Westinghouse Air Brake Technologies Corporation (WAB) Ownership
WAB ownership summary
as of October 18, 2026- Institutions
- 95.6% of shares outstanding
- Insiders
- 0.70% of shares outstanding
- Shares outstanding
- 168.9M
- Float
- 166.8M shares available to trade
- Short interest
- 2.71% 3.5M shares short
- Days to cover
- 4.44 short interest up 6.4% vs prior month
- Institutions 95.58%
- Insiders 0.70%
- Other investors 3.72%
WAB top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | FMR Inc | 12.66% | 21.4M | $6.13B | +1.7M (+8.4%) | June 30, 2026 |
| 2 | BlackRock Inc | 8.22% | 13.9M | $3.98B | +137,300 (+1.0%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 6.56% | 11.1M | $3.18B | +2,307 (+0.0%) | June 30, 2026 |
| 4 | State Street Corp | 4.68% | 7.9M | $2.27B | +164,806 (+2.1%) | June 30, 2026 |
| 5 | T. Rowe Price Associates, Inc. | 4.30% | 7.3M | $2.09B | −731,761 (−9.1%) | June 30, 2026 |
| 6 | Vanguard Portfolio Management, LLC | 4.25% | 7.2M | $2.06B | +12,783 (+0.2%) | June 30, 2026 |
| 7 | Geode Capital Management, LLC | 2.68% | 4.5M | $1.30B | −34,520 (−0.8%) | June 30, 2026 |
| 8 | Fidelity International Ltd | 2.09% | 3.5M | $1.01B | +24,892 (+0.7%) | June 30, 2026 |
| 9 | Nordea Investment Mgmt Bank Demark A/s | 1.83% | 3.1M | $887.2M | −462,670 (−13.0%) | June 30, 2026 |
| 10 | Amvescap Plc. | 1.65% | 2.8M | $801.6M | +662,859 (+31.1%) | June 30, 2026 |
| 11 | Morgan Stanley - Brokerage Accounts | 1.47% | 2.5M | $714.5M | +28,409 (+1.2%) | June 30, 2026 |
| 12 | Select Equity Group LP | 1.43% | 2.4M | $694.5M | −502,091 (−17.2%) | June 30, 2026 |
| 13 | Boston Partners Global Investors, Inc | 1.20% | 2.0M | $579.1M | +62,716 (+3.2%) | June 30, 2026 |
| 14 | NORGES BANK | 1.12% | 1.9M | $544.0M | −19,561 (−1.0%) | June 30, 2026 |
| 15 | Northern Trust Corp | 1.02% | 1.7M | $496.5M | +5,992 (+0.3%) | June 30, 2026 |
| 16 | Dimensional Fund Advisors, Inc. | 1.01% | 1.7M | $491.7M | −11,088 (−0.6%) | June 30, 2026 |
| 17 | Wellington Management Company LLP | 0.99% | 1.7M | $479.1M | −839,436 (−33.4%) | June 30, 2026 |
| 18 | Amundi | 0.94% | 1.6M | $453.4M | +482,323 (+43.9%) | June 30, 2026 |
| 19 | JPMorgan Chase & Co | 0.90% | 1.5M | $436.0M | +138,668 (+10.0%) | June 30, 2026 |
| 20 | Massachusetts Financial Services Company | 0.85% | 1.4M | $409.8M | −188,006 (−11.6%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 3.4M shares and 8 cut 2.8M.
WAB top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 3.19% | 5.4M | $1.55B | −10,816 (−0.2%) | August 31, 2026 |
| 2 | Vanguard 500 Index Investor | 2.63% | 4.4M | $1.27B | −71,240 (−1.6%) | September 30, 2026 |
| 3 | Vanguard MStar Mid Cap Index Instl | 2.03% | 3.4M | $985.5M | −234,128 (−6.4%) | September 30, 2026 |
| 4 | Fidelity Contrafund | 2.01% | 3.4M | $973.3M | −86,419 (−2.5%) | August 31, 2026 |
| 5 | iShares Core S&P 500 ETF | 1.33% | 2.3M | $645.6M | −3,626 (−0.2%) | September 30, 2026 |
| 6 | Fidelity 500 Index | 1.30% | 2.2M | $631.7M | +8,459 (+0.4%) | August 31, 2026 |
| 7 | T. Rowe Price Value | 1.30% | 2.2M | $630.4M | — | September 30, 2026 |
| 8 | State Street® SPDR® S&P 500® ETF | 1.22% | 2.1M | $592.9M | — | September 30, 2026 |
| 9 | Strategic Advisers Fidelity US TtlStk | 0.95% | 1.6M | $462.6M | −48,256 (−2.9%) | August 31, 2026 |
| 10 | Fidelity Magellan | 0.95% | 1.6M | $462.3M | −176,000 (−9.8%) | August 31, 2026 |
| 11 | Vanguard MStar Value Index Investor | 0.91% | 1.5M | $438.4M | −92,372 (−5.7%) | September 30, 2026 |
| 12 | Fidelity Greater Canada Sr F | 0.62% | 1.1M | $301.2M | — | June 30, 2026 |
| 13 | Vanguard MStar Mid Cap Value ETF | 0.59% | 1.0M | $287.4M | −96,635 (−8.8%) | September 30, 2026 |
