Morgan Stanley Institutional Investment Advisors LLC

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 13, 2026), Morgan Stanley Institutional Investment Advisors LLC reported 5 stock positions worth $1.1 billion. Its top holding was Enbridge (ENB) at 37.4% of the portfolio, followed by Waste Management (WM, 30.1%) and National Healthcare (NHC, 20.3%). Compared with Q1 2026, it added to 1 and reduced 4. The biggest buy was Natl Health Investors (NHI, shares +1%) and the biggest sale Waste Management (WM, shares −2%).

Most Recent 13F
Q2 2026
Location
GREENWOOD VILLAGE, CO
CIK
0002026079
Portfolio Value
$1.1B (Q2 2026)
SEC Filing
0002026079-26-000005 ↗ filed Aug 13, 2026

Holdings Value

0$500.0M$1.0B$1.5B Q2 2024: $312.3M Q2 2024 Q3 2024: $445.1M Q3 2024 Q4 2024: $436.8M Q4 2024 Q1 2025: $426.2M Q1 2025 Q2 2025: $808.4M Q2 2025 Q3 2025: $832.0M Q3 2025 Q4 2025: $946.0M Q4 2025 Q1 2026: $1.0B Q1 2026 Q2 2026: $1.1B $1.1B Q2 2026

Holdings 5 stocks · $1.1B

ENB Enbridge Inc. 37.41% 7,388,875 $400.6M Reduce -0.7%
WM Waste Management Inc. 30.12% 1,446,874 $322.5M Reduce -2.2%
NHC National Healthcare Corp. 20.31% 1,028,534 $217.4M Reduce -1.0%
OII Oceaneering Intl Inc. 11.60% 3,066,015 $124.2M Reduce -11.2%
NHI Natl Health Investors Inc. filed as NATIONAL HEALTH INVS INC 0.56% 77,934 $5.9M Add +1.4%

Portfolio Sells Q1 2026 → Q2 2026

WM Waste Management Inc. Reduce -2.2% 30.12% −2.65
ENB Enbridge Inc. Reduce -0.7% 37.41% −1.41
OII Oceaneering Intl Inc. Reduce -11.2% 11.60% −0.20
NHC National Healthcare Corp. Reduce -1.0% 20.31% +4.31

Portfolio Buys Q1 2026 → Q2 2026

NHI Natl Health Investors Inc. Add +1.4% 0.56% −0.04

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 5$1.1BENB, WM, NHC, OII, NHI
Q1 2026 5$1.0BENB, WM, NHC, OII, NHI
Q4 2025 5$946.0MENB, WM, NHC, OII, NHI
Q3 2025 3$832.0MENB, WM, NHC
Q2 2025 3$808.4MWM, ENB, NHC
Q1 2025 3$426.2MENB, NHC, EXE
Q4 2024 3$436.8MENB, NHC, SWN
Q3 2024 3$445.1MENB, NHC, SWN
Q2 2024 2$312.3MENB, SWN