Who owns AS (AS)
Which tracked institutional funds hold AS, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See AS company fundamentals →
Ownership as of the 2026-Q1 13F filings. 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
101 tracked funds added or opened AS while 111 trimmed or exited it between 2025-Q4 and 2026-Q1 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
AS’s largest tracked holder by dollar value, FountainVest China Capital Partners GP3 Ltd., sizes it at 93.5% of its own reported 13F book, while the median holder sizes it at 0.2% of theirs — a 93.3pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in AS divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2025-Q4 and 2026-Q1, across 341 tracked filers holding AS, 211 increased or opened the position and 159 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in AS between the 2025-Q4 and 2026-Q1 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 48
- WESTFIELD CAPITAL MANAGEMENT CO LP$130M
- CI INVESTMENTS INC.$56M
- WELLINGTON MANAGEMENT GROUP LLP$52M
- TORONTO DOMINION BANK$49M
- Anomaly Capital Management, LP$42M
- Allianz Asset Management GmbH$31M
Full exits 29
- ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$78M
- VANGUARD GROUP INC$13M
- GAM Holding AG$10M
- ADAGE CAPITAL PARTNERS GP, L.L.C.$9M
- Y-Intercept (Hong Kong) Ltd$7M
- Hood River Capital Management LLC$7M
Largest adds
- Point72 Asset Management, L.P.$258M
- BALYASNY ASSET MANAGEMENT L.P.$78M
- MARSHALL WACE, LLP$77M
- JANE STREET GROUP, LLC$74M
- VIKING GLOBAL INVESTORS LP$60M
- CITADEL ADVISORS LLC$40M
Largest trims
- FountainVest China Capital Partners GP3 Ltd.$151M
- D. E. Shaw & Co., Inc.$127M
- Divisadero Street Capital Management, LP$83M
- BRILLIANCE ASSET MANAGEMENT LTD$72M
- NORGES BANK$63M
- Squarepoint Ops LLC$55M
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| FountainVest China Capital Partners GP3 Ltd. | 34,099,348 | $1.1B | 16.0% | 2026-Q1 |
| FMR LLC added | 25,050,039 | $825M | 11.8% | 2026-Q1 |
| Point72 Asset Management, L.P. added | 9,913,351 | $326M | 4.7% | 2026-Q1 |
| Aspex Management (HK) Ltd added | 8,268,605 | $272M | 3.9% | 2026-Q1 |
| VIKING GLOBAL INVESTORS LP added | 7,270,476 | $239M | 3.4% | 2026-Q1 |
| D. E. Shaw & Co., Inc. trimmed | 5,934,611 | $195M | 2.8% | 2026-Q1 |
| MARSHALL WACE, LLP added | 4,927,555 | $162M | 2.3% | 2026-Q1 |
| Artisan Partners Limited Partnership trimmed | 4,738,498 | $156M | 2.2% | 2026-Q1 |
| Avala Global LP trimmed | 4,355,512 | $143M | 2.0% | 2026-Q1 |
| BALYASNY ASSET MANAGEMENT L.P. added | 4,001,330 | $132M | 1.9% | 2026-Q1 |
| WESTFIELD CAPITAL MANAGEMENT CO LP new | 3,937,521 | $130M | 1.9% | 2026-Q1 |
| BlackRock, Inc. added | 3,707,707 | $122M | 1.7% | 2026-Q1 |
| Temasek Holdings (Private) Ltd added | 3,665,157 | $121M | 1.7% | 2026-Q1 |
| BROWN ADVISORY INC added | 3,565,934 | $117M | 1.7% | 2026-Q1 |
| MORGAN STANLEY trimmed | 3,429,284 | $113M | 1.6% | 2026-Q1 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ trimmed | 2,961,303 | $97M | 1.4% | 2026-Q1 |