| 14 | State Street® IndstrlSelSectSPDR®ETF | 0.56% | 948K | $272.0M | −1,064 (−0.1%) | September 30, 2026 |
| 15 | Vanguard Institutional Index I | 0.53% | 893K | $256.2M | −14,171 (−1.6%) | September 30, 2026 |
| 16 | Fidelity Series Stk Selec Lg Cp Val | 0.50% | 851K | $244.2M | −19,500 (−2.2%) | August 31, 2026 |
| 17 | Fidelity Global Small Cap Opps F | 0.47% | 798K | $228.8M | +5,000 (+0.6%) | June 30, 2026 |
| 18 | Nordea 1 - Global Climate & Envir BI EUR | 0.46% | 769K | $220.5M | −5,748 (−0.7%) | September 30, 2026 |
| 19 | Fidelity Contrafund K6 | 0.43% | 731K | $209.6M | −19,238 (−2.6%) | August 31, 2026 |
| 20 | Fidelity Puritan | 0.43% | 718K | $206.0M | +109,700 (+18.0%) | July 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
WAB insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-14 | Rafael Santana | Sell | $268.89 | 60,852 | $16.4M |
| 2026-04-07 | Rick Larsen | Buy | $255.96 | — | — |
| 2026-03-12 | Gina Trombley | Sell | $241.87 | 4,013 | $970,624 |
| 2026-03-09 | Rafael Santana | Sell | $243.10 | 1,163 | $282,725 |
| 2026-02-26 | Sameer Gaur | Sell | $262.62 | 1,150 | $302,013 |
| 2026-02-25 | Nalin Jain | Sell | $264.09 | 7,936 | $2.1M |
| 2026-02-24 | John A Olin | Sell | $263.30 | 11,000 | $2.9M |
| 2026-02-20 | Rogerio Mendonca | Sell | $264.21 | 3,500 | $924,735 |
| 2026-02-19 | Gregory Sbrocco | Sell | $258.43 | 952 | $246,025 |
| 2026-02-10 | Rafael Santana | Sell | $245.71 | 1,798 | $441,787 |
| 2026-01-30 | April McClain Delaney | Sell | $230.01 | — | — |
| 2026-01-22 | April McClain Delaney | Sell | $233.54 | — | — |
| 2026-01-14 | April McClain Delaney | Sell | $226.77 | — | — |
| 2025-12-17 | Rafael Santana | Sell | $212.17 | 1,798 | $381,482 |
| 2025-12-12 | Michael Fetsko | Sell | $215.72 | 5,058 | $1.1M |
| 2025-12-04 | David L Deninno | Sell | $214.62 | 5,000 | $1.1M |
| 2025-12-04 | Rogerio Mendonca | Sell | $214.51 | 2,019 | $433,096 |
| 2025-11-12 | David L Deninno | Sell | $209.94 | 5,000 | $1.0M |
| 2025-11-12 | John A Mastalerz Jr | Sell | $210.00 | 2,766 | $580,860 |
| 2025-11-11 | Pascal Schweitzer | Sell | $208.07 | 3,000 | $624,210 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
WAB shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns WAB
Institutional investors own 95.6% of Wabtec's shares and insiders 0.70%. The largest holder is FMR Inc with 12.66% of the shares (21.4M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 8 reduced their stake in the latest filings. Short interest is 2.71% of the float, or 4.44 days of average trading volume. The share count rose 76.2% since 2014.
Related: WAB analyst forecast, WAB key metrics, WAB dividend history. See the WAB stock overview for the latest quote and news.
WAB ownership FAQ
Who owns the most Wabtec stock?
The largest shareholders of Wabtec are FMR Inc (12.66%), BlackRock Inc (8.22%), Vanguard Capital Management, LLC (6.56%), State Street Corp (4.68%), T. Rowe Price Associates, Inc. (4.30%).
What percentage of Wabtec is owned by institutions?
Institutions hold 95.6% of Wabtec's shares outstanding; insiders hold 0.70%.
Which funds own Wabtec?
The largest fund holders of Wabtec are Vanguard MStar Total Stk Mkt Idx Invest (3.19%), Vanguard 500 Index Investor (2.63%), Vanguard MStar Mid Cap Index Instl (2.03%), Fidelity Contrafund (2.01%), iShares Core S&P 500 ETF (1.33%).
What is Wabtec's short interest?
3.5M shares of Wabtec were sold short, 2.71% of the float; at the average daily volume it would take 4.44 days to cover.
Are insiders buying or selling Wabtec?
Of the latest 20 reported insider transactions in Wabtec (since November 11, 2025), 1 were purchases and 19 were sales.
How many shares of Wabtec are outstanding?
Wabtec has 168.9M shares outstanding, of which 166.8M are in the public float.