Parallax Volatility Advisers
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Parallax Volatility Advisers’s Zillow Z Stock Holding History

Parallax Volatility Advisers’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 		$232K Sell
5,600
-72,900
-93% -$3.88M ﹤0.01% 1158
2025
Q4 		$5.36M Sell
78,500
-8,800
-10% -$637K 0.01% 653
2025
Q3 		$6.73M Buy
87,300
+29,600
+51% +$2.42M 0.01% 595
2025
Q2 		$4.04M Buy
57,700
+7,700
+15% +$519K 0.01% 680
2025
Q1 		$3.43M Sell
50,000
-130,300
-72% -$9.96M 0.01% 719
2024
Q4 		$13.4M Buy
180,300
+139,700
+344% +$9.99M 0.03% 471
2024
Q3 		$2.59M Sell
40,600
-148,400
-79% -$7.97M ﹤0.01% 1046
2024
Q2 		$8.77M Sell
189,000
-129,400
-41% -$5.69M 0.02% 521
2024
Q1 		$15.5M Buy
318,400
+97,100
+44% +$5.29M 0.03% 377
2023
Q4 		$12.8M Buy
221,300
+53,500
+32% +$2.36M 0.03% 519
2023
Q3 		$7.75M Buy
167,800
+109,700
+189% +$5.64M 0.02% 609
2023
Q2 		$2.92M Sell
58,100
-328,900
-85% -$15.1M 0.01% 985
2023
Q1 		$17.2M Sell
387,000
-90,600
-19% -$3.85M 0.04% 418
2022
Q4 		$15.4M Buy
477,600
+134,000
+39% +$4.44M 0.02% 622
2022
Q3 		$9.83M Sell
343,600
-264,400
-43% -$9.18M 0.02% 773
2022
Q2 		$19.3M Sell
608,000
-1,062,900
-64% -$42.7M 0.02% 495
2022
Q1 		$82.4M Buy
1,670,900
+882,600
+112% +$47.5M 0.04% 165
2021
Q4 		$50.3M Sell
788,300
-122,700
-13% -$8.84M 0.06% 229
2021
Q3 		$80.3M Buy
911,000
+49,800
+6% +$5.04M 0.08% 174
2021
Q2 		$105M Buy
861,200
+333,800
+63% +$40.6M 0.14% 102
2021
Q1 		$68.4M Sell
527,400
-239,900
-31% -$35.6M 0.15% 109
2020
Q4 		$99.6M Buy
767,300
+129,500
+20% +$14.3M 0.1% 156
2020
Q3 		$64.8M Buy
637,800
+191,600
+43% +$15M 0.05% 329
2020
Q2 		$25.7M Buy
446,200
+423,800
+1,892% +$21M 0.03% 438
2020
Q1 		$807K Sell
22,400
-14,600
-39% -$674K ﹤0.01% 1556
2019
Q4 		$1.7M Sell
37,000
-43,900
-54% -$1.64M ﹤0.01% 1327
2019
Q3 		$2.41M Buy
80,900
+4,700
+6% +$187K ﹤0.01% 1064
2019
Q2 		$3.53M Sell
76,200
-11,700
-13% -$466K ﹤0.01% 850
2019
Q1 		$3.05M Buy
87,900
+73,200
+498% +$2.61M ﹤0.01% 847
2018
Q4 		$463K Buy
+14,700
New +$522K ﹤0.01% 1524
2017
Q1 		– Sell
-27,300
Closed -$996K – 4826
2016
Q4 		$996K Sell
27,300
-122,700
-82% -$4.32M ﹤0.01% 1231
2016
Q3 		$5.2M Sell
150,000
-600
-0.4% -$21.5K 0.01% 657
2016
Q2 		$5.46M Sell
150,600
-29,400
-16% -$815K 0.01% 601
2016
Q1 		$4.27M Sell
180,000
-130,000
-42% -$2.72M 0.01% 627
2015
Q4 		$7.28M Buy
310,000
+130,000
+72% +$3.44M 0.01% 543
2015
Q3 		$4.86M Buy
+180,000
New +$4.7M 0.01% 688

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

Parallax Volatility Advisers's Z Position: Q1 2026 in Review

Parallax Volatility Advisers reduced its Zillow (Z) stake by 83% in Q1 2026, selling an estimated $4.42M and leaving 16,969 shares worth $702K. The position accounts for ﹤0.01% of the portfolio, ranked #999.

Parallax Volatility Advisers first reported a position in Z in Q3 2015 and has held it in 35 quarters since. The position peaked at $51.7M in Q4 2021. 490 funds tracked by Wall St. Rank hold Z as of Q1 2026.

  • Parallax Volatility Advisers held 16,969 shares of Zillow worth $702K as of Q1 2026.
  • Parallax Volatility Advisers sold 83,031 Zillow shares in Q1 2026, an estimated $4.42M.
  • Zillow made up ﹤0.01% of Parallax Volatility Advisers's portfolio in Q1 2026, its #999 holding.
  • Parallax Volatility Advisers first reported a position in Zillow in Q3 2015 and has held it in 35 quarters since.
  • Parallax Volatility Advisers's Zillow position peaked at $51.7M in Q4 2021.
  • 490 funds tracked by Wall St. Rank held Zillow as of Q1 2026.

Based on Parallax Volatility Advisers's 13F filing for Q1 2026, filed 15 May 2026.