| BANK OF AMERICA CORP /DE/ trimmed | 2,573,787 | $85M | 1.2% | 2026-Q1 |
| DEUTSCHE BANK AG\ added | 2,455,902 | $81M | 1.2% | 2026-Q1 |
| JANE STREET GROUP, LLC added | 2,424,370 | $80M | 1.1% | 2026-Q1 |
| ALLIANCEBERNSTEIN L.P. trimmed | 2,117,127 | $79M | 1.1% | 2026-Q1 |
| WT Asset Management Ltd trimmed | 1,928,729 | $63M | 0.9% | 2026-Q1 |
| GOLDMAN SACHS GROUP INC added | 1,833,169 | $60M | 0.9% | 2026-Q1 |
| Woodson Capital Management, LP added | 1,825,000 | $60M | 0.9% | 2026-Q1 |
| STATE STREET CORP added | 1,705,524 | $56M | 0.8% | 2026-Q1 |
| CI INVESTMENTS INC. added | 1,704,951 | $56M | 0.8% | 2026-Q1 |
| WELLINGTON MANAGEMENT GROUP LLP added | 1,589,771 | $52M | 0.7% | 2026-Q1 |
| Hook Mill Capital Partners, LP added | 1,535,970 | $51M | 0.7% | 2026-Q1 |
| BANK OF NOVA SCOTIA trimmed | 1,482,800 | $49M | 0.7% | 2026-Q1 |
| TORONTO DOMINION BANK added | 1,475,012 | $49M | 0.7% | 2026-Q1 |
| UBS Group AG added | 1,347,408 | $44M | 0.6% | 2026-Q1 |
| Senator Investment Group LP added | 1,301,000 | $43M | 0.6% | 2026-Q1 |
| Qube Research & Technologies Ltd trimmed | 1,292,591 | $43M | 0.6% | 2026-Q1 |
| Anomaly Capital Management, LP trimmed | 1,278,424 | $42M | 0.6% | 2026-Q1 |
| CITADEL ADVISORS LLC added | 1,276,184 | $42M | 0.6% | 2026-Q1 |
| SEI INVESTMENTS CO trimmed | 1,244,905 | $41M | 0.6% | 2026-Q1 |
| Woodline Partners LP added | 1,234,899 | $41M | 0.6% | 2026-Q1 |
| Ghisallo Capital Management LLC added | 1,200,000 | $40M | 0.6% | 2026-Q1 |
| Gotham Asset Management, LLC added | 1,056,807 | $35M | 0.5% | 2026-Q1 |
| BRILLIANCE ASSET MANAGEMENT LTD trimmed | 1,000,334 | $33M | 0.5% | 2026-Q1 |
| Allianz Asset Management GmbH new | 934,410 | $31M | 0.4% | 2026-Q1 |
| MILLENNIUM MANAGEMENT LLC added | 925,237 | $30M | 0.4% | 2026-Q1 |
| Vident Advisory, LLC added | 915,288 | $30M | 0.4% | 2026-Q1 |
| BNP PARIBAS FINANCIAL MARKETS trimmed | 898,876 | $30M | 0.4% | 2026-Q1 |
| Man Group plc added | 887,515 | $29M | 0.4% | 2026-Q1 |
| Pictet Asset Management Holding SA trimmed | 882,093 | $29M | 0.4% | 2026-Q1 |
| Engineers Gate Manager LP added | 861,844 | $28M | 0.4% | 2026-Q1 |
| FIL Ltd added | 859,594 | $28M | 0.4% | 2026-Q1 |
| AMERIPRISE FINANCIAL INC added | 852,172 | $28M | 0.4% | 2026-Q1 |
| Shellback Capital, LP trimmed | 830,000 | $27M | 0.4% | 2026-Q1 |
| Interval Partners, LP trimmed | 819,990 | $27M | 0.4% | 2026-Q1 |
| Allspring Global Investments Holdings, LLC added | 782,371 | $26M | 0.4% | 2026-Q1 |
| RENAISSANCE TECHNOLOGIES LLC trimmed | 792,845 | $26M | 0.4% | 2026-Q1 |
| Freestone Grove Partners LP added | 782,454 | $26M | 0.4% | 2026-Q1 |
| GEODE CAPITAL MANAGEMENT, LLC added | 761,053 | $25M | 0.4% | 2026-Q1 |
| BWCP, LP new | 731,372 | $24M | 0.3% | 2026-Q1 |
| Longaeva Partners L.P. added | 698,513 | $23M | 0.3% | 2026-Q1 |
| MANE GLOBAL CAPITAL MANAGEMENT LP trimmed | 677,529 | $22M | 0.3% | 2026-Q1 |
| Nuveen, LLC added | 636,139 | $21M | 0.3% | 2026-Q1 |
| Amundi added | 611,820 | $20M | 0.3% | 2026-Q1 |
| Squarepoint Ops LLC trimmed | 585,551 | $19M | 0.3% | 2026-Q1 |
