12 West Capital Management LP: ROBLOX CORP (RBLX): Quarterly 13F Position History
As of Q1 2026, 12 West Capital Management LP reported 950,000 shares of ROBLOX CORP (RBLX), worth $53.7M and representing 9.1% of its 13F equity book. Quarter-over-quarter share count change: 100,000 (-9.5%) . The position first appeared in Q1 2021 and has been disclosed across 21 13F-HR filings in Pactolio's tracked window.
- 950,000Shares Held (Latest Filing)
- $53.7MReported Market Value (Latest Filing)
- 9.1%Portfolio Weight (% of 13F Equity Book)
- 100,000Quarter-over-Quarter Share Change
- -$31.3MQuarter-over-Quarter Value Change
- 4,162,000Peak Reported Shares (Historical)
Quarterly 13F-HR Disclosure History Source: SEC 13F-HR filings, 21 quarter s
| Quarter | Shares | QoQ Share Change | Share Change (%) | Market Value | Weight | Implied Price |
|---|---|---|---|---|---|---|
| Q1 2026 | 950,000 | 100,000 | -9.5% | $53.7M | 9.1% | $56.6 |
| Q4 2025 | 1,050,000 | 15,000 | -1.4% | $85.1M | 10.1% | $81.0 |
| Q3 2025 | 1,065,000 | 68,000 | -6.0% | $147.5M | 15.3% | $138.5 |
| Q2 2025 | 1,133,000 | 50,000 | -4.2% | $119.2M | 12.6% | $105.2 |
| Q1 2025 | 1,183,000 | 878,988 | -42.6% | $69.0M | 10.2% | $58.3 |
| Q4 2024 | 2,061,988 | 1,970,000 | -48.9% | $119.3M | 12.5% | $57.9 |
| Q3 2024 | 4,031,988 | +850,000 | +26.7% | $178.5M | 18.3% | $44.3 |
| Q2 2024 | 3,181,988 | +1,595,000 | +100.5% | $118.4M | 12.2% | $37.2 |
| Q1 2024 | 1,586,988 | 2,095,000 | -56.9% | $60.6M | 5.5% | $38.2 |
| Q4 2023 | 3,681,988 | +836,988 | +29.4% | $168.3M | 15.9% | $45.7 |
| Q3 2023 | 2,845,000 | +440,000 | +18.3% | $82.4M | 7.5% | $29.0 |
| Q2 2023 | 2,405,000 | 645,000 | -21.1% | $96.9M | 8.3% | $40.3 |
| Q1 2023 | 3,050,000 | 425,000 | -12.2% | $137.2M | 11.8% | $45.0 |
| Q4 2022 | 3,475,000 | +650,000 | +23.0% | $98.9M | 10.0% | $28.5 |
| Q3 2022 | 2,825,000 | +345,000 | +13.9% | $101.2M | 8.9% | $35.8 |
| Q2 2022 | 2,480,000 | +620,000 | +33.3% | $81.5M | 6.9% | $32.9 |
| Q1 2022 | 1,860,000 | 2,302,000 | -55.3% | $86.0M | 5.2% | $46.2 |
| Q4 2021 | 4,162,000 | +450,000 | +12.1% | $429.4M | 19.0% | $103.2 |
| Q3 2021 | 3,712,000 | +1,900,000 | +104.9% | $280.4M | 12.8% | $75.6 |
| Q2 2021 | 1,812,000 | +652,000 | +56.2% | $163.0M | 6.8% | $90.0 |
| Q1 2021 | 1,160,000 | — | — | $75.2M | 3.6% | $64.8 |
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 12 West Capital Management LP first disclose a RBLX position in 13F-HR filings?
12 West Capital Management LP first reported ROBLOX CORP (RBLX) on its 13F-HR filing for the period ending 2021-03-31 (Q1 2021). The position has appeared on 21 reported quarters within Pactolio's tracked window.
What was 12 West Capital Management LP's most recent quarter-over-quarter share-count change in RBLX?
Between Q4 2025 and Q1 2026, 12 West Capital Management LP reduced its RBLX position by 100,000 shares (-9.5%), leaving 950,000 shares at a market value of $53.7M.
Does the implied price-per-share represent 12 West Capital Management LP's cost basis in RBLX?
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.