AB · Insider trading · 13F holders · Congress trades
Alliancebernstein Holding L.P. (AB)
Who is buying and selling AB: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 10
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $186K
- Congress trades, 12 months
- 3
AB at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 AB insider filed 1 sale worth $186K on SEC Form 4, and no open-market purchases.
- 10 13F filers hold AB among their 50 largest positions, worth $21.5M combined. The biggest bets by portfolio weight are Four Tree Island Advisory LLC (2.4%), Parrish Capital LLC (1.8%) and Chelsea Counsel Co (1.4%). In their latest 13Fs, 0 managers opened a new position and 2 added to one.
- Members of Congress have disclosed 3 AB trades since 2020, 3 purchases and 0 sales in the past year; the latest was Nancy Pelosi (D-CA), buying $500K–1M on Feb 23, 2021.
- AB last closed at $35.27 on Oct 29, 2026.
AB insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 AB insider filed 1 sale worth $186K on SEC Form 4, and no open-market purchases.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 6, 2026 | Stonehill Charles G.T. | Director | Sale | 5,000 | $37.17 | $186K | SEC |
Who owns AB? Hedge funds and superinvestors
10 13F filers hold AB among their 50 largest positions, worth $21.5M combined. The biggest bets by portfolio weight are Four Tree Island Advisory LLC (2.4%), Parrish Capital LLC (1.8%) and Chelsea Counsel Co (1.4%). In their latest 13Fs, 0 managers opened a new position and 2 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Four Tree Island Advisory LLCWealth manager | 2.4% | $7.3M | 207,571 | +0.0% shares | Q2 2026 |
| Chelsea Counsel CoInstitutional asset manager | 1.4% | $3.4M | 95,180 | -0.1% shares | Q2 2026 |
| Disciplined Equity Management, Inc.Wealth manager | 1.0% | $2.3M | 65,390 | +1.7% shares | Q3 2026 |
| Parrish Capital LLCWealth manager | 1.8% | $1.9M | 53,743 | +10.5% shares | Q3 2026 |
| Sharpepoint LLCWealth manager | 0.9% | $1.8M | 52,385 | — | Q2 2026 |
| Knott David M JrInvestment manager | 0.9% | $1.7M | 48,000 | +0.0% shares | Q2 2026 |
| Cacti Asset Management LLCInstitutional asset manager | 0.1% | $1.5M | 43,600 | -2.8% shares | Q3 2026 |
| Zazove Associates LLCInstitutional asset manager | 0.7% | $680K | 19,300 | — | Q2 2026 |
| Wealth Preservation Advisors, LLCWealth manager | 0.3% | $530K | 15,061 | — | Q2 2026 |
| Mallini Complete Financial Planning LLCWealth manager | 0.3% | $383K | 10,979 | +6.0% shares | Q3 2026 |
Each manager counts with its latest 13F (Q3 2026: 4, Q2 2026: 6). Screen AB in the grand portfolio →
AB stock trades by members of Congress
Members of Congress have disclosed 3 AB trades since 2020, 3 purchases and 0 sales in the past year; the latest was Nancy Pelosi (D-CA), buying $500K–1M on Feb 23, 2021.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Mar 9, 2021 | Nancy PelosiD-CA · House | Buy | $500K–1M | Feb 23, 2021 | -2.4% |
| Mar 9, 2021 | Nancy PelosiD-CA · House | Buy | $500K–1M | Feb 18, 2021 | -6.8% |
| Jan 21, 2021 | Nancy PelosiD-CA · House | Buy | $500K–1M | Dec 22, 2020 | +5.8% |
AB questions and answers
Are insiders buying AB stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 AB insider filed 1 sale worth $186K on SEC Form 4, and no open-market purchases.
Which hedge funds own AB?
10 13F filers hold AB among their 50 largest positions, worth $21.5M combined. The biggest bets by portfolio weight are Four Tree Island Advisory LLC (2.4%), Parrish Capital LLC (1.8%) and Chelsea Counsel Co (1.4%). In their latest 13Fs, 0 managers opened a new position and 2 added to one.
Has Congress traded AB?
Members of Congress have disclosed 3 AB trades since 2020, 3 purchases and 0 sales in the past year; the latest was Nancy Pelosi (D-CA), buying $500K–1M on Feb 23, 2021.
Who is the largest holder of AB?
Among 13F filers, Four Tree Island Advisory LLC reports the largest AB position, $7.3M (207,571 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Four Tree Island Advisory LLC's: 2.4% of its portfolio.
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