| LOS ANGELES CAPITAL MANAGEMENT LLC added | 574,165 | $19M | 0.3% | 2026-Q1 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND trimmed | 536,201 | $18M | 0.3% | 2026-Q1 |
| SG Americas Securities, LLC added | 530,550 | $17M | 0.2% | 2026-Q1 |
| True Light Capital Pte. Ltd. added | 457,150 | $15M | 0.2% | 2026-Q1 |
| Junto Capital Management LP trimmed | 453,309 | $15M | 0.2% | 2026-Q1 |
| Broad Peak Investment Advisers Pte Ltd new | 418,000 | $14M | 0.2% | 2026-Q1 |
| SEVEN GRAND MANAGERS, LLC added | 400,000 | $13M | 0.2% | 2026-Q1 |
| JPMORGAN CHASE & CO trimmed | 412,917 | $13M | 0.2% | 2026-Q1 |
| ENVESTNET ASSET MANAGEMENT INC trimmed | 381,261 | $13M | 0.2% | 2026-Q1 |
| PRICE T ROWE ASSOCIATES INC /MD/ trimmed | 379,228 | $12M | 0.2% | 2026-Q1 |
| Verition Fund Management LLC trimmed | 370,545 | $12M | 0.2% | 2026-Q1 |
| BOOTHBAY FUND MANAGEMENT, LLC added | 370,175 | $12M | 0.2% | 2026-Q1 |
| Portolan Capital Management, LLC new | 357,826 | $12M | 0.2% | 2026-Q1 |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC trimmed | 350,000 | $12M | 0.2% | 2026-Q1 |
| OCCUDO QUANTITATIVE STRATEGIES LP added | 295,947 | $10M | 0.1% | 2026-Q1 |
| OVERSEA-CHINESE BANKING Corp Ltd added | 314,761 | $10M | 0.1% | 2026-Q1 |
| AGF MANAGEMENT LTD added | 313,822 | $10M | 0.1% | 2026-Q1 |
| Bank of New York Mellon Corp trimmed | 312,853 | $10M | 0.1% | 2026-Q1 |
| Waratah Capital Advisors Ltd. new | 312,511 | $10M | 0.1% | 2026-Q1 |
| Bridgewater Associates, LP added | 300,723 | $10M | 0.1% | 2026-Q1 |
| Eleva Capital SAS added | 298,802 | $10M | 0.1% | 2026-Q1 |
| Divisadero Street Capital Management, LP trimmed | 292,784 | $10M | 0.1% | 2026-Q1 |
| Candlestick Capital Management LP added | 3,568,381 | $124M | 1.8% | 2025-Q3 stale |
| Trivest Advisors Ltd trimmed | 2,070,000 | $80M | 1.1% | 2025-Q2 stale |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added | 2,093,386 | $78M | 1.1% | 2025-Q4 stale |
| SAMLYN CAPITAL, LLC added | 2,193,989 | $76M | 1.1% | 2025-Q3 stale |
| Point72 Hong Kong Ltd added | 1,823,422 | $63M | 0.9% | 2025-Q3 stale |
| Oxbow Capital Management (HK) Ltd trimmed | 1,170,000 | $41M | 0.6% | 2025-Q3 stale |
| Evergreen Quality Fund GP, Ltd. new | 937,658 | $33M | 0.5% | 2025-Q3 stale |
| O'Neil Global Advisors, Inc. new | 662,424 | $26M | 0.4% | 2025-Q2 stale |
| Tiger Pacific Capital LP trimmed | 589,770 | $20M | 0.3% | 2025-Q3 stale |
| Perseverance Asset Management International trimmed | 543,404 | $19M | 0.3% | 2025-Q3 stale |
| KADENSA CAPITAL Ltd added | 577,988 | $15M | 0.2% | 2025-Q1 stale |
| Monolith Management Ltd added | 550,353 | $15M | 0.2% | 2025-Q1 stale |
| Annex Advisory Services, LLC added | 420,643 | $15M | 0.2% | 2025-Q3 stale |
| Virtus Wealth Solutions LLC new | 375,391 | $15M | 0.2% | 2025-Q2 stale |
| Cubist Systematic Strategies, LLC trimmed | 408,973 | $14M | 0.2% | 2025-Q3 stale |
| VANGUARD GROUP INC trimmed | 346,576 | $13M | 0.2% | 2025-Q4 stale |
| NOMURA HOLDINGS INC new | 320,523 | $11M | 0.2% | 2025-Q3 stale |
| GAM Holding AG trimmed | 268,800 | $10M | 0.1% | 2025-Q4 stale |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.