.01% 1478
2017
Q2 		$861K Buy
1,087
+840
+340% +$35.2K 0.04% 424
2017
Q1 		$76K Sell
247
-688
-74% -$24.5K ﹤0.01% 1985
2016
Q4 		$359K Sell
935
-44
-4% -$1.55K 0.02% 712
2016
Q3 		$455K Buy
979
+11
+1% +$394 0.03% 556
2016
Q2 		$648K Buy
968
+245
+34% +$6.79K 0.04% 426
2016
Q1 		$155K Buy
723
+303
+72% +$6.33K 0.01% 1034
2015
Q4 		$85K Sell
420
-468
-53% -$12.4K 0.01% 1489
2015
Q3 		$374K Buy
+888
New +$23.2K 0.03% 563

Other funds holding Z

CIA
Caledonia Investments (Australia) Sydney NSW, Australia $3.44B AUM 20.03% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
IFP
Independent Franchise Partners London, United Kingdom $14.3B AUM 3.49% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Tiger Global Management
Tiger Global Management New York $22.8B AUM 30.07% 1-Year Est. Return
Ninety One (UK)
Ninety One (UK) London, United Kingdom $44.7B AUM 17.24% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
EC
Eminence Capital New York $4.36B AUM 3.1% 1-Year Est. Return

Simplex Trading's Z Position: Q1 2026 in Review

Simplex Trading reduced its Zillow (Z) stake by 61% in Q1 2026, selling an estimated $1.36M and leaving 16,542 shares worth $685K. The position accounts for ﹤0.01% of the portfolio, ranked #2912.

Simplex Trading first reported a position in Z in Q1 2017 and has held it in 24 quarters since. The position peaked at $9.39M in Q4 2023. 489 funds tracked by Wall St. Rank hold Z as of Q1 2026.

  • Simplex Trading held 16,542 shares of Zillow worth $685K as of Q1 2026.
  • Simplex Trading sold 25,613 Zillow shares in Q1 2026, an estimated $1.36M.
  • Zillow made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #2912 holding.
  • Simplex Trading first reported a position in Zillow in Q1 2017 and has held it in 24 quarters since.
  • Simplex Trading's Zillow position peaked at $9.39M in Q4 2023.
  • 489 funds tracked by Wall St. Rank held Zillow as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.