# API GROUP CORP COM STK

API GROUP CORP COM STK is a security (CUSIP 00187Y100) tracked across SEC portfolio filings. 594 institutional managers reported $12.4B on Form 13F as of 2026-06-30; 56 registered fund positions totaling $1.8B via N-PORT as of 2026-05-31.

## Summary

- Issuer: API GROUP CORP
- Class: COM STK
- CUSIP: 00187Y100
- Asset category: EC
- 13F holders: 594
- 13F value: $12.4B
- 13F period: 2026-06-30
- N-PORT fund positions: 56
- N-PORT value: $1.8B
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 594 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $1.4B | 34,354,093 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $1.3B | 34,794,791 |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $946.8M | 23,367,041 |
| Durable Capital Partners LP | Bethesda, MD | $598.7M | 14,775,236 |
| STATE STREET CORP | BOSTON, MA | $455.7M | 11,245,454 |
| Pictet Asset Management Holding SA | CAROUGE, V8 | $436.2M | 10,303,294 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $332.7M | 8,208,479 |
| [Artisan Partners Limited Partnership](https://search.stillhousedata.com/firm/150114) | Milwaukee, WI | $257.2M | 6,347,427 |
| Findlay Park Partners LLP | LONDON, X0 | $242.4M | 5,981,698 |
| [VIKING GLOBAL INVESTORS LP](https://search.stillhousedata.com/firm/132272) | STAMFORD, CT | $236.5M | 5,837,000 |
| FMR LLC | BOSTON, MA | $204.6M | 5,048,812 |
| [WESTFIELD CAPITAL MANAGEMENT CO LP](https://search.stillhousedata.com/firm/146990) | BOSTON, MA | $187.8M | 4,634,929 |
| Capital Research Global Investors | Los Angeles, CA | $186.1M | 4,592,561 |
| [MONTRUSCO BOLTON INVESTMENTS INC.](https://search.stillhousedata.com/firm/154475) | MONTREAL, A8 | $171.6M | 4,051,726 |
| Allspring Global Investments Holdings, LLC | CHARLOTTE, NC | $153.6M | 3,698,161 |

## Top fund holders (N-PORT)

_Showing 15 of 56 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $468.7M | 193.55% |
| [T. Rowe Price Mid-Cap Value Fund, Inc.](https://search.stillhousedata.com/fund/S000002103) | T. ROWE PRICE MID-CAP VALUE FUND, INC. | $190.9M | 129.17% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $173.5M | 21.28% |
| [Growth Fund of America](https://search.stillhousedata.com/fund/S000009228) | Growth Fund of America | $110.0M | 3.05% |
| [T. Rowe Price Mid-Cap Growth Fund, Inc.](https://search.stillhousedata.com/fund/S000002102) | T. ROWE PRICE MID-CAP GROWTH FUND, INC. | $109.7M | 48.68% |
| [AMCAP Fund](https://search.stillhousedata.com/fund/S000008817) | AMCAP Fund | $104.0M | 10.70% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $101.4M | 46.59% |
| [T. Rowe Price Small-Cap Stock Fund, Inc.](https://search.stillhousedata.com/fund/S000002120) | T. ROWE PRICE SMALL-CAP STOCK FUND, INC. | $96.5M | 119.52% |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $91.8M | 71.88% |
| [SMALLCAP World Fund Inc](https://search.stillhousedata.com/fund/S000009599) | SMALLCAP World Fund Inc | $55.2M | 6.81% |
| [T. Rowe Price Institutional Small-Cap Stock Fund](https://search.stillhousedata.com/fund/S000002094) | T. Rowe Price Equity Funds, Inc. | $51.0M | 117.72% |
| [Fidelity Contrafund](https://search.stillhousedata.com/fund/S000006037) | Fidelity Contrafund | $49.1M | 3.11% |
| [Fidelity Leveraged Company Stock Fund](https://search.stillhousedata.com/fund/S000007200) | Fidelity Securities Fund | $30.4M | 73.76% |
| ROYCE SMALL-CAP TRUST, INC. | ROYCE SMALL-CAP TRUST, INC. | $26.9M | 120.47% |
| [AB DISCOVERY GROWTH FUND, INC.](https://search.stillhousedata.com/fund/S000010117) | AB DISCOVERY GROWTH FUND, INC. | $20.3M | 75.54% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/00187Y100.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.