Stock ownership · SEC 13F · Q1 2025

AIR TRANS SVCS GROUP INC COM

Institutional ownership of AIR TRANS SVCS GROUP INC COM (CUSIP 00922R105) - who holds it, how concentrated it is, and what moved last quarter.

$2.6M
Reported value
3
Institutions
100%
Top-5 share

The verdict

3 institutions report $2.6M of AIR TRANS SVCS GROUP INC COM positions as of Q1 2025, with ownership heavily concentrated in a handful of holders.

3
institutions hold it
$2.6M
reported 13F value
100%
held by top 5

Based on long positions reported to the SEC as of Q1 2025; 13F omits shorts, options and non-US holdings.

How 13F ownership is computed · All tracked stocks · Concentration rankings

SEC Form 13F-HR ownership desk

CUSIP 00922R105 · Q1 2025 $3M reported

VALUE-TRACE · HOLDERS-FOCUS · CONC-DOM · PHOTO-UNK · ACTIVITY-MID · BOOK-SHORT

  • VALUE-TRACE $2.6M
  • HOLDERS-FOCUS 3 filers
  • CONC-DOM 100% top-5
  • PHOTO-UNK No peer
  • ACTIVITY-MID 3 new
  • BOOK-SHORT 3Q history

Read with: Ownership concentration guide - AIR TRANS SVCS GROUP INC COM's top-five holders account for 100% of reported value — read concentration before treating any single filer as a signal.

Largest institutional holders of AIR TRANS SVCS GROUP INC COM
  1. 1
    RHUMBLINE ADVISERS $1.8M
  2. 2
    STRS OHIO $747K
  3. 3
    JONES FINANCIAL COMPANIES LLLP $5K

Top 3 reported holders by value · Q1 2025

Top Institutional Holders

# Institution Shares Value Share of reported
1 RHUMBLINE ADVISERS 80,948 $1.8M 70.7%
2 STRS OHIO 33,300 $747K 29.1%
3 JONES FINANCIAL COMPANIES LLLP 232 $5K 0.2%

Investment Discretion

SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among AIR TRANS SVCS GROUP INC COM's reported holders for Q1 2025, by reported value:

Sole discretion (SOLE)
100.0%

Latest Quarter Activity · Q1 2025

New positions (3)

RHUMBLINE ADVISERS $1.8M
STRS OHIO $747K
JONES FINANCIAL COMPANIES LLLP $5K

Complete exits (2)

Polar Asset Management Partners Inc. exited
Pullen Investment Management, LLC exited

Frequently Asked Questions

How many institutions hold AIR TRANS SVCS GROUP INC COM?▼
AIR TRANS SVCS GROUP INC COM is held by 3 institutional investors per the latest SEC Form 13F filings as of Q1 2025.
What is the total institutional value of AIR TRANS SVCS GROUP INC COM?▼
Institutions report $2.6M of AIR TRANS SVCS GROUP INC COM as of Q1 2025.
How concentrated is ownership of AIR TRANS SVCS GROUP INC COM?▼
The top five institutional holders account for 100% of the reported institutional value in AIR TRANS SVCS GROUP INC COM, making ownership heavily concentrated in a handful of holders.
Who is the largest institutional holder of AIR TRANS SVCS GROUP INC COM?▼
RHUMBLINE ADVISERS is the largest reported holder of AIR TRANS SVCS GROUP INC COM with $1.8M across 80,948 shares as of Q1 2025.

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q1 2025 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.

PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-16.