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Trustees of Columbia University in the City of New York

RIA/Wealth

Trustees of Columbia University in the City of New York is a RIA/Wealth based in Cincinnati, OH led by Michael Winston Bain, managing $655.3M across 8 long positions as of Q3 2025 with 100% ETF concentration, with only 8 positions, and 100% allocation to SPY.

CCOMichael Winston Bain
Portfolio Value
$655.3M
Positions
8
Top Holding
SPY at 99.69%
Last Reported
Q3 2025
Address1248 Springfield Pike, Na, Cincinnati, OH, 45215-2142, United States

Top Holdings

Largest long holdings in Trustees of Columbia University in the City of New York's portfolio (100% of total portfolio)

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HoldingSectorPositionWeightTradedOwnership
ETF
ETF
$653.3M
99.69%
-$87.9M
Sold
980.6K shares
Biotechnology
Healthcare
$617.6K
0.09%
0.56%
47.9K shares
Biotechnology
Healthcare
$472.8K
0.07%
0.18%
291.8K shares
4
Q32 Bio logo
Biotechnology
Healthcare
$265.1K
0.04%
1.10%
133.9K shares
Biotechnology
Healthcare
$236.5K
0.04%
+$236.5K
Bought
0.06%
9.2K shares
Biotechnology
Healthcare
$223.9K
0.03%
-$24.4
Sold
0.07%
4.6K shares
Biotechnology
Healthcare
$210.4K
0.03%
0.48%
249.6K shares
8
SRZNW
Biotechnology
Healthcare
$517.0
0.00%
33.3K shares

Changes

Portfolio activity, position movements, and quarter-over-quarter changes in Trustees of Columbia University in the City of New York's latest filing

See all changes
Market Value
$655.3M
Prior: $690.9M
Q/Q Change
-5.16%
-$35.6M
Net Flows % of MV
-13.78%
Turnover Ratio
6.91%
New Purchases
0 stocks
-
Added To
0 stocks
+-
Sold Out Of
2 stocks
$2.4M
Reduced Holdings
2 stocks
-$87.9M

Increased Positions

PositionShares Δ
No increased positions

Decreased Positions

PositionShares Δ
Sold
Sold
-11.87%
-0.01%

Analytics

Portfolio insights and performance metrics for Trustees of Columbia University in the City of New York

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Sector Allocation

ETF: 99.70%ETFHealthcare: 0.30%
ETF
99.70%
Healthcare
0.30%

Market Cap Distribution

Small Cap ($300M - $2B): 0.07%Micro Cap ($50M - $300M): 0.17%Nano Cap (< $50M): 0.07%N/A (ETF or Unknown): 99.69%N/A (ETF or Unknown)
Small Cap ($300M - $2B)
0.07%
Micro Cap ($50M - $300M)
0.17%
Nano Cap (< $50M)
0.07%
N/A (ETF or Unknown)
99.69%

Portfolio Concentration

Top 10 Holdings %
100.0%
Top 20 Holdings %
100.0%
Top 50 Holdings %
100.0%
Top 100 Holdings %
100.0%

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