Morgan Stanley Institutional Investment Advisors LLC — 13F Holdings & Portfolio

CIK 2026079 · latest 13F-HR filed 2026-05-14

Morgan Stanley Institutional Investment Advisors LLC manages $1.04B in 13F-reported U.S. long-equity assets across 5 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are ENB (38.82%), WM (32.77%), NHC (16.00%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 0 new positions, exited 0, added to 4, and trimmed 0.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM

$1.04B

Long-equity book

Holdings

5

Distinct positions

Period

2026-03-31

Filed 2026-05-14

Q/Q Activity

+0 / −0 / ↑4 / ↓0

vs 2025-12-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • Enbridge Inc$37.2M +10.2%
  • Oceaneering$27.6M +29.1%
  • National Health Care$23.5M +16.5%
  • National Health Investors$334.9K +5.7%
Show all 4

Top Trims

  • No decreased positions.
Show all 0

New Positions

  • No new positions this quarter.
Show all 0

Exited Positions

  • No exits this quarter.
Show all 0
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 Enbridge Inc ENB 29250N105 $402.6M 38.82% 7,437,023 SH
2 Waste Management, Inc WM 94106L109 $339.9M 32.77% 1,479,273 SH
3 National Health Care NHC 635906100 $165.9M 16.00% 1,038,804 SH
4 Oceaneering OII 675232102 $122.5M 11.81% 3,453,005 SH
5 National Health Investors NHI 63633D104 $6.2M 0.60% 76,893 SH
Filing History
Period Filed AUM Holdings Accession
2026-03-31 2026-05-14 $1.04B 5 0002026079-26-000004
2025-12-31 2026-02-13 $946.0M 5 0002026079-26-000001
2025-09-30 2025-11-13 $832.0M 3 0002026079-25-000005