Newbrook Capital Advisors LP: ISHARES RUSSELL 1000 GROWTH ET (IWF): Quarterly 13F Position History
As of Q1 2026, Newbrook Capital Advisors LP reported 73,208 shares of ISHARES RUSSELL 1000 GROWTH ET (IWF), worth $31.2M and representing 5.8% of its 13F equity book. Quarter-over-quarter share count change: + 48,036 (+190.8%) . The position first appeared in Q2 2020 and has been disclosed across 24 13F-HR filings in Pactolio's tracked window.
- 73,208Shares Held (Latest Filing)
- $31.2MReported Market Value (Latest Filing)
- 5.8%Portfolio Weight (% of 13F Equity Book)
- +48,036Quarter-over-Quarter Share Change
- +$19.3MQuarter-over-Quarter Value Change
- 124,122Peak Reported Shares (Historical)
Quarterly 13F-HR Disclosure History Source: SEC 13F-HR filings, 24 quarter s
| Quarter | Shares | QoQ Share Change | Share Change (%) | Market Value | Weight | Implied Price |
|---|---|---|---|---|---|---|
| Q1 2026 | 73,208 | +48,036 | +190.8% | $31.2M | 5.8% | $426.4 |
| Q4 2025 | 25,172 | 40,789 | -61.8% | $11.9M | 1.5% | $473.3 |
| Q3 2025 | 65,961 | 30,027 | -31.3% | $30.9M | 3.8% | $468.4 |
| Q2 2025 | 95,988 | +35,051 | +57.5% | $40.8M | 5.1% | $424.6 |
| Q1 2025 | 60,937 | +60,937 | — | $22.0M | 3.5% | $361.1 |
| Q4 2024 | 0 | 39,690 | -100.0% | $0 | 0.0% | — |
| Q3 2024 | 39,690 | +39,690 | — | $14.9M | 2.0% | $375.4 |
| Q2 2024 | 0 | 0 | — | $0 | 0.0% | — |
| Q1 2024 | 0 | 41,388 | -100.0% | $0 | 0.0% | — |
| Q4 2023 | 41,388 | 24,345 | -37.0% | $12.5M | 1.9% | $303.2 |
| Q3 2023 | 65,733 | +65,733 | — | $17.5M | 2.6% | $266.0 |
| Q2 2023 | 0 | 0 | — | $0 | 0.0% | — |
| Q1 2023 | 0 | 26,025 | -100.0% | $0 | 0.0% | — |
| Q4 2022 | 26,025 | 70,378 | -73.0% | $5.6M | 1.0% | $214.2 |
| Q3 2022 | 96,403 | 24,298 | -20.1% | $20.3M | 3.5% | $210.4 |
| Q2 2022 | 120,701 | +67,995 | +129.0% | $26.4M | 4.0% | $218.7 |
| Q1 2022 | 52,706 | 13,687 | -20.6% | $14.6M | 1.5% | $277.6 |
| Q4 2021 | 66,393 | +19,691 | +42.2% | $20.3M | 1.6% | $305.6 |
| Q3 2021 | 46,702 | 50,656 | -52.0% | $12.8M | 0.9% | $274.0 |
| Q2 2021 | 97,358 | +20,447 | +26.6% | $26.4M | 1.8% | $271.5 |
| Q1 2021 | 76,911 | +76,911 | — | $18.7M | 1.3% | $243.0 |
| Q4 2020 | 0 | 50,577 | -100.0% | $0 | 0.0% | — |
| Q3 2020 | 50,577 | 73,545 | -59.3% | $11.0M | 0.8% | $216.9 |
| Q2 2020 | 124,122 | — | — | $23.8M | 1.7% | $191.9 |
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 Newbrook Capital Advisors LP first disclose a IWF position in 13F-HR filings?
Newbrook Capital Advisors LP first reported ISHARES RUSSELL 1000 GROWTH ET (IWF) on its 13F-HR filing for the period ending 2020-06-30 (Q2 2020). The position has appeared on 24 reported quarters within Pactolio's tracked window.
What was Newbrook Capital Advisors LP's most recent quarter-over-quarter share-count change in IWF?
Between Q4 2025 and Q1 2026, Newbrook Capital Advisors LP added 48,036 shares of IWF (+190.8%), bringing the total reported position to 73,208 shares at a market value of $31.2M.
Does the implied price-per-share represent Newbrook Capital Advisors LP's cost basis in IWF?
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.