Pool
POOL · NASDAQ
Who owns POOL
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 52.0% of POOL’s shares.
- BlackRock Institutional Trust Company, N.A.10.2%
- Wellington Management Company, LLP7.1%
- Kayne Anderson Rudnick Investment Management, LLC7.1%
- Vanguard Portfolio Management, LLC5.7%
- Next 6 largest institutions22.0%
- All other shareholders48.0%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 3.71M | 10.21% |
| Wellington Management Company, LLP | 2.58M | 7.09% |
| Kayne Anderson Rudnick Investment Management, LLC | 2.57M | 7.08% |
| Vanguard Portfolio Management, LLC | 2.06M | 5.67% |
| T. Rowe Price Investment Management, Inc. | 1.99M | 5.47% |
| Vanguard Capital Management, LLC | 1.54M | 4.23% |
| AQR Capital Management, LLC | 1.40M | 3.85% |
| State Street Investment Management (US) | 1.08M | 2.97% |
| Atlanta Capital Management Company, L.L.C. | 1.00M | 2.75% |
| Perez de la Mesa (Manuel J) | 978.18K | 2.69% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 1.95M | 5.38% |
| Vanguard Total Stock Market Index Fund | 1.10M | 3.04% |
| T. Rowe Price Mid-Cap Growth Fund | 1.01M | 2.78% |
| Vanguard Small-Cap Index Fund | 796.03K | 2.19% |
| Eaton Vance-Atlanta Capital SMID-Cap Fund | 703.37K | 1.94% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $4.04M (5 trades) of POOL on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| PEREZ DE LA MESA MANUEL J | Gift | 3.96K | — |
| PEREZ DE LA MESA MANUEL J | Gift | 3.96K | — |
| Saik Walker | Tax withholding | 22 | $4.06K |
| WHALEN DAVID G | Other | 3 | $557 |
| PEREZ DE LA MESA MANUEL J | Buy | 10.00K | $1.76M |
| WHALEN DAVID G | Buy | 525 | $99.98K |
| Hope James D | Buy | 464 | $90.21K |
| PEREZ DE LA MESA MANUEL J | Buy | 10.00K | $1.90M |
| STOKELY JOHN E | Buy | 1.00K | $193.07K |
| Watwood John Bruce | Award | 8.61K | — |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Alan ArmstrongSenator | Purchase | $1K–$15K | Mar 27, 2026 |
Short interest
Settled Sep 30, 2026
- Shares short
- 3.64M
- Days to cover
- 3.93
- % of shares outstanding
- 10.01%
- Average daily volume
- 926.16K
- Change since last report
- +9.8%
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