Pentwater Capital Management LP — STATE STREET SPDR S&P 500 ETF SPY: Quarterly 13F Position History
Pentwater Capital Management LP has reported STATE STREET SPDR S&P 500 ETF (SPY) on 39 13F-HR filings in Pactolio's tracked window, first appearing in Q3 2016. As of Q1 2026, the position is sized at 580,000 shares ($377.2M market value, 2.68% of the equity book). Quarter-over-quarter share count change: + 570,000 (+5700.0%) .
- 580,000Shares Held (Latest Filing)
- $377.2MReported Market Value (Latest Filing)
- 2.68%Portfolio Weight (% of 13F Equity Book)
- +570,000Quarter-over-Quarter Share Change
- +$370.4MQuarter-over-Quarter Value Change
- 5,513,000Peak Reported Shares (Historical)
Quarterly 13F-HR Disclosure History Source: SEC 13F-HR filings, 39 quarter s
| Quarter | Shares | QoQ Share Change | Share Change (%) | Market Value | Weight | Implied Price |
|---|---|---|---|---|---|---|
| Q1 2026 | 580,000 | +570,000 | +5700.0% | $377.2M | 2.68% | $650.34 |
| Q4 2025 | 10,000 | 390,000 | -97.5% | $6.8M | 0.05% | $681.92 |
| Q3 2025 | 400,000 | +170,000 | +73.9% | $266.5M | 2.39% | $666.18 |
| Q2 2025 | 230,000 | 370,000 | -61.7% | $142.1M | 1.81% | $617.85 |
| Q1 2025 | 600,000 | 150,000 | -20.0% | $335.6M | 4.68% | $559.39 |
| Q4 2024 | 750,000 | 20,000 | -2.6% | $439.6M | 7.57% | $586.08 |
| Q3 2024 | 770,000 | +311,600 | +68.0% | $441.8M | 8.10% | $573.76 |
| Q2 2024 | 458,400 | +26,021 | +6.0% | $249.5M | 5.39% | $544.22 |
| Q1 2024 | 432,379 | +257,959 | +147.9% | $226.2M | 3.71% | $523.07 |
| Q4 2023 | 174,420 | 245,960 | -58.5% | $82.9M | 1.56% | $475.31 |
| Q3 2023 | 420,380 | +225,342 | +115.5% | $179.7M | 1.73% | $427.48 |
| Q2 2023 | 195,038 | +55,000 | +39.3% | $86.5M | 1.08% | $443.28 |
| Q1 2023 | 140,038 | 267,712 | -65.7% | $57.3M | 0.95% | $409.39 |
| Q4 2022 | 407,750 | +407,600 | +271733.3% | $155.9M | 4.89% | $382.43 |
| Q3 2022 | 150 | 5,000 | -97.1% | $54.0K | 0.00% | $360.00 |
| Q2 2022 | 5,150 | 25,000 | -82.9% | $1.9M | 0.03% | $377.28 |
| Q1 2022 | 30,150 | +30,000 | +20000.0% | $13.6M | 0.25% | $451.64 |
| Q4 2021 | 150 | 625,000 | -100.0% | $71.0K | 0.00% | $473.33 |
| Q3 2021 | 625,150 | +620,000 | +12038.8% | $268.3M | 3.69% | $429.14 |
| Q2 2021 | 5,150 | +3,000 | +139.5% | $2.2M | 0.02% | $428.16 |
| Q1 2021 | 2,150 | 210,059 | -99.0% | $852.0K | 0.01% | $396.28 |
| Q4 2020 | 212,209 | 1,261,441 | -85.6% | $79.3M | 1.22% | $373.88 |
| Q3 2020 | 1,473,650 | +364,650 | +32.9% | $493.5M | 10.00% | $334.89 |
| Q2 2020 | 1,109,000 | 17,500 | -1.6% | $342.0M | 10.21% | $308.36 |
| Q1 2020 | 1,126,500 | +1,126,500 | — | $290.4M | 7.77% | $257.75 |
| Q4 2019 | 0 | 1,180,000 | -100.0% | $0 | 0.00% | — |
| Q3 2019 | 1,180,000 | +895,000 | +314.0% | $350.2M | 10.78% | $296.77 |
| Q2 2019 | 285,000 | +184,000 | +182.2% | $83.5M | 1.57% | $293.00 |
| Q1 2019 | 101,000 | 5,412,000 | -98.2% | $28.5M | 0.76% | $282.48 |
| Q4 2018 | 5,513,000 | +5,508,000 | +110160.0% | $1.38B | 26.99% | $249.92 |
| Q3 2018 | 5,000 | 310,000 | -98.4% | $1.5M | 0.02% | $290.80 |
| Q2 2018 | 315,000 | +253,000 | +408.1% | $85.5M | 1.23% | $271.28 |
| Q1 2018 | 62,000 | +32,000 | +106.7% | $16.3M | 0.19% | $263.15 |
| Q4 2017 | 30,000 | +30,000 | — | $8.0M | 0.11% | $266.87 |
| Q3 2017 | 0 | 0 | — | $0 | 0.00% | — |
| Q2 2017 | 0 | 345,000 | -100.0% | $0 | 0.00% | — |
| Q1 2017 | 345,000 | +195,000 | +130.0% | $81.3M | 1.73% | $235.74 |
| Q4 2016 | 150,000 | 220,000 | -59.5% | $33.5M | 1.05% | $223.53 |
| Q3 2016 | 370,000 | — | — | $80.0M | 1.47% | $216.30 |
Methodology & FAQ
How This Position History Is Sourced
Each row is one SEC Form 13F-HR filing disclosing this position. Share count, market value, and reported quarter are taken verbatim from the filing; portfolio weight is recomputed against the same filing's total reported equity book. Implied price-per-share is market value divided by shares — a quarter-end mark, not the manager's cost basis. See the full methodology document for the normalization rules.
When did Pentwater Capital Management LP first disclose a SPY position in 13F-HR filings?
Pentwater Capital Management LP first reported STATE STREET SPDR S&P 500 ETF (SPY) on its 13F-HR filing for the period ending 2016-09-30 (Q3 2016). The position has appeared on 39 reported quarters within Pactolio's tracked window.
What was Pentwater Capital Management LP's most recent quarter-over-quarter share-count change in SPY?
Between Q4 2025 and Q1 2026, Pentwater Capital Management LP added 570,000 shares of SPY (+5700.0%), bringing the total reported position to 580,000 shares at a market value of $377.2M.
Does the implied price-per-share represent Pentwater Capital Management LP's cost basis in SPY?
No. The implied price-per-share column is the 13F-HR reported market value divided by reported share count on the filing date (end of quarter). It is a quarter-end mark, not a cost basis or transaction price. Use it as a sanity check on the value column, not as an indicator of the manager's entry or exit